Analysis by: Erika Bianca Mendoza
 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

This malware exploits different vulnerabilities in order to download other malicious files.

As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size: 26,114 bytes
File Type: PDF
Initial Samples Received Date: 03 Mar 2011
Payload: Downloads files

Arrival Details

This Trojan may be downloaded from the following remote sites:

  • http://{BLOCKED}d.cz.cc/manuale.pdf

Download Routine

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

  • Adobe Acrobat util.printf Buffer Overflow
  • Adobe Acrobat collab.getIcon Buffer Overflow
  • Adobe Reader media.newPlayer Exploit
  • Adobe Acrobat Collab.collectEmailInfo Buffer Overflow

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

  • http://{BLOCKED}lador.cz.cc/out.php?a=QQkEEkcJBA==&p=7

As of this writing, the said sites are inaccessible.

Other Details

For more information on the aforementioned vulnerabilities, please see the following pages:

  SOLUTION

Minimum Scan Engine: 8.900

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.SMQQ. 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 3

Download and apply these security patches Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.


Did this description help? Tell us how we did.