Analysis by: Roland Marco Dela Paz
 Modified by: jasperm
 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 is Trend Micro detection for Master Boot Record (MBR) infected by TDSS family. The main TDSS component modifes the Master Boot Record of a system to execute its malicious file components stored in the disk.

This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size: 512 bytes
File Type: BOOT
Memory Resident: Yes
Initial Samples Received Date: 10 Dec 2010

Other Details

This is the Trend Micro detection for:

  • Master Boot Record (MBR) infected by TDSS family. The main TDSS component modifes the Master Boot Record of a system to execute its malicious file components stored in the disk.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.731.80
VSAPI PATTERN Date: 10 Dec 2010
VSAPI PATTERN Date: 12/10/2010 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

Identify files detected as TDSSMBR.SM, then restore the Master Boot Record and delete malware files using Recovery Console

[ Learn More ]

Step 3

Scan your computer with your Trend Micro product to delete files detected as TDSSMBR.SM. 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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