Antivirus: Most Popular Articles
Trojans are often used to launch Distributed Denial of Service (DDoS) attacks against targeted systems, but just what is a DDoS attack and how are they performed?
Getting stubborn adware and spyware off your PC can be frustrating. However, there are steps you can take to make the process easier and more effective.
Is Google Play Safe from Malware?
So-called cloud-based services like Evernote provide a convenient way of remotely storing data accessible from any Web-connected device. But that convenience may come with a price: increased risk of data and identity theft.
The best free antivirus software for Windows PCs. Here are my top picks and reviews of the best free antivirus software for Windows.
It's true - Mac viruses really do exist, although fewer viruses target the Mac OS compared to Windows. In addition, there are cross-platform threats that can impact Mac users. Though the risk of cross-platform threats is relatively small, it's a risk that is on the increase as attackers move to Java and other third-party software exploits. Fortunately, there are several excellent Mac antivirus offerings - and some are even free.
By modifying the HOSTS file, malware can block access to antivirus updates or force you to a malicious website. It's a good idea to check the HOSTS file periodically. Here's how to find - and edit - the HOSTS file on Windows 7, Vista, and XP.
Google Chrome and an untold number of other Google applications may install an update mechanism named googleupdate.exe, googleupdater.exe, or something similar. GoogleUpdate may continually attempt to access the Internet without requesting permission and without providing an option to disable it. This behavior may persist even after the parent application has been removed. While there's no single way to rid the system of googleupdate, the following tips provide the common install locations.
When it comes to IE, it seems everyone wants a piece of it. While legitimate toolbars and other browser helper objects (BHOs) are fine, some aren't so legit or - at least - their presence is questionable. Here's how to disable unwanted Add-ons in Internet Explorer.
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Malware often installs itself as a Windows service in order to load when Windows is started. This allows the malware to run and control designated functions without requiring user interaction. Sometimes, antivirus software removes the malware but leaves the service settings behind. Whether cleaning up after an antivirus removal, or attempting to remove the malware manually, knowing how to delete a service in Windows 7, Vista, or XP will help.
Cybercriminals have distributed the OSX/CoinThief malware that steals Mac users Bitcoins. The threat is disguised as various applications and games, including Angry Birds.
Do you really need Mac antivirus software? Get the answer to that and other frequently asked questions about Mac viruses and Macintosh antivirus software in the Mac Virus FAQs.
Just as the Internet makes it easier for legitimate pursuits, it also makes it easier for scammers, con artists, and other online miscreants to carry out their virtual crimes - impacting our real life finances, security, and peace of mind. These Internet scams are constantly evolving - here are the most common today.
Sophos Anti-Virus for Mac Home Edition offers business-grade protection free for home use. And the protection literally is business-grade - the free version is based on the same Mac virus scanner Sophos uses in their Endpoint Security line.
Lastline Labs, a cybersecurity research team (Engin Kirda, Christopher Kruegel, and Giovanni Vigna), conducted a research on Anti-virus technology and how they handle the latest malware threats.
The Windows autorun feature enables CDs to play automatically when inserted in the drive. Removable and thumb drives use the same autorun feature to load files when the drives are plugged into the USB port. Malware relies on this autorun feature to spread from thumb drive to PC. Here's how to disable the autorun feature to prevent malware from spreading.
What is a virus? In today's computing environment, a better question might be what is malware?
Learn about the top most dangerous malware and how to protect your PC from being infected.
The FBI Ransomware can take your PC hostage by forcing you to pay a ransom in order to free you computer. Avoid from becoming a victim and follow these step-by-step instructions for removing the FBI Virus.
Computer security need not be daunting. Here a few simply steps that will keep you computing more safely.
Seedabutor.B is a malicious drive-by download attack. Learn how to remove this malware.
A list of top antivirus software based on its virus detection abilities, features, and breadth of protection. All tests performed on Windows 7 (32-bit).
Passwords prevent unauthorized access to your computer. Setting login passwords is easy on Mac OS X 10.5 (Leopard) and 10.6 (Snow Leopard). Just follow the step-by-step instructions below.
Someone phones you claiming to be from Microsoft, or an antivirus company, or some random tech support facility. They claim their systems have detected that your computer is infected. And of course they are offering to help. So much so, that for just a one-time payment of X, they are willing to offer a full LIFETIME of guaranteed support.
