Analysis 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: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan has coding errors that prevent it from running its malicious routines.

  TECHNICAL DETAILS

File Size: Varies
File Type: PDF
Memory Resident: Yes
Initial Samples Received Date: 08 Apr 2009

NOTES:

Based on analysis of the codes, it has the following capabilities:

  • This is the detection of Trend Micro for damaged samples of TROJ_PIDIEF variants.
  • The said samples have coding errors that prevent this Trojan from properly executing its routines.

  SOLUTION

Minimum Scan Engine: 9.200
VSAPI OPR PATTERN File: 5.883.00
VSAPI OPR PATTERN Date: 03 May 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

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