It is a very dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of EXE files that are accessed. The virus also checks the system country code. If it is not UK, USA, Italy or Slavic/Latin, the virus also hooks INT 13h and corrupts data on disk: writes data on Read calls, and reads data on Write calls. Depending on its internal counter the virus then displays the message:
MegaFuck to CopyRight law.MegaFuck to MicroSoft.(V)'94 SS