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BKDR_AGENT.SS

October 09, 2012
 Analysis by: Sabrina Lei Sioting
 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 may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

51,240,960 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

25 Jun 2012

Arrival Details

This backdoor may be dropped by the following malware:

  • TROJ_DROPPER.TD

Backdoor Routine

This backdoor opens the following port(s) where it listens for remote commands:

  • 80

It connects to the following URL(s) to send and receive commands from a remote malicious user:

  • {BLOCKED}7.com

Other Details

This backdoor requires the following additional components to properly run:

  • mscmos.sys
  • {Computer name}.ax
  • uid.ax

  SOLUTION

Minimum Scan Engine:

9.200

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 the malware/grayware file that dropped/downloaded BKDR_AGENT.SS

Step 3

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