TSPY_BANKER.LOE
Trojan:Win32/PossibleMalware.A, Trojan:Win32/PossibleMalware.A (Microsoft); RDN/Generic PWS.y!b2p (McAfee); Trojan Horse (Symantec); Trojan-Dropper.Win32.Agent.liys (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Generic_r.DZQ.dropper (AVG)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes itself after execution.
TECHNICAL DETAILS
Arrival Details
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This spyware creates the following folders:
- %Program Files%\Common Files\Plugins
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
Autostart Technique
This spyware registers as a system service to ensure its automatic execution at every system startup by adding the following registry keys:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\V3Vate\Parameters
Other System Modifications
This spyware adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\SvcHost
V3Vate = "V3Vate"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
Description = "Vate mornitor for V3 AntiVirius"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
DisplayName = "V3 Vate"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
ErrorControl = "1"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
Group = "Com Infrastructure"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
ObjectName = "LocalSystem"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
Start = "2"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
Type = "1"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
FailureAction = "{random values}"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate
ImagePath = "%SystemRoot%\system32\svchost -k V3Vate"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate\Parameters
ServiceDll = "%System%\V3Vate32.dll"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\V3Vate\Parameters
ServiceMain = "UnicodeMain"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
DataAccess
xyz = "{malware path and file name}"
Dropping Routine
This spyware drops the following files:
- %System%\V3Vate32.dll
- %Program Files%\Common Files\Plugins\index.txt
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
Other Details
This spyware connects to the following possibly malicious URL:
- http://xsshy.{BLOCKED}s.com/index.txt
- {BLOCKED}.155.66
It deletes itself after execution.
This report is generated via an automated analysis system.
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Restart in Safe Mode
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_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\V3Vate
- Parameters
Step 4
Delete this registry value
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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SvcHost
- V3Vate = "V3Vate"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- Description = "Vate mornitor for V3 AntiVirius"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- DisplayName = "V3 Vate"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- ErrorControl = "1"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- Group = "Com Infrastructure"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- ObjectName = "LocalSystem"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- Start = "2"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- Type = "1"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- FailureAction = "{random values}"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate
- ImagePath = "%SystemRoot%\system32\svchost -k V3Vate"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate\Parameters
- ServiceDll = "%System%\V3Vate32.dll"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\V3Vate\Parameters
- ServiceMain = "UnicodeMain"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DataAccess
- xyz = "{malware path and file name}"
Step 5
Search and delete these components
- %System%\V3Vate32.dll
- %Program Files%\Common Files\Plugins\index.txt
Step 6
Search and delete this folder
- %Program Files%\Common Files\Plugins
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_BANKER.LOE. 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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