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Virus.DOS.Alho.676 or Alho is a virus that runs on MS-DOS.

Details

Alho is a non-memory resident parasitic virus. It searches for .COM files, then writes itself to the end of the file. Depending on DOS version installed, its counters and other conditions the virus erases the disk sectors.

Depending on its counters the virus leaves a memory resident program that hooks INT 9 and when Alt, Ctrl or Shift key is pressed, that program displays the message:

+---------------------------+

¦ CTRL,SHIFT & ALT keys are ¦

¦ reserved for internal use ¦

+---------------------------+

The virus also contains the text strings:

*.Com
Alho

Media

No videos available.

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