Malware type: File Infector

Aliases: Virus.Win32.Kriz.4271 (Kaspersky), W32/Kriz.4270 (McAfee), W32.Kriz (Symantec), W95/Kriz.3840 (Avira), W32/Kriz (Sophos), Virus:Win32/Kriz.4271 (Microsoft)

In the wild: Yes

Destructive: No

Language: English

Platform: Windows

Encrypted: Yes

Description: 
This memory-resident polymorphic Windows virus infects EXE and SCR files. It has a destructive payload, which is triggered on December 25. On this date, this virus attempts to destroy certain types of PC Flash BIOS (similar to PE_CIH) and the infected computer's CMOS information.

For additional information about this threat, see:
Solution
Technical Details

Description created: Dec. 23, 2000 12:01:47 AM GMT -0800

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