Threat Description



Category: Malware
Type: Virus
Platform: W32
Aliases: Wallpaper, Pirate


WM/Wallpaper is a Word macro virus.

Beside replication, the virus activates its payload on every 31th day of each month. At this time, it attempts to replace the Windows desktop's wallpaper with a picture of a skull. This picture is saved to "c:\windows\temp\sk2.bmp".


Automatic action

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

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

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.

Technical Details

It also modifies the "c:\autoexec.bat" and "c:\windows\win.ini" to perform the changes to the user's desktop.

Depending on the system time, it shows a message box with the same image and the following text:

  The [PIRATE VIRUS] pillaged your computer!  

The message box contains a single button labeled as:


Technical Details:Sami Rautiainen, F-Secure


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