This virus activates on Fridays, before 3PM, when it makes files read-only. It contains the following text:
BRYANSK 1992, BITE 0.01 (C)
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.