TSPY_BANKER.ASV
Windows 2000, XP, Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
TECHNICAL DETAILS
86,016 bytes
DLL
No
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
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
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
- IEHlprObj.IEHlprObj
- In HKEY_CLASSES_ROOT
- IEHlprObj.IEHlprObj.1
- IEHlprObj.IEHlprObj.1
- In HKEY_CLASSES_ROOT\CLSID
- {CE7C3CF0-4B15-11D1-ABED-709549C10000}
- {CE7C3CF0-4B15-11D1-ABED-709549C10000}
- In HKEY_CLASSES_ROOT\Interface
- {CE7C3CEF-4B15-11D1-ABED-709549C10000}
- {CE7C3CEF-4B15-11D1-ABED-709549C10000}
- In HKEY_CLASSES_ROOT\TypeLib
- {CE7C3CE2-4B15-11D1-ABED-709549C10000}
- {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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