A simple virus of no particular interest. It is not able to infect programs smaller than itself, and will destroy them.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
Variant:Gergana-222, Gergana-300, Gergana-450
Improved variants, with some bugs fixed, better error handling and improved in other ways. They all contain the text "Gergana", and in the original source code this particular line contains the comment
Happy 18th Birthday
This variant is slightly different. It may infect multiple files in the current directory, instead of just one, but may also disinfect the previously infected files.