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TROJ_PIDIEF.BTIF

October 09, 2012
 Analysis by: Roland Marco Dela Paz
 ALIASES:

Troj/PDFJS-WD (Troj/PDFJS-WD); Exploit.TIFF.Gen (Exploit.TIFF.Gen)

 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

Infection Channel:

Downloaded from the Internet


This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size:

21,721 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

12 Apr 2012

Payload:

Downloads files

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Download Routine

This Trojan takes advantage of the following software vulnerabilities to download possibly malicious files:

NOTES:

As a result, malicious routines of the downloaded files are exhibited on the affected system.

This malware, however, requires to be hosted to its original site in order to successfully exhibit its download routine.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

*under processing

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

Close all opened browser windows

Step 3

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

Step 4

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.   http://www.adobe.com/support/security/bulletins/apsb10-07.html


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