Analysis by: Christopher Daniel So
ALIASES:

W32/Bamital.dll (McAfee), Backdoor.Win32.Shiz.arr (Kaspersky), W32/Bamital.EZ trojan (Nod32)

 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be dropped by other malware.

It is used to load and execute a file.

  TECHNICAL DETAILS

File Size: Varies
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 25 Jan 2011

Arrival Details

This Trojan may be dropped by the following malware:

  • TROJ_BAMITAL.QUE

Other Details

This Trojan is used to load and execute the following file:

  • %System%\dll - detected as BKDR_BAMITAL.SMZ

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

  SOLUTION

Minimum Scan Engine: 8.900

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_BAMITAL.SMY. 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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