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TROJ_PIDIEF.WIA

January 06, 2010
 Analysis by: adel
 PLATFORM:

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

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


Trend Micro has flagged this Trojan as noteworthy due to the increased potential for damage, propagation, or both, that it possesses. Specifically,it takes advantage of a vulnerability in the method in Adobe Reader and Acrobat versions 8.0 to 9.2, and possibly earlier versions.

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

This Trojan arrives as attachment to mass-mailed email messages.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

952,206 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

30 Dec 2009

Payload:

Drops files

Arrival Details

This Trojan arrives as attachment to mass-mailed email messages.

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\SUCHOST.EXE - detected by Trend Micro as BKDR_POISON.UC

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)

It takes advantage of the following software vulnerabilities to drop malicious files:

  • Adobe Reader and Acrobat 'newplayer()' JavaScript Method Remote Code Execution Vulnerability

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

6.732.04

FIRST VSAPI PATTERN DATE:

30 Dec 2009

VSAPI OPR PATTERN File:

6.733.00

VSAPI OPR PATTERN Date:

30 Dec 2009

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

Remove malware files dropped/downloaded by TROJ_PIDIEF.WIA

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_PIDIEF.WIA. 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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