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
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More scanning & removal options
More information on the 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.
This virus is probably written by the same programmer, but it radically different - a polymorphic 2112 byte virus.