Threat Description

Swiss_Boot

Details

Aliases:Swiss_Boot, Swiss Army
Category:Malware
Type:Virus
Platform: W32

Summary



This is a DOS boot sector virus. It infects DOS boot sectors on floppies and on the active partition on a hard disk. It does not infect MBRs.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



The virus is 3 sectors long. When it infects a hard disk it hides the original boot sector and its own two sectors to the last three sectors of the first partition. When it infects a floppy it hides the original boot sector and rest of itself to the two first unused clusters.

On the 7th of February this virus displays the following message and overwrites part of the hard disk:

Schaft die Schweizer Armee ab !

The Swiss_Boot virus is not related to the ExeBug virus at all, although one antivirus program will identify ExeBug as the 'Swiss' virus.





Description Created: Mikko Hypponen, F-Secure


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