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.Read more
Class: Constructor
Constructor programs are designed to create new viruses, worms, and Trojans. There are known Constructors for DOS, Windows, and macro platforms. These programs generate malicious program source code, object modules, and/or malicious files. Some Constructors have a standard Windows-type interface in which a menu is used to select the type of malicious program, self-encryption options, anti-debugging features, etc.Read more
Platform: DOS
No platform descriptionDescription
Technical Details
DREG (Digital Hackers' Alliance Randomized Encryption Generator) is a virus constructor. It creates virus source codes (ASM files), then runs TASM and TLINK to compile these source to executable files. DREG creates nonmemory resident encrypted COM viruses. They search for COM files in the current directory and write themselves to the end of files.
While creating new viruses DREG uses several variants of code and adds junk instructions sequences. DREG also used several anti-heuristic tricks.
The DREG constructor has several bugs, as a result in some cases it creates buggy viruses that may halt the system or corrupt the files while infecting them.
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