There is no virus by this name, and there are no known common viruses that would activate on this date. However, some people are concerned that computers might go berzerk on this date, as some (typically, older) computer systems have used the "9999" symbol as an end-of-file marker.
This risk is probably not too big, and has nothing to do with viruses.
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.