Analysis by: Michael Cabel

 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This spyware may be unknowingly downloaded by a user while visiting malicious websites. It may be dropped by other malware.

It executes then deletes itself afterward. The dropped file is injected in all running processes.

It steals sensitive information such as user names and passwords related to certain games.

  TECHNICAL DETAILS

File Size: 77,475 bytes
File Type: PE
Memory Resident: Yes
Initial Samples Received Date: 16 Mar 2008

Arrival Details

This spyware may be unknowingly downloaded by a user while visiting malicious websites.

It may be dropped by the following malware:

  • TROJ_DROPPER.QHP

Installation

This spyware drops the following component file(s):

  • %Windows%\Debug\0C9C4681802F.dll - also detected as TSPY_ONLINEG.HQR

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

It drops the following copies of itself into the affected system:

  • %Windows%\Debug\0C9C4681802F.exe

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

It executes then deletes itself afterward.

The dropped file is injected in all running processes.

Autostart Technique

This spyware adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CLASSES_ROOT\CLSID\{083A5F21-BCB9-4B21-A121-2584BEEFBFEF}\
InProcServer32
(Default) = "%Windows%\Debug\0C9C4681802F.dll"

Other System Modifications

This spyware adds the following registry entries as part of its installation routine:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
ShellExecuteHooks
{083A5F21-BCB9-4B21-A121-2584BEEFBFEF} = ""

Information Theft

This spyware steals sensitive information such as user names and passwords related to the following games:

  • MapleStory

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 05.164.45
FIRST VSAPI PATTERN DATE: 16 Mar 2008

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

Remove malware files dropped/downloaded by TSPY_ONLINEG.HQR

     TROJ_DROPPER.QHP

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Delete this registry value

[ Learn More ]

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\Explorer\ShellExecuteHooks
    • {083A5F21-BCB9-4B21-A121-2584BEEFBFEF} =

Step 5

Delete this registry key

[ Learn More ]

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\CLSID
    • {083A5F21-BCB9-4B21-A121-2584BEEFBFEF}

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_ONLINEG.HQR. 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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