TROJ_DUQU.CF

October 09, 2012
 Analysis by: Erika Bianca Mendoza
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This is the Trend Micro detection for the encrypted configuration file of the TROJ_DUQU malware family. It contains certain configurations. The configuration file has certain settings.

  TECHNICAL DETAILS

File Size:

8,192 bytes

File Type:

Other

Memory Resident:

No

Initial Samples Received Date:

01 Nov 2011

NOTES:

This is the Trend Micro detection for the encrypted configuration file of the TROJ_DUQU malware family.

It contains the following configurations:

  • Service registry key
  • File path of component files
  • Websites it will try to connect to for DNS checking
  • Processes wherein DUQU will be injected into

The configuration file has the following settings:

  • Service registry key:
    • ALiIDE
  • File path of component files:
    • %System%\Drivers\allide1.sys
    • %System Root%\inf\iddr021.pnf
    • %System Root%\inf\iddr022.pnf
  • Websites it will try to connect to for DNS checking:
    • www.microsoft.com
    • kasperskychk.dyndns.org
  • Processes wherein DUQU will be injected into
    • firefox.exe
    • iexplore.exe
    • pccntmon.exe

  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

Scan your computer with your Trend Micro product to delete files detected as TROJ_DUQU.CF. 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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