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RTKT_TDSS.ALJ

October 09, 2012
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It may be dropped by other malware.

It is a component of other malware.

Its rootkit functionalities are used by other malware/grayware. It hides files, processes, and/or registry entries.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

SYS

Memory Resident:

Yes

Initial Samples Received Date:

12 May 2011

Arrival Details

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

It may be dropped by other malware.

Installation

This Trojan is a component of other malware.

Rootkit Capabilities

This Trojan s rootkit functionalities are used by other malware/grayware.

It hides files, processes, and/or registry entries.

NOTES:

This malware is a component file of a BKDR_TDSS malware. This file has usually two versions, one for 32-bit and one for 64-bit systems. This file is also responsible for ensuring that the Master Boot Record of the system is infected.

  SOLUTION

Minimum Scan Engine:

8.900

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 RTKT_TDSS.ALJ

    BKDR_TDSS

Step 3

Scan your computer with your Trend Micro product to delete files detected as RTKT_TDSS.ALJ. 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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