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

It has 2 versions:

  • Virus.DOS.Zmiana.1016
  • Virus.DOS.Zmiana.1224

Payload

Zmiana is a memory resident parasitic encrypted virus. It hooks INT 21h, and writes itself to the end of the files that are executed.

Zmiana.1016

Zmiana.1016 infects only .EXE files.

On 13th of any month, it corrupts the hard drive MBR.

Zmiana.1224

Zmiana.1224 infects both .COM and .EXE files.

In some cases, it displays the following message:

Info: zmiana rozmiaru programu !

Media

No images or videos available.

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