BKDR_RIRLGED.B

 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: No

  • In the wild: Yes

  OVERVIEW


This backdoor may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It exports functions used by other malware. It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

352,518 bytes

File Type:

DLL

Initial Samples Received Date:

08 Jun 2011

Arrival Details

This backdoor may arrive bundled with malware packages as a malware component.

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

Other Details

This backdoor exports functions used by other malware.

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

NOTES:
It is capable of performing the following:

  • Download and Upload files
  • Key Logging
  • Create and terminate process/service
  • Create mini HTTP server
  • Get System info
  • Connect to internet
  • Manage User account

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.210.06

FIRST VSAPI PATTERN DATE:

08 Jun 2011

Step 1


*NOTE: This malware is a DLL file that may come with a main component detected by Trend Micro as another malware. It may also be used by several variants of a certain malware family. If your Trend Micro product detects another malware on your system, refer to the manual removal instructions of that detected malware.

Step 2

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 3

Scan your computer with your Trend Micro product to delete files detected as BKDR_RIRLGED.B. 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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