All malware is bad, but some types of malware do more damage than others. That damage can range from loss of files to total loss of security. For details, see this list of the most damaging types of malware, including viruses, Trojans and more.
EICAR is not a virus. EICAR is a special file used to test antivirus software. Here's how to make an EICAR file to test your virus protection.
Older PCs and netbooks often have limited system resources available. Finding the right antivirus that won't slow down these older systems is key.
Logic bombs are malware that are executed in response to specific events. Learn more about logic bombs and how you can avoid this attack.
There is an easy way to prevent Adobe Reader and Acrobat from automatically rendering PDF files in your browser. Make this one small tweak, and henceforth you'll be notified if a website tries to open a PDF in your browser.
In the antivirus world, a signature is an algorithm or hash (a number derived from a string of text) that uniquely identifies a specific virus.
Look over the following examples of phishing scams to familiarize yourself with the clever techniques used.
A detailed explanation of malware, which includes viruses, trojan horses, logic bombs, spyware, worms, and rootkits.
Do you suspect your email account has been hacked? Can't login to your email account? Are you getting undeliverable and bounce messages for email you never sent? Are friends and family complaining of receiving email you never sent? Is it malware? A hacker? Here's how to tell.
Mobile devices are increasingly targeted by cyber criminals and malware. In addition, mobile devices are vulnerable to theft or loss, which can put you in danger as someone can access your personal information. For Android users, one of the best security applications is AVG AntiVirus FREE.
False positives can be an annoying problem and unfortunately false positives in antivirus scanners are being increasingly more common. Here's how to exclude a file or folder from scanning by Norton AntiVirus and Norton Internet Security.
The HOSTS file supersedes DNS for domain name to IP address resolution. Make sure you know what is in your HOSTS file; unwanted entries could be a sign of malware or other malicious intrusion. Here's how to check the HOSTS file on Mac OS X.
Firefox Redirect Virus causes unwanted results by redirecting your Internet searches. Follow these steps to help you remove the Firefox Redirect Virus.
An online virus scanner is not a substitute for installed antivirus, but can be helpful when you need a second opinion. An online virus scanner is also helpful when your existing antivirus is having trouble removing a particular malware. There are several online virus scanners from which to choose and many use the same antivirus engine of their installed counterparts.
A boot-sector virus takes control when the computer boots up. Here's how it works.
Free antivirus and antispyware software for Windows 7, Vista and Windows XP. Best free antivirus software to guard against viruses, trojans, worms, and spyware.
Trying to remove a computer virus or other malware infection can become a battle of wills between you and the attacker. Antivirus software can be a powerful ally, removing most of today's malware with ease. But occasionally, a really stubborn infector may put you at the forefront of the battle. Here's how to help you win.
This free cloud-based scanner takes all the processing off your PC, giving you a lighter, faster, and more proactive protection.
A list of free tools, tips, and tricks to get rid of viruses and keep them from getting back on your system.
By default, Mac OS X hides critical system files and folders. As malware threats against Mac users increase, or simply to assist with troubleshooting, it may be necessary to view hidden files and folders. Here's how to enable hidden file and folder viewing on Mac OS X.
Here's how to beef up your wireless safety by disabling automatic wireless connections.
Keeping safe online takes more than just installing a few security programs. To protect both you and your computer, here are the top ten bad habits you need to avoid.
DEP can cause conflicts with legitimate programs. If this happens to you, here's how to disable DEP for specific applications.
The 2011 Readers' Choice Awards are complete. You nominated. You voted. And now we've tallied those votes and are pleased to announce the winners for Best Antivirus for Windows, Best Antivirus for Mac, Best Internet Security Suite, and Best Free Antivirus.
Drive-by Downloads are malicious attacks that can infect your computer. Learn more about this threat.
AutoComplete not only makes it easier for you to automatically fill in forms and logon to secure sites - it also makes it easier for Trojans and hackers to gain access to your personal data and logon credentials. Here's how to clear the sensitive data stored by AutoComplete and how to disable the feature to protect yourself from compromise.
