Virus.DOS.ACDC.494 or ACDC is a virus that runs on MS-DOS.

This virus has 2 versions:

  • Virus.DOS.ACDC.494
  • Virus.DOS.ACDC.499


ACDC is a memory resident parasitic virus.

It hooks INT 21h and writes itself to the end of COM files (except COMMAND.COM) that are executed.

The virus does not manifest itself in any way, it contains the internal text string :



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