Threat Description

Happy Birthday

Details

Aliases: Happy Birthday, Happy Birthday, November 13th
Category: Malware
Type:
Platform: W32

Summary



This is not a virus.

There is a a large set of trojanized AMI BIOS chips going around which halt the machine during boot-up on the 13th of November and play 'Happy Birthday' from the PC-speaker until you press a key.

The BIOS version is "M82C498 Evaluation BIOS v1.55", dated 04/04/93.

Do note that it's not a virus - it will not replicate anywhere from an affected machine.

If you have this problem, contact your hardware vendor for a BIOS replacement.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.








Description Created: Mikko Hypponen, F-Secure


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