TROJ_VB.KIG
Trojan:Win32/ServStart.gen!B (Microsoft)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It modifies the Internet Explorer Zone Settings.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
Arrival Details
This Trojan 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 Trojan drops the following copies of itself into the affected system:
- %Program Files%\Windows Media Player\comine.exe
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Windows = "%Program Files%\Windows Media Player\comine.exe"
Other System Modifications
This Trojan adds the following registry entries:
HKEY_CLASSES_ROOT\yali
(Default) = "daohang"
HKEY_CLASSES_ROOT\yali
id = "1"
HKEY_CLASSES_ROOT\yali
mac = "{mac address}"
Web Browser Home Page and Search Page Modification
This Trojan modifies the Internet Explorer Zone Settings.
Other Details
This Trojan connects to the following possibly malicious URL:
- http://www.{BLOCKED}code.com/tj/g.asp?id={number}&mac={mac address}
It deletes the initially executed copy of itself
SOLUTION
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
Restart in Safe Mode
Step 3
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\CurrentVersion\Run
- Windows = "%Program Files%\Windows Media Player\comine.exe"
- Windows = "%Program Files%\Windows Media Player\comine.exe"
- In HKEY_CLASSES_ROOT\yali
- (Default) = "daohang"
- (Default) = "daohang"
- In HKEY_CLASSES_ROOT\yali
- id = "1"
- id = "1"
- In HKEY_CLASSES_ROOT\yali
- mac = "{mac address}"
- mac = "{mac address}"
Step 4
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
- yali
- yali
Step 5
Reset Internet security settings
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_VB.KIG. 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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