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Mary's Antivirus Software Blog April 2004 Archive

By Mary Landesman, About.com Guide to Antivirus Software since 2000

Netsky.AB discovered

Wednesday April 28, 2004
Netsky.AB was discovered on April 28, 2004. As with previous variants, Netsky.AB harvests email addresses from a wide range of file types found on infected users' systems. It then uses ... Read More

Bagle.W/X/Y/Z/AA/AB

Wednesday April 28, 2004
What's in a name? Apparently, if you're an antivirus vendor, not enough. Two new variants of Bagle have received a dozen different names from antivirus researchers. Full Story

Serious flaw at heart of Internet

Tuesday April 20, 2004
A fundamental flaw in TCP/IP - the core protocol at the heart of Internet and networking communications - could allow attackers to reset routers remotely, seriously disrupting the flow of ... Read More

Netsky.X worm discovered

Tuesday April 20, 2004
A new variant of Netsky launches a Denial of Service (DoS) attack against certain websites and opens a backdoor on infected users' systems. The new variant, Netsky.X, was first discovered ... Read More

Executable file extensions

Monday April 19, 2004
What you can't see, can't hurt you, right? Wrong. In the case of file extensions, it's specifically what you can't see that does the most damage. By default, Windows suppresses ... Read More

Browser hijackings

Saturday April 10, 2004
Often accused of being drive-by downloads, these pesky Internet parasites can quickly take advantage of an improperly secured system, embedding themselves as a "browser help object" and redirecting you to ... Read More

Sober.F worm discovered

Sunday April 4, 2004
A new variant of the Sober worm began spreading the morning of April 4, 2004. The Sober.F email may be composed in either English or German. Sober.F is no ordinary ... Read More
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