Threat Description

Switcher

Details

Aliases: Switcher
Category: Malware
Type:
Platform: W32

Summary



WM/Switcher is a Word macro virus that infects the global template when an infected document is opened. After this is done, the virus infects every document that is saved.



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 replaces the "Tools/Macro" and "File/Tempates" menu selections with the following message box:

Configuration conflict - menu item is not available.

This virus has two destructive payloads. The first activates if Word is started at the exact minute - then it attepts to delete the following files: All Excel worksheets ("*.XLS") from Excel directory, All Access databases ("*.MDB") from Access directory, all program groups ("*.GRP") from Windows directory and all help files from the current directory.

The second payload activates if the document is closed when the seconds from the current time is less than eleven. At this point the virus will search for ten different numbers and replace them with other random numbers.





Technical Details: Sami Rautiainen, F-Secure


SUBMIT A SAMPLE

Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Scan & clean your PC

F-Secure Online Scanner will scan and clean your PC in just a few minutes for free

Learn More