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CIH
According to reports from F-Secure, CIH exhibits the following characteristics:
Type: EXE infector
Aliases: Chernobyl, Spacefiller, W95/CIH
Systems Affected: Windows 95 and 98
Payload: Overwrites data on the local hard drive; overwrites Flash BIOS making the system unbootable.
ITW: Yes
Origin: Taiwan
Description: CIH has caused widespread infection since its discovery in June 1998. Several reputable vendors have inadvertently shipped software or systems infected with the CIH virus. Pirated software (particularly in Asia) continues to be a prime source of infection. With CIH's widespread infection, and the fact that it has been in the top ten list of infectors since it's inital release, F-Secure case created a Global CIH Virus Information Center to provide detailed information about the threat.
What to look for: F-Secure has a free tool to detect whether the CIH virus is present on your system.
How to prevent it: Use up-to-date antivirus software and scan any new files introduced to your system before allowing them to execute. See Free Protection for evaluation or free antivirus software resources. Check out the Tips for Safety for other means of prevention.
