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TROJ_AGEN.AN

October 09, 2012
 Analysis by: Nice Yutuc
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It executes then deletes itself afterward.

  TECHNICAL DETAILS

File Size:

39,424 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

23 Sep 2011

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Installation

This Trojan executes then deletes itself afterward.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}etimehi.ru/g.php
  • http://{BLOCKED}h.com/byob.exe

NOTES:

It attempts to access the said websites to download possibly malicious files.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.452.02

FIRST VSAPI PATTERN DATE:

24 Sep 2011

VSAPI OPR PATTERN File:

8.453.00

VSAPI OPR PATTERN Date:

25 Sep 2011

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TROJ_AGEN.AN. 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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