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

It has 2 versions:

  • Virus.DOS.Zol.316
  • Virus.DOS.Zol.799


Zol is a non-memory resident parasitic virus. It searches for .COM files and writes itself to the end of the file. It contains the text strings:

Zol.316: zol*.com
Zol.799: huj*.com

Sometimes Zol.799 decrypts and displays the message:

Chuj Ci w dupeB


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