Threat description


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


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.


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

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

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

Technical Details:Peter Szor, F-Secure, 1997


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