Virus Encyclopedia

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Polyboot.B

 
Threat LevelModerate threat
DamageHigh
DistributionNot widespread
Common name:Polyboot.B
Technical name:Polyboot.512.B
Threat level:Low
Type:Virus
Effects:  It infects floppy disks and the boot sector of the hard disk.

Affected platforms:

MS-DOS

First detected on:May 8, 2002
Detection updated on:June 4, 2003
StatisticsNo
Family:ANTICMOS

Brief Description 

    

Polyboot.B is a boot virus that does not have any destructive effects, which infects the boot sector of hard disks (Master Boot Record or MBR) and floppy disks (Boot).

Polyboot.B goes memory resident in order to infect the MBR of the hard disks in the infected computer and the Boot of the floppy disks used.

Once the computer is infected, Polyboot.B infects all floppy disks used in the computer, provided that they are not write-protected.

Visible Symptoms 

    

The only indication that Polyboot.B has infected a computer is that it has problems starting.