Malware type: Trojan

Aliases: Trojan.Win32.Agent.alt (Kaspersky), Generic.fg (McAfee), Trojan Horse (Symantec), TR/Agent.alt.135 (Avira), Troj/AgentA-Fam (Sophos), Trojan:Win32/Agent.gen!M (Microsoft)

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No

Overall risk rating:

Reported infections:

Damage potential:


Distribution potential:



A Trojan horse program is a malware that is not capable of automatically spreading to other systems. Trojans are usually downloaded from the Internet and installed by unsuspecting users.

Trojans typically carry payloads or other malicious actions that can range from the mildly annoying to the irreparably destructive. They may also modify system settings to automatically start. Restoring affected systems may require procedures other than scanning with an antivirus program.

For additional information about this threat, see:

Description created: Nov. 10, 2008 1:13:25 PM GMT -0800


File type: PE

Memory resident:  No

Size of malware: 705 Bytes

Initial samples received on: Oct 12, 2008

Payload 1: Connects to a URL


This Trojan may arrive bundled with malware packages as a malware component. It may be downloaded from remote site(s) by other malware. It may be used to connect to a remote site to possibly download malicious files.

Analysis By: Michael Cabel

Revision History:

First pattern file version: 5.786.05
First pattern file release date: Jan 22, 2009


Minimum scan engine version needed: 8.500

Pattern file needed: 6.435.00

Pattern release date: Sep 11, 2009

Important note: The "Minimum scan engine" refers to the earliest Trend Micro scan engine version guaranteed to detect this threat. However, Trend Micro strongly recommends that you update to the latest version in order to get comprehensive protection. Download the latest scan engine here.


Important Windows ME/XP Cleaning Instructions

Users running Windows ME and XP must disable System Restore to allow full scanning of infected computers.

Users running other Windows versions can proceed with the succeeding solution set(s).

Running Trend Micro Antivirus

If you are currently running in safe mode, please restart your computer normally before performing the following solution.

Scan your computer with Trend Micro antivirus and delete files detected as TROJ_AGENT.INC. To do this, Trend Micro customers must download the latest virus pattern file and scan their computer. Other Internet users can use HouseCall, the Trend Micro online virus scanner.

Trend Micro offers best-of-breed antivirus and content-security solutions for your corporate network, small and medium business, mobile device or home PC.