The nFLU virus is another clone of the nVIR B virus. (The "Hpat" virus is another example of an nVIR clone.)
There is a shareware program called "Disinfectant 3.7.1" available on most networks that removes this and all other known viruses from an infected system. Disinfectant 3.7.1 also contains a good description of all known viruses.
For information on downloading the latest version of Disinfectant refer to:
TIL aritcle 30487: "
Disinfectant: Macintosh Anti-Viral Utility".