Modified by: Michael Cabel
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware, Downloaded from the Internet

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It bears the file icons of certain applications to avoid easy detection and consequent removal. It uses a file name similar to a legitimate file to pass as a legitimate file.

  TECHNICAL DETAILS

File Size: 97,792 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 07 May 2012

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan bears the file icons of the following applications:

  • Java

It uses a file name similar to a legitimate file to pass as a legitimate file.

NOTES:

This Trojan may be used by a malicious user in performing its malicious routines. It may drop copy of itself in the affected machine. However, this Trojan may require other components to execute properly.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.978.04
FIRST VSAPI PATTERN DATE: 07 May 2012
VSAPI OPR PATTERN File: 8.979.00
VSAPI OPR PATTERN Date: 08 May 2012

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_AHENTE.AE. 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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