Threat Description

Vcomm

Details

Aliases:Vcomm
Category:Malware
Type:Virus
Platform:DOS

Summary



This is not very well written, but easy to study because a commented disassembly was included in the sample that arrived from Poland. When an infected program is run, it will infect one .EXE file in the current directory. Infected programs are first padded so their length becomes a multiple of 512 bytes. Then the virus adds 637 bytes to the end of the file. It will also install a resident part that will intercept any disk write and change it into a disk read.



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.



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