Virus.DOS.66c.612 is a dangerous parasitic DOS virus.


When the virus is run, it infects every DOS executable in the same directory by writing itself to the end of the file.

Advanced detailsEdit

This virus does not stay memory resident after program termination.

MD5 hash:



On December 25, when the user attempts to execute an infected program, the virus terminates it.

On April 1, the virus deletes the file after the runtime of an infected program.

Other detailsEdit

The virus contains the internal text strings:


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.