Analysis by: Mark Joseph Manahan
ALIASES:

Exploit.MSOffice.CVE-2013-3906.a (Kaspersky), Win32/Exploit.CVE-2013-3906.A trojan (Eset)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component.

  TECHNICAL DETAILS

File Size: 19,098 bytes
File Type: TIFF
Memory Resident: No
Initial Samples Received Date: 07 Nov 2013

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

NOTES:
This is the embedded malicious TIFF File found in TROJ_ACTIFF.B which is responsible for software vulnerability CVE-2013-3906.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 10.396.05
FIRST VSAPI PATTERN DATE: 07 Nov 2013
VSAPI OPR PATTERN File: 10.397.05
VSAPI OPR PATTERN Date: 08 Nov 2013

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Remove the malware/grayware file that dropped/downloaded TROJ_ACTIFF.C

     TROJ_ACTIFF.B

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_ACTIFF.C 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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