Class
Trojan
Platform
DOW

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: DOW

No platform description

Description

Technical Details

This Trojan program is a DOS EXE file of 16KB written in QuickBasic. The file is compressed using ExePack and UPX. The size of the decompressed file is approximately 20KB.

On start-up, the program writes the following lines to "c:autoexec.bat":

@echo Sario Written by Sarosoft
@echo Acireale Luglio 2003
format.com c: /autotest

The C: disk may be reformatted when the computer is re-booted.

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