Spyware is a form of malware that can infect your computer and reconfigure your Internet browser settings by changing your home page and modifying your search results. Due to the seriousness of spyware and the harm it can do to your system and personal information, it is highly recommended you take the following measures to prevent spyware from overtaking your system.
McAfee has kicked off its annual list of the biggest cyber threats anticipated to take effect in 2014. The following are McAfee’s Top Cyber Threats for 2014:
You can have peace of mind while online with ESET Mobile Security. ESET’s proven NOD32 technology enables you to download apps that are safe and will discover potentially dangerous apps. The following Antivirus features are available with the free version of ESET Mobile Security.
Boot sector virus repair. Antivirus Software.
In its simplest form, a keylogger trojan is malicious, surreptitious software that monitors your keystrokes, logging them to a file and sending them off to remote attackers. Some keyloggers are sold as commercial software - the type a parent might use to record their children's online activities or a suspicious spouse might install to keep tabs on their partner.
Autorun worms spread from USB/thumb drives as well as fixed and mapped drives. Autorun worms typically drop or download additional malware, usually backdoors and password stealers. Here's how to remove an autorun worm.
One way to secure your identity and protect your device from malware attacks is by using a mobile security application. The following are some of the highest ranked Android security applications which are rated by Google Play users.
Learn about the dangers of Sirefef (ZeroAccess) Malware and how to prevent it.
When malware gets onto the system, one of the first things it may do is disable your antivirus scanner. It may also modify the HOSTS file to block access to antivirus update servers. Here's how to check for both.
ClamXav is based on the open source ClamAV virus scanner. Popular among open source fans, in practice ClamAV lags behind the detection capabilities of commercial antivirus software.
Hackers are becoming more of a threat than ever before. Within the past few months, we’ve seen big corporations such as Microsoft and eBay become victims of security breaches. With cybercrimes on the rise, this is a good time to strengthen your online security practices. Here are some tips that may help secure your digital life from cyber breaches and attacks.
Mac malware may load itself as a login startup item, thus manually removing malware on Mac OS X may require deleting that login startup item. Follow these steps to remove unwanted login apps in Mac OS X.
Malware can load from a variety of different places on your PC. In addition to the more common modifications to Windows auto start entry points, malware may leverage the shell open command. This allows it to register itself as the handler for certain file types and thus the virus, worm or Trojan loads when any of these file types are called.
AntiCMOS is a memory resident boot sector virus. The AntiCMOS virus infects DOS boot sectors.
One day, you're surfing the Internet just fine. The next day, Internet Explorer has slowed to a crawl. Sometimes, many web sites display
Firewalls are must-have protection, regardless of the operating system or hardware you choose. All versions of Mac OS X include a built-in firewall, but you will need to enable it or make a few tweaks for optimum security.
SmitFraudFix is a free antivirus tool that removes the Zlob downloader trojan and the rogue scanner software that Zlob typically installs.
Generally speaking, adware and spyware work hand-in-hand. Adware is a program that installs an additional component that feeds advertising, often by delivering pop-up ads or by installing a toolbar in your browser. Spyware surreptitiously monitors your computer and Internet use.
Hidden Administrator Apps. Antivirus Software.
Most online accounts include a 'secret' question to assist in password recovery, the correct answer to which is supposed to validate that you really are the legitimate owner of that account. The problem is, the 'secret' question is generally none too secret.
As their name suggests, file infectors infect executable type files, either inserting their code into some part of the original file so that it can be executed when the file is accessed, or overwriting the file entirely.
Windows users infected with a particular Trojan downloads ransomware that encrypts computer files and demands Bitcoin payment to decode the data.
McAfee and Intel have developed a comprehensive security solution called McAfee LiveSafe. McAfee LiveSafe gives you peace of mind by safeguarding your all of your devices, data, and identity while you stay connected. It delivers an expansive solution to security while providing a user-friendly Web-based dashboard that enables you to oversee security on all of your devices.
A buffer overrun attack occurs when a malicious user exploits an unchecked buffer in a program.
Choosing the right antivirus software to protect your system from viruses need not be a daunting tasks. Follow these tips to select the antivirus software that best meets your unique virus protection needs.
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Booting in Safe Mode prevents extraneous services and programs - including most malware - from loading at startup.
