Analysis by: Michael Cabel
 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.

  TECHNICAL DETAILS

Tipo de compactação: 512 bytes
Tipo de arquivo: BOOT
Residente na memória: Yes
Data de recebimento das amostras iniciais: 10 Dec 2010

NOTES:
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.

  SOLUTION

Mecanismo de varredura mínima: 8.900
Primeiro arquivo padrão VSAPI: 8.794.01
Data do lançamento do primeiro padrão VSAPI: 22 Feb 2012
VSAPI OPR Pattern Version: 8.795.00
VSAPI OPR Pattern veröffentlicht am: 23 Feb 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

Identify files detected as TDSSMBR.CRV, 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.CRV. 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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