Threat Description

Verm

Details

Aliases: Verm, Vermin
Category: Malware
Type: Virus
Platform: W32

Summary



WM/Verm is a macro virus that infects Word documents.

When an infected document is opened, the virus will gets control and infects the Word's "NORMAL.DOT" template. After that, the virus infects every document while it is closed.

This virus has a destructive payload which activates when any infected document has been opened three times. Then it deletes all files from the Word's graphic filters, text converters, proofing tools and style gallery templates directories.



Removal



Automatic Disinfection

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

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








Description Created: Analysis: Sami Rautiainen, F-Secure


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