AntiCMOS

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AntiCMOS
Common name AntiCMOS
Technical name AntiCMOS.A
Aliases Lenart, Anti-CMOS
Family AntiCMOS
Classification Virus
Type DOS
Subtype Boot virus
Isolation January 1994
Point of isolation Lenart, Slovenia
Point of Origin China
Author(s) Unknown

AntiCMOS is a boot virus. Its first discovery was at Lenart, Slovenia, which led to its alias of Lenart. It was isolated in Hong Kong several times at the beginning of 1994, but did not become common until it spread to North America in the Spring of 1995. AntiCMOS is a fairly standard boot virus, and is primarily notable for being one of the few DOS viruses to remain in the wild as of 2005.

AntiCMOS is so named because it has the intended effect of erasing all CMOS information. This does not occur because of a bug in the virus code. This is true of all AntiCMOS variants that have appeared in the wild. The payload date of December 1993 and the obsolete nature of these variants makes it very unlikely that AntiCMOS's payload will ever be a threat.

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