Analysis by: jasperm
ALIASES:

Microsoft: Trojan:Win32/Bamital.E ; Mcafee: ZapChast.gen.b ; Kaspersky: Trojan.Win32.Ftar.a

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This malicious DLL file queries and reads a certain registry key which may be created by its main component.

Based on its code, this registry key contains a series of codes which may include the malicious routines of this Trojan. It then jumps to the code stored in this registry key.

This Trojan may arrive bundled with malware packages as a malware component. It may be dropped by other malware.

  TECHNICAL DETAILS

File Size: 3,072 bytes
File Type: PE
Memory Resident: No
Initial Samples Received Date: 22 Dec 2010

Arrival Details

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

It may be dropped by other malware.

Other Details

This Trojan does the following:

  • This malicious DLL file queries and reads the following registry key which may be created by its main component:

    HKEY_CURRENT_USER\Software\dhokluebfi

    Based on its code, this registry key contains a series of codes which may include the malicious routines of this Trojan. It then jumps to the code stored in this registry key.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.719.80
VSAPI PATTERN Date: 22 Dec 2010
VSAPI PATTERN Date: 12/22/2010 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 and note files detected as TROJ_BAMITAL.TX

Step 3

Search and delete the file detected as TROJ_BAMITAL.TX

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_BAMITAL.TX. 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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