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Threat Encyclopedia

JS_AGENTT.DT

Malware type: JavaScript

Aliases: No Alias Found

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:

High

Distribution potential:

Low

Description: 

To get a one-glance comprehensive view of the behavior of this malware, refer to the Threat Diagram shown below.

JS_AGENTT.DT Behavior Diagram

Malware Overview

This JavaScript may be dropped by another malware.

It is embedded in a specially crafted PDF file, detected by Trend Micro as TROJ_PIDIEF.UO.

It used by the said malware to download and execute an arbitrary code.

For additional information about this threat, see:

Description created: Oct. 8, 2009 7:41:29 PM GMT -0800


TECHNICAL DETAILS


File type: Script

Memory resident:  No

Size of malware: 1,801 Bytes

Initial samples received on: Oct 8, 2009

Related toTROJ_PIDIEF.UO

Details:

This JavaScript may be dropped by the another malware detected as TROJ_PIDIEF.UO.

It is embedded in a specially crafted PDF file, detected by Trend Micro as TROJ_PIDIEF.UO. It is used by the said malware to download and execute an arbitrary code.

It runs on Windows 98, ME, NT, 2000, XP, and Server 2003.


Analysis By: Michael Cabel


SOLUTION


Minimum scan engine version needed: 8.900

Pattern file needed: 6.523.00

Pattern release date: Oct 9, 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.

Solution:

For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

 Step 1: Remove malware files related to JS_AGENTT.DT  

 Step 2: Scan your computer with your Trend Micro product to delete files detected as JS_AGENTT.DT  

*Note: If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.




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