Threat Description



Aliases: Disnomia
Category: Malware
Type: Virus
Platform: W32


This virus activates on the 19th of May between 12:00 and 13:00 o'clock. At this time it displays this text on screen:

  !!! Virus Disnomia !!!      code: 428057770-2e872     !!! Happy Birtday !!!     !!!         2    ME   !!!  


Automatic action

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


Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

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

Technical Details

Disnomia was found to be in the wild in Hungary in May 1997.

Technical Details:Peter Szor, F-Secure, 1997


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