Parity_Boot

Classification

Malware

Virus

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Parity_Boot

Summary

Parity_Boot.B infects the boot records of diskettes and the Master Boot Records of hard disks. As a typical boot sector virus, Parity_Boot.B can infect hard disks only during a diskette boot. The virus reserves one kilobyte of conventional memory for itself and infects all non-write- protected diskettes used in an infected computer.

Removal

Automatic action

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

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Technical Details

Parity_Boot.B uses stealth techniques, so the changes the virus has made cannot be detected while it is active in memory. Parity_Boot.B activates at random times and prints the message "PARITY CHECK" on the screen. After this, the virus crashes the computer, simulating a genuine error situation due to faulty memory circuits.

Incidents involving the Parity_Boot.B virus have lately popped up in several parts of the world. The virus seems to be especially common in Germany, probably because the virus infected a cover-disk distributed by one of the biggest German computer magazines in late 1994.

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Date Last Modified: -