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TROJ_QAKCFR.WI

October 08, 2012
 Analysis by: Cris Nowell Pantanilla
 ALIASES:

W32.Qakbot!conf2 (Symantec); Backdoor:Win32/Qakbot.gen!arc3 (Microsoft)

 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 Trojan may be downloaded from remote sites by other malware.

  TECHNICAL DETAILS

File Size:

10,345 bytes

File Type:

Other

Memory Resident:

No

Initial Samples Received Date:

04 Mar 2011

Arrival Details

This Trojan may be downloaded from remote site(s) by the following malware:

  • any WORM_QAKBOT variant

NOTES:

It contains the following once decrypted:

  • Configuration file version
  • FTP hosts (upload sites)
  • Infection logs
  • IRC data (port, nick, password)
  • P2P node
  • Reference to the components and their corresponding random filenames in the system

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.870.13

FIRST VSAPI PATTERN DATE:

04 Mar 2011

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_QAKCFR.WI. 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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