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

This virus has 2 versions:

  • Virus.DOS.Zver.512
  • Virus.DOS.Zver.689


Zver is a memory resident parasitic virus.

It hooks INT 21h and writes itself to the beginning of .COM files that are executed or opened. While infecting the virus uses the method of the "Beast" virus. The virus contains the internal text word in Russian:


Translation (from Russian):



No images or videos available.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.