BKDR_INJECT.QE

October 08, 2012
 Analysis by: JessaD
 ALIASES:

Backdoor:Win32/Tarnid!rts (Microsoft); Backdoor.Win32.Turkojan.aqt (Kaspersky)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This backdoor arrives as a file that exports the functions of other malware/grayware.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

7,168 bytes

File Type:

PE

Initial Samples Received Date:

01 Feb 2011

Payload:

Logs keystrokes

Arrival Details

This backdoor arrives as a file that exports the functions of other malware/grayware.

Other Details

This backdoor requires its main component to successfully perform its intended routine.

NOTES:
This .DLL file initially opens a mapped file named Mechanism. However, since there is no such file, this program will terminate prematurely.

This file's main routine is to intercept keystroke messages, which enables it to act as a keylogger for its main component.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.806.10

FIRST VSAPI PATTERN DATE:

01 Feb 2011

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

Scan your computer with your Trend Micro product and note files detected as BKDR_INJECT.QE

Step 3

Restart in Safe Mode

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Step 4

Search and delete the file detected as BKDR_INJECT.QE

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Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.


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