According to the original source code from the author, this virus is designed to bypass three virus monitoring programs, FluShot, Vstop and Virblock, but this has not been tested.
It contains the following text:
PC-FLU by WIZARD 1991
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.
This virus is probably written by the same programmer, but it radically different - a polymorphic 2112 byte virus.