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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Stealth.Boot

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Stealth.Boot
Technical name:Stealth.Boot
Threat level:Low
Alias:StealthBoot.C, HavocSt-Boot.Amse, Nops.B, Stelboo, Stealth, StealthBoot.A, StealthBoot.B, Stealth_Boot
Type:Virus
Effects:  It infects the hard disk MBR.
Affected platforms:

MS-DOS

Detection updated on:July 12, 2001
StatisticsNo
Family:VALENTIN

Brief Description 

    

Stealth.Boot is a boot virus that infects the boot sector of floppy disks and the Master Boot Record of hard disks.

The virus infects the computer when the computer is booted from an infected floppy disk.

Stealth.Boot uses stealth techniques in order to make it difficult for the user to detect its presence. In addition, when Stealth.Boot has infected the MBR, it goes memory resident in order to infect the floppy disks used in the infected computer that are not write-protected.

Visible Symptoms 

    

Stealth.Boot is difficult to recognize, as it does not display any messages or warnings that indicate that it has infected a computer.