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TROJ_PIDIEF.FDA

October 08, 2012
 Analysis by: JasperM
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


However, as of this writing, the said sites are inaccessible.

It accesses websites to download files. This action allows this malware to possibly add other malware on the affected computer. It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

40,068 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

13 Sep 2010

Payload:

Downloads files

Arrival Details

However, as of this writing, the said sites are inaccessible.

Download Routine

This Trojan accesses websites to download the following files:

  • http://{BLOCKED}.{BLOCKED}.160.84/piwik/fi_16.php

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

  • CVE-2007-5659
  • CVE-2009-4324

It saves the files it downloads using the following names:

  • %System%\a.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

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:

8.900

VSAPI PATTERN File:

7.461.80

VSAPI PATTERN Date:

13 Sep 2010

VSAPI PATTERN Date:

9/13/2010 12:00:00 AM

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.FDA. 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 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.


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