PC Tools iAntiVirus offers solid Mac antivirus free for home use. iAntiVirus guards against Mac only malware - a focus that helps keep performance costs and system impact low but may not be the best choice in a mixed Mac/Windows environment.
Unless unique passwords are used for each site, it takes only the compromise of a single site's credentials to have a toppling domino affect on the security of all your online assets.
Want to protect your computer from unwanted remote login? One step you should take is to disable Windows Remote Desktop. Here's how.
AVG Free Edition provides free antivirus protection for Windows XP/2000/NT/ME/98
So you've created a strong password system following the tips outlined in
Black Hat SEO Poisoning is a technique used by cybercriminals to trick search engines, such as Google, Bing, and Yahoo, into ranking a malicious website high in the search engine results page. People land on these sites by entering certain keywords on search engines and clicking on rogue links from the compromised search results. This allows the attackers to have control of web traffic and enables them to lure users on to their infected sites.
By default, file extensions cannot be viewed in Windows. Viruses routinely take advantage of this security oversight.
Firefox Redirect Virus causes unwanted results by redirecting your Internet searches. Follow these steps to help you remove the Firefox Redirect Virus.
BitDefender Antivirus for Mac detects both Mac and Windows malware. Features include realtime on-access virus protection with the ability to perform full system virus scans, quick scans of critical system areas, as well as scheduled scanning. The quarantine feature in BitDefender Antivirus for Mac safely isolates suspect infected files for forwarding to the BitDefender Antivirus Lab for analysis.
Mobile devices are vulnerable to theft or loss, which can put you in danger as someone can access your personal information. One way to secure your identity and protect your device from malware attacks is by using a dependable, reputable mobile security application such as McAfee Mobile Security.
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Social engineering scams are putting Mac users at risk of malware infection. To help keep you safe on even the tightest budget, here are the top picks for the best free Mac antivirus software.
Antivirus software may report that a virus was found in either the _RESTORE (Windows ME) folder or the System Volume Information folder (Windows XP) but the antivirus software may be unable to remove it.
BlackHole is a remote administration tool (RAT) that, used maliciously, can also serve as a remote access trojan. The BlackHole RAT can be used on either Mac OS X or Windows computers, and enables a remote attacker to perform potentially malicious actions on the victim's computer.
Autorun is one of those 'convenience' features in Windows that can cause more harm than good. Essentially, Following are frequently asked questions about the Autorun component, including why Autorun can be dangerous and how it can be disabled.
Package delivery and shipping scams are all too common. This simple tip will keep you from being fooled.
Malware often drops itself as a hidden file and then disables the Folder Options menu in Windows Explorer so you can't change the settings to view hidden files and folders. If you are unable to access the Tools | Folder Options in Windows Explorer, here's how to modify the registry to regain access to the Folder Options menu.
Some spyware and adware will add miscreant links to your Internet Explorer Trusted Sites Zone. This may allow the sites to run with fewer security restrictions. Make sure you periodically check the Trusted Sites Zone list to ensure only sites you have specifically added are included. Here's how.
VirusBarrier Express from Intego is a free on-demand Mac antivirus. VirusBarrier Express scans for Mac malware only, so it's most suited for Mac only users. The lack of realtime on-access protection could be a plus or minus, depending on your needs.
A Trojan is a self-contained malicious program that is different from a virus but can have the same kind of effect on your computer.
How to prevent email worms and viruses
VirusBarrier provides realtime signature-based and behavior-based scanning and guards against both Mac-specific and Windows-based malware.
Unless you plan on sharing your MacBook or iMac with random people, there's really no good reason to have an active guest account. Follow these steps to disable the guest login account on Mac OS X 10.5 and 10.6.
Like its predecessor !0000, the AAAAAAA@AAA.AAA tip is doomed to failure. Worse, it can leave you less protected than you were before.
Internet Explorer caches web pages you visit and cookies coming from those pages. While designed to speed up browsing, if left unchecked the burgeoning folders can sometimes slow IE to a crawl or cause other unexpected behavior. In general, the less is more principal works well here - keep the Internet Explorer cache small and clear it often. Here's how.
