Threat Description

Wallpaper

Details

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

Summary



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".



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



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:

  GO BACK TO MS-WORD??





Technical Details: Sami Rautiainen, F-Secure


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