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TSPY_BANKER.ASV

October 08, 2012
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes


  TECHNICAL DETAILS

File Size:

86,016 bytes

File Type:

DLL

Memory Resident:

No

Initial Samples Received Date:

31 Aug 2010

Autostart Technique

This spyware registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry entries:

HKEY_CLASSES_ROOT\IEHlprObj.IEHlprObj
(Default) = IEHlprObj Class

HKEY_CLASSES_ROOT\IEHlprObj.IEHlprObj\CurVer
(Default) = IEHlprObj.IEHlprObj.1

HKEY_CLASSES_ROOT\IEHlprObj.IEHlprObj.1
(Default) = IEHlprObj Class

HKEY_CLASSES_ROOT\IEHlprObj.IEHlprObj.1\CLSID
(Default) = {CE7C3CF0-4B15-11D1-ABED-709549C10000}

HKEY_CLASSES_ROOT\CLSID\{CE7C3CF0-4B15-11D1-ABED-709549C10000}
(Default) = IEHlprObj Class

HKEY_CLASSES_ROOT\CLSID\{CE7C3CF0-4B15-11D1-ABED-709549C10000}\
InprocServer32
(Default) = {Malware path and file name}.dll

HKEY_CLASSES_ROOT\Interface\{CE7C3CEF-4B15-11D1-ABED-709549C10000}
(Default) = IIEHlprObj

HKEY_CLASSES_ROOT\TypeLib\{CE7C3CE2-4B15-11D1-ABED-709549C10000}\
1.0\0\win32
(Default) = {Malware path and file name}.dll

  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

Close all opened browser windows

Step 3

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CLASSES_ROOT
    • IEHlprObj.IEHlprObj
  • In HKEY_CLASSES_ROOT
    • IEHlprObj.IEHlprObj.1
  • In HKEY_CLASSES_ROOT\CLSID
    • {CE7C3CF0-4B15-11D1-ABED-709549C10000}
  • In HKEY_CLASSES_ROOT\Interface
    • {CE7C3CEF-4B15-11D1-ABED-709549C10000}
  • In HKEY_CLASSES_ROOT\TypeLib
    • {CE7C3CE2-4B15-11D1-ABED-709549C10000}

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_BANKER.ASV. 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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