To make manual inspection and removal more difficult, malware often disables access to Task Manager. Fortunately, a few quick registry edits are usually all that are needed to regain control. Here's how.
ebay paypal scams and phishing email
Suspicious.Emit; computer virus; new computer viruses; malware; Prevent Suspicous.Emit
Master Key is a vulnerability within the Android security model that allows an attacker to turn any legitimate application into a malicious Trojan horse. The hacker accomplishes this by modifying the APK code without modifying the application’s cryptographic signature. The Android Application Package file (APK) is the file format used by Google’s Android operating system to distribute and install applications.
With a market flooded with a variety of mobile antivirus applications, it can be overwhelming when selecting a solution that is good for you. Should you pay for a security solution or download a free alternative protection app? A free antivirus mobile solution that provides great security features is avast! Mobile Security.
Spyware and adware often change your browser Start and Search pages to point to unwanted websites. Even if you've removed the infestation responsible, you may still need to reset the web settings. Here's how to do this in Internet Explorer.
Malicious PDF files that exploit vulnerabilities in Adobe Reader / Acrobat were the most common cause of drive-by malware infections in 2009 and remains the highest in 2010. Use one of these free alternative PDF readers to lower your risk of infection and stay safer online.
Threats are abundant with information systems. One nasty virus can cripple your machine, steal your personal information, and infect other devices. Protecting your computer from malware is perhaps the most important aspect of computer ownership. The first step in protecting your system is understanding how antivirus software operate.
AntiVir PersonalEdition Classic provides free antivirus protection for Windows XP/2000/NT/ME/98
ulnerabilities in Adobe Reader and Adobe Acrobat are the number one most common infection vector, bar none. Making sure you stay up-to-date with the latest version of Adobe products is imperative, but not foolproof. To use Adobe Reader (and Acrobat) safely, you need to make a few tweaks to its settings. Following are the must-make security changes you need to make in Adobe Reader and/or Adobe Acrobat.
Most everyone realizes that antivirus and firewalls are must-have protection. But when protection interferes with online gaming, it can be sorely tempting to disable that protection in favor of uninterrupted play. These antivirus scanners tackle the unique problems of gamers so you can play without sacrificing performance or protection.
We've all been there - you get an alert from your virus scanner warning that a particular file is infected. Sometimes the alert reappears even after you've told the antivirus scanner to remove the infection. Or maybe you just have reason to believe the virus alert may be a false positive. Here are the six things you'll want to consider to determine how to handle a virus alert.
Java is fast becoming the most targeted third-party application for malicious exploit via the Web. One easy thing you can do to avoid this method of attack is simply disable Java. When you do need it for that website game or calculator, just re-enable it (but be sure to turn it back off when you're done)
False positives occur when a pattern of code in the file matches the same pattern contained in a virus signature.
Combating malware is a never ending process. Cybercriminals continuously deploy new threats with intention of infecting your computer and gaining access to your system. One of the most effective methods of malware prevention is to have an antivirus software installed on your computer. If you’re on a tight budget, you will be surprised that plenty of free antivirus software can provide more than adequate protection and may be more effective in malware detection than their paid-for counterparts.
Viruses and spyware use the HOSTS file to block access to antivirus and security websites, or redirect attempts to visit other websites. Here's how to thwart these unwanted modifications to the HOSTS file.
Avast Free Antivirus offers a robust feature-set in a revamped interface that makes using the product a breeze. New features include wake-on-scan, heuristic engine and code emulator, integrity checking, behavior analysis, and a gaming mode for uninterrupted play.
Answers to frequently asked antivirus questions
Virus hoaxes and myths waste time and money, and make the sender look foolish. Don't fall victim to a hoax. Use the Hoax Encyclopedia to check out the facts behind that dire sounding email.
Stuxnet is a computer worm that targets the types of industrial control systems (ICS) that are used in infrastructure supporting facilities.
Java is fast becoming one of the most targeted third-party applications for malicious exploit via the Web. One easy thing you can do to avoid this method of attack is simply disable Java. When you do need it for that website game or calculator, just re-enable it (but be sure to turn it back off when you're done).
The Sobig.E worm spreads via email. The Sobig.E worm attachment is a ZIP file.
