TROJ_PIDIEF.BLCE

October 09, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may be downloaded by other malware/grayware from remote sites.

  TECHNICAL DETAILS

File Size:

32,307 bytes

File Type:

PDF

Initial Samples Received Date:

04 May 2012

Arrival Details

This Trojan may be downloaded by the following malware/grayware from remote sites:

  • JAVA_DLOADR.MDB

It may be downloaded from the following remote sites:

  • http://{BLOCKED}art.net/data/ap2.php

Download Routine

After successfully exploiting the said vulnerability, this malware connects to the following URLs to possibly download other malicious files:

  • http://{BLOCKED}dart.net/data/field.swf - detected as SWF_BLACOLE.PS

NOTES:
This Trojan takes advantage of a software vulnerability to download possibly malicious files. It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.976.04

FIRST VSAPI PATTERN DATE:

07 May 2012

VSAPI OPR PATTERN File:

8.977.00

VSAPI OPR PATTERN Date:

07 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

Remove malware files dropped/downloaded by TROJ_PIDIEF.BLCE

Step 3

Remove malware/grayware files that dropped/downloaded TROJ_PIDIEF.BLCE

Step 4

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


Did this description help? Tell us how we did.