This virus leaves small TSR which attempts to simulate extra keystroke at random moments of time. The effect does not work on ATs. The virus does not infect COMMAND.COM
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
This 818 bytes variant infects EXE files only. It leaves small TSR which "squeezes" the screen every two hours.