Combating malware is a never ending process. Cybercriminals continuously deploy new threats with intention of infecting your computer and gaining access to your system. One of the most effective methods of malware prevention is to have an antivirus software installed on your computer. With so many different antivirus applications available, it is easy to feel overwhelmed when selecting a solution that best fits your needs. The following list includes top paid antivirus solutions.
Search for " AVG crash " and you'll find over 2 million hits on Google. The systemic problem of AVG crashing
The International Lottery Winner scam attempts to trick recipients into believing they have won large sums of cash, and then bilks them out of their own dough in a similar fashion to the Nigerian 419 scam.
Fake antivirus software will conduct false virus scans on your computer. Learn how to detect these threats.
Sality is a family of file infecting viruses that spread by infecting exe and scr files. The virus also includes an autorun worm component that allows it to spread to any removable or discoverable drive. In addition, Sality includes a downloader trojan component that installs additional malware via the Web.
Google has announced Project Zero, a group of elite hackers formed to hunt down zero-day security risks in various pieces of software, not just in Google products.
Every 3.5 seconds in the United States, someone's identity is stolen. Unfortunately, many view identity theft as an 'online' only problem. It's true that phishing scams, Trojans, and other forms of cybercrime are a factor, but there are also far more low tech means of identity theft - including digging through your garbage or stealing your wallet or purse. You can minimize your risk by following these ten tips.
You've been told to run antivirus software and so you do. But do you really know what antivirus software is?
Wireless Internet access is available at most coffee shops, bookstores, airports, and hotels around the world. But how safe is it
Malicious iframes planted on compromised websites pose big problems for Web surfers. Fortunately, Internet Explorer v6 and above includes a feature that can help protect against malicious iframes. But use with caution - there are many legitimate uses for iframes and IE doesn't distinguish between these.
Following is a list of the autostart entry points in Windows, including startup folders, registry keys, and ini files.
The MS Removal Tool is a fake antivirus malware application that will infect your system when executed. MS Removal Tool is a variant of Win32/Winwebsec. Like other Win32/Winwebsec rogue anti-spyware programs, MS Removal Tool displays fake security alerts and scan results in attempt to deceive you into thinking your computer is infected. The following instructions may help you remove the MS Removal Tool from your system.
Symantec has released an advisory to Apple device owners to “keep an eye out for emails attempting to phish for Apple ID login credentials,” showing various examples of how cybercriminals attempt to trick users into handing over their passwords.
Discovered on February 25th, 2004, Netsky.C is a mass-mailing email worm that also enumerates via mapped drives. Page 2.
People often make the mistake of depending solely on their antivirus application for protection against malware. While some antivirus software is more than capable of providing protection from various forms of malware, one form of protection is often not enough. You may need to use a combination of utilities to fully protect your system. An additional utility that can provide enhanced security is anti-spyware software.
Considering the lengths some companies will go to in order to ensure their adware/spyware cannot be easily removed, the best protection is prevention. Fortunately, preventing adware and spyware is simple enough and if you're willing to apply a little elbow grease it won't cost you a dime.
Removing malware from a Mac computer often requires ending the active process of the malware first. To quit a process using Activity Monitor in Mac OS X, follow these steps.
You can have peace of mind while online with ESET Mobile Security. ESET’s proven NOD32 technology enables you to download apps that are safe and will discover potentially dangerous apps. The anti-phishing feature helps you avoid dangerous fake websites that can steal your information. ESET Mobile Security will alarm you of unsafe links that could potentially direct you to these malicious websites. The following Antivirus & Anti-Phishing features are available with the free version of ESET Mobile Security.
A lot of today's malware goes to great lengths to avoid notice. But some viruses exhibit symptoms that might as well be a banner advertising the infection. Here are a few of the most common tell-tale symptoms of a virus infection.
Learn about the Loyphish Phishing Scam and find out how you can avoid from being scammed.
A few antivirus vendors offer excellent (and free) rescue CDs that will enable you to boot, scan, and repair an infected machine.
Description: A hoax. The Postcard from Hallmark virus hoax is a knock-off on the old A Virtual Card for
AVAST 4 Home Edition provides free antivirus protection for Windows XP/2000/NT/ME/98
Spyware surreptitiously monitors your computer and Internet use, while adware can bombard your PC with unwanted advertising. Both pose a drain on your bandwidth and can lead to loss of security.