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.
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.
Description Details: Mikko Hypponen, F-Secure