Threat Description

SVC

Details

Summary



This is the first Russian "stealth" virus. It has not been analyzed yet, but it contains the text string:

 (c) 1990 by SVC,Vers. 4.0

A 1740 byte variant with the same message is also known.



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




Variant:SVC 3.1

This earlier version is somewhat shorter, only 1064 bytes. One 1228 byte variant might be even older, but it does not contain a version number.


Variant:SVC 5.0

A more recent, improved version of the virus - 3103 bytes long.


Variant:SVC 6.0

Yet another variant, which is able to infect MBR's as well.


Variant:SVC.2936

This variant activates on June 4th and tries to overwrite part of the hard drive. It was reported to be in the wild in Mosambik in 1996.






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