This malware was found to be hosted on certain compromised South Korean websites. Aside from stealing credentials from specific online games, it also downloads a backdoor detected as BKDR_TENPEQ.SM.
To get a one-glance comprehensive view of the behavior of this Spyware, refer to the Threat Diagram shown below.
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 steals sensitive information such as user names and passwords related to certain games.
It requires its main component to successfully perform its intended routine.
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 drops the following component file(s):
- %Windows%\setupball.bmp - encrypted dll file(detected as TSPY_ONLINEG.OMU when decrypted)
- %Windows%\version.dat
- %Windows%\wintmp.dat
- %Windows%\winurl.dat
- %User Temp%\del{random}.bat - deletes the initiial copy of the malware, deletes the batch file itself, and renames an existing olesau32.dll(malware copy)
(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
It injects codes into the following process(es):
Process Termination
This spyware terminates the following processes if found running in the affected system's memory:
- V3LTray.exe
- V3LSvc.exe
- V3Light.exe
- V3LRun.exe
Dropping Routine
This spyware drops the following files wherein it saves the information it gathers:
Download Routine
This spyware connects to the following URL(s) to download its component file(s):
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120547.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120546.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120545.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120544.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120543.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120542.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120541.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120540.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120539.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120538.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120537.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120536.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120535.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120534.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120533.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120532.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120531.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120530.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120529.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120528.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120527.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120526.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120525.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120524.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120523.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120522.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120521.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120520.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120519.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120518.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120516.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120515.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120514.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120513.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120512.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120511.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120510.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120509.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120508.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120507.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120506.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120505.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120504.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120503.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120502.gif
- http://www.{blocked}r.{blocked}o.kr/bbs2/data/event/120501.gif
Trend Micro detects the dowloaded file as:
Information Theft
This spyware steals sensitive information such as user names and passwords related to the following games:
- DKonline.exe
- DuelPoker.exe
- PMClient.exe
- NMWizard24.exe
- heroes.exe
- Poker.exe
- HgSel.exe
- NGM.exe
- ArcheAge.exe
- fifazf.exe
- client.exe
- KRITIKA_Client.exe
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- www.{BLOCKED}la.com/up/otp.asp
Other Details
This spyware requires its main component to successfully perform its intended routine.
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
Scan your computer with your Trend Micro product and note files detected as TSPY_ONLINEG.OMU
Step 3
Remove malware/grayware files dropped/downloaded by TSPY_ONLINEG.OMU
Step 4
Identify and delete files detected as TSPY_ONLINEG.OMU using the Recovery Console
[ Learn More ]
[ back ]
To identify and delete of malware/grayware files:
- Insert your Windows Installation CD in your CD-rom.
- Press the restart button of your computer.
- When prompted, press any key to boot from the CD.
- When prompted on the Main Menu, type r to enter the recovery console.
(Note: On Windows 2000, after pressing r, type c to choose the Recovery Console in the repair options screen.) - When prompted, type your administrator password to log on.
- Once logged in, type the drive that contains Windows in the command prompt that appears, then press Enter.
- Type the drive that contains Windows, then press Enter.
- Type the following, then press Enter:
del {malware/grayware path and file name} - Repeat the above procedure for all files detected earlier.
- Type exit to restart the system.
Step 5
Search and delete these files
[ Learn More ]
[ back ]
There may be some files that are hidden. Please make sure you check the
Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
- %Windows%\setupball.bmp
- %Windows%\version.dat
- %Windows%\wintmp.dat
- %Windows%\winurl.dat
- d3d8d{number}.ini
To delete malware/grayware files:
- Search for the following files:
- %Windows%\setupball.bmp
- %Windows%\version.dat
- %Windows%\wintmp.dat
- %Windows%\winurl.dat
- d3d8d{number}.ini
Note: To do a search for the following files, right-click Start then click Search... or Find..., depending on the version of Windows you are running. For each file to be deleted, type its file name in the Named input box. In the Look In drop-down list, select My Computer, then press Enter. - Once located, select the file then press SHIFT+DELETE to permanently delete the file.
- Repeat the said steps for all files listed.
Step 6
Scan your computer with your Trend Micro product to delete files detected as TSPY_ONLINEG.OMU. 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.
Did this description help? Tell us how we did.