Analysis by: Sabrina Lei Sioting
 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: 33,004 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 31 Jan 2011
Payload: Compromises system security

Backdoor Routine

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

  • http://{BLOCKED}ki.livecheck.org - malicious URL blocked already by Trend Micro

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.804.06
VSAPI PATTERN Date: 31 Jan 2011
VSAPI PATTERN Date: 1/31/2011 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 to delete files detected as BKDR_DASERF.D. 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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