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TSPY_ONLING.VTG

June 06, 2013
 ALIASES:

PWS:Win32/OnLineGames.HI (Microsoft); [000080b0.EXE]:RDN/PWS-Mmorpg!dz, [00009128.EXE]:PWS-OnLineGames.ih (McAfee); Trojan.Gen (Symantec); Trojan-GameThief.Win32.OnLineGames.bnly (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse PSW.OnlineGames3.ANMI (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • 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

File Size:

37,264 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Jun 2013

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.

Other System Modifications

This spyware deletes the following files:

  • %System Root%\del.bat

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
SFCDisable = "ffffff9d"

Dropping Routine

This spyware drops the following files:

  • %User Temp%\2.tmp
  • %System%\systemp
  • %System%\sfcos.dll

(Note: %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.. %System% is the Windows system folder, which is usually C:\Windows\System32.)

Other Details

This spyware deletes itself after execution.

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    • SFCDisable = "ffffff9d"

Step 3

Search and delete these components

[ Learn More ]
There may be some components 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.
  • %User Temp%\2.tmp
  • %System%\systemp
  • %System%\sfcos.dll

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_ONLING.VTG. 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 5

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 Root%\del.bat


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