Threat Description



Category: Malware
Platform: W32
Aliases: Sig, Signature


WM/Sig is a simple macro virus which contains a macro called "signature". This virus is not widespread.

Sig activates by adding a single line saying "WIN" to the end of AUTOEXEC.BAT file.

[Katrin Tocheva, F-Secure]


Automatic action

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


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.


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