Threat Description

SVC

Details

Aliases: SVC
Category: Malware
Type:
Platform: W32

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 Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



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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