Trojan.DOS.Durell

Parent class: TrojWare

Trojans are malicious programs that perform actions which are not authorized by the user: they delete, block, modify or copy data, and they disrupt the performance of computers or computer networks. Unlike viruses and worms, the threats that fall into this category are unable to make copies of themselves or self-replicate. Trojans are classified according to the type of action they perform on an infected computer.

Class: Trojan

A malicious program designed to electronically spy on the user’s activities (intercept keyboard input, take screenshots, capture a list of active applications, etc.). The collected information is sent to the cybercriminal by various means, including email, FTP, and HTTP (by sending data in a request).

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Platform: DOS

No platform description

Description

Technical Details

This is just an old computer game that was written in the 1987 and uses old standards of video adapter (CGA). Despite this the program can be found in collections of old computer games. The only reason to detect this game as a "trojan horse" is a copy-protection routine that has disk formatting instructions: in some cases this program displays the "ILLEGAL COPY" message and formats the A: drive.

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