It is not a dangerous nonmemory resident parasitic virus. It searches for .COM files and writes itself to the beginning of the file. While infecting a file the virus displays the messages:
Virus Demo Ver.: 1.1 - Handle with care!
By STAF (Tel.: (819) 595-0787)
Generation #
This program has been infected by:
VIRUS ERROR # - Aborting process.
Needs DOS version 2.0 and above.
Infecting:
Press any key to execute original programall
I have infected all your files in the current directory!
Have a nice day!