Analysis by: Christopher Daniel So

 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: Yes

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It may be downloaded by other malware/grayware/spyware from remote sites.

  TECHNICAL DETAILS

File Size: 161,319 bytes
File Type: PE
Memory Resident: No
Initial Samples Received Date: 12 Aug 2010

Arrival Details

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

It may be downloaded by other malware/grayware/spyware from remote sites.

Other Details

Based on analysis of the codes, it has the following capabilities:

  • It decrypts, loads and executes a malware in memory - detected as BKDR_QAKBOT.SMB

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.378.02
VSAPI PATTERN Date: 12 Aug 2010
VSAPI PATTERN Date: 8/12/2010 12:00:00 AM

Step 1

Remove the malware/grayware file dropped/downloaded by TSPY_ZBOT.MJM

     BKDR_QAKBOT.SMB

Step 2

Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.MJM. 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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