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BKDR_AGENT.JGE

October 09, 2012
 Analysis by: Cris Nowell Pantanilla
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW


This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It injects its dropped file/component to specific processes.

  TECHNICAL DETAILS

File Size:

138,240 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

14 Jun 2011

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This backdoor drops and executes the following files:

  • %System Root%\Documents and Settings\All Users\KB{random}.dll - detected as BKDR_AGENT.MSC

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It injects its dropped file/component to the following processes:

  • SVCHOST.EXE

Download Routine

This backdoor connects to the following URL(s) to download its configuration file:

  • {BLOCKED}e.dyndns.tv

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.224.02

FIRST VSAPI PATTERN DATE:

14 Jun 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

Remove malware files dropped/downloaded by BKDR_AGENT.JGE

Step 3

Scan your computer with your Trend Micro product to delete files detected as BKDR_AGENT.JGE. 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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