Trojan-Spy.Win32.ImSoft

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-Spy

Trojan-Spy programs are used to spy on a user’s actions (to track data entered by keyboard, make screen shots, retrieve a list of running applications, etc.) The harvested information is then transmitted to the malicious user controlling the Trojan. Email, FTP, the web (including data in a request) and other methods can be used to transmit the 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

Payload

When launched, the Trojan modifies the following registry key value:

This results in the Internet Explorer home page being changed the http://www.im-software.co.uk

Technical Details

This Trojan will change the Internet Explorer home page. It is a Windows PE EXE file. The file is 60,416 bytes in size. It is written in Delphi.

Removal instructions

1. Use Task Manager to terminate the Trojan process
2. Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine).
3. Revert the Internet Explorer home page to its previous setting.
4. Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).

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