VirTool.DOS.TPE

Parent class: Malware

Malicious tools are malicious programs designed to automatically create viruses, worms, or Trojans, conduct DoS attacks on remote servers, hack other computers, etc. Unlike viruses, worms, and Trojans, malware in this subclass does not present a direct threat to the computer it runs on, and the program’s malicious payload is only delivered on the direct order of the user.

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Class: VirTool

VirTool programs can be used to modify other malicious programs so that they cannot be detected by antivirus software.

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Platform: DOS

No platform description

Description

Technical Details

This is a benign memory resident stealth polymorphic parasitic TPE-based virus. It hooks INT 21h and writes itself to the end of accessed COM and EXE files. It contains the text strings:

This is KELA-17 version virus.



KELA-17 very nice virus . Ha Ha HaHa



KELA - 17. Copyright (c) 1994 by KELA. All Rights Reserved.

and the text strings in Russian. On Friday the 13th, it runs itself utilizing a video effect.

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