Windows 2000, XP, Server 2003
This Trojan may be downloaded by other malware/grayware from remote sites.
As of this writing, the said sites are inaccessible.
It steals sensitive information such as user names and passwords related to certain games.
It creates an event. It deletes itself after execution.
Arrival Details
This Trojan may be downloaded by the following malware/grayware from remote sites:
Installation
This Trojan drops the following copies of itself into the affected system:
It injects itself into the following processes as part of its memory residency routine:
Autostart Technique
This Trojan modifies the following entry(ies) to allow itself to run on safe mode:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
Userinit = %system%\userinit.exe,aoots.exe
(Note: The default value data of the said registry entry is %system%\userinit.exe,.)
Process Termination
This Trojan terminates the following processes if found running in the affected system's memory:
Download Routine
This Trojan connects to the following URL(s) to download its component file(s):
As of this writing, the said sites are inaccessible.
Information Theft
This Trojan steals sensitive information such as user names and passwords related to the following games:
Other Details
This Trojan does the following:
It creates the following event(s):
It deletes itself after execution.
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
Restore this modified 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.
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_GAMETHI.FMS. 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.