Detect date
10/05/2009
Class
Trojan-GameThief
Platform
Win32

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-GameThief

This type of malicious program is designed to steal user account information for online games. The data is then transmitted to the malicious user controlling the Trojan. Email, FTP, the web (including data in a request), or other methods may be used to transit the stolen data.

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Platform: Win32

Win32 is an API on Windows NT-based operating systems (Windows XP, Windows 7, etc.) that supports execution of 32-bit applications. One of the most widespread programming platforms in the world.

Description

This Trojan belongs to the family of Trojans that steals passwords from online gaming user accounts. It is a Windows application (PE EXE file). The file is 126 464 bytes in size. It is packed using ASPack. The unpacked file is approximately 516 KB in size. It is written in C++.

Installation

Once launched, the Trojan copies its original body to the current user's temporary files directory under the following name:

%Temp%herss.exe
It assigns "Hidden", "Read Only", and "System" attributes to this file. In order to ensure that the Trojan is launched automatically each time the system is restarted, the Trojan registers its executable file in the system registry autorun key:



[HKCUSoftwareMicrosoftWindowsCurrentVersionRun]



"cdoosoft"="%Temp%herss.exe"



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