Summary
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.
See: Y2K,
http://www.F-Secure.com/v-descs/year2000.shtml