TROJ_GAMETHI.SDB
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
It monitors web browsers and steal user credentials related to gaming sites.
This spyware may be dropped by other malware.
It steals sensitive information such as user names and passwords related to certain games.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
102,400 bytes
DLL
Yes
10 Jul 2011
Steals information
Arrival Details
This spyware may be dropped by other malware.
Installation
This spyware is injected into the following processes running in memory:
- Iexplore.exe
- Explorer.exe
It terminates itself if it finds the following processes in the affected system's memory:
- ALYac.aye
- AyAgent.aye
- SkyMon.exe
- SystemMon.exe
- V3Light.exe
- V3LSvc.exe
- V3LTray.exe
Dropping Routine
This spyware drops the following files wherein it saves the information it gathers:
- %System%\AionLog.ini
- %System%\DfLog.ini
- %System%\FFLog.ini
- %System%\GameLog.ini
- %System%\hangame.ini
- %System%\LuoqiLog.ini
- %System%\MXDLog.ini
- %System%\pmangLog.ini
- %System%\TianyiLog.ini
- %Windows%\DarkBloodLog.ini
- %Windows%\FBloodLog.ini
- %Windows%\HEAVLog.ini
- %Windows%\it1.ini
- %Windows%\maestia.ini
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.. %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
Information Theft
This spyware steals sensitive information such as user names and passwords related to the following games:
- DarkBlood.exe
- dnf.exe
- ExLauncher.exe
- ff2client.exe
- Game.exe
- heroes.exe
- lin.bin
- LOB.exe
- MapleStory.exe
- OTP
- TERA.exe
Other Details
This spyware requires its main component to successfully perform its intended routine.
NOTES:
This malware is usually dropped as %System%\imm32.DLL. A legitimate imm32.DLL exists in the said folder, thus it is replaced by this malicious file.
It also monitors the Internet browser of the affected system to steal user credentials form the following gaming sites:
- lineage.plaync.co.kr
- hangame.com
- aion.plaync.co.kr
- bm.ndoors.com
- pmang.com
- www.netmarble.net
- login.netmarble.net
- maestia.ndolfin.com
- heva.windyzone.com
SOLUTION
8.900
8.277.00
10 Jul 2011
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
Scan your computer with your Trend Micro product and note files detected as TROJ_GAMETHI.SDB
Step 3
Restart in Safe Mode
Step 4
Search and delete the file detected as TROJ_GAMETHI.SDB
Step 5
Search and delete these files
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_GAMETHI.SDB. 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.
Step 7
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again. %System%\imm32.dll
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