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 !!!
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More scanning & removal options
More information on the 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.
Disnomia was found to be in the wild in Hungary in May 1997.
Technical Details: Peter Szor, F-Secure, 1997