Analysis by: Christopher Daniel So
ALIASES:

Exploit-CVE-2010-3333 (McAfee)

 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: Via email

This Trojan arrives as attachment to mass-mailed email messages.

It contains errors in its code. This stops it from performing its routines.

  TECHNICAL DETAILS

File Size: 218,680 bytes
File Type: RTF
Initial Samples Received Date: 12 Mar 2012
Payload: Drops files

Arrival Details

This Trojan arrives as attachment to mass-mailed email messages.

Dropping Routine

This Trojan drops the following files:

  • svohost.exe - detected by Trend Micro as TSPY_MARADE.AA

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

Other Details

This Trojan contains errors in its code. This stops it from performing its routines.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.832.02
FIRST VSAPI PATTERN DATE: 12 Mar 2012
VSAPI OPR PATTERN File: 8.833.00
VSAPI OPR PATTERN Date: 13 Mar 2012

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

Remove malware files dropped/downloaded by TROJ_ARTIEF.SV

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_ARTIEF.SV. 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.


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