Analysis by: Roland Marco Dela Paz
 PLATFORM:

Windows 2000, XP, 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 connects to a website to send and receive information.

  TECHNICAL DETAILS

File Size: 110,592 bytes
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 07 Oct 2010

Backdoor Routine

This backdoor connects to the following websites to send and receive information:

  • {BLOCKED}e.googleupdate.hk
  • {BLOCKED}ss.nifty-user.com

Other Details

This backdoor does the following:

  • Exports functions used for backdoor routines of its main component.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 07.520.01
VSAPI PATTERN Date: 07 Oct 2010
VSAPI PATTERN Date: 10/7/2010 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

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

Step 3

Restart in Safe Mode

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Step 4

Search and delete the file detected as BKDR_INJECT.ANE

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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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