Modified by: Michael Cabel
ALIASES:

PWS:Win32/OnLineGames.LE (Microsoft); Generic PWS.wa (McAfee); Trojan.Dropper (Symantec); PAK:UPX, Trojan-GameThief.Win32.OnLineGames.bohv (Kaspersky); RiskTool.Win32.ProcessPatcher.Sml!cobra (v) (not malicious) (Sunbelt); Gen:Trojan.Heur.GZ.amGfbWeqnKn (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows 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 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 the initially executed copy of itself.

  TECHNICAL DETAILS

Tamaño del archivo Varies
Tipo de archivo EXE
Residente en memoria No
Fecha de recepción de las muestras iniciales 29 Dec 2011

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 copies of itself into the affected system:

  • %System Root%\{Random Characters}\svohcst.exe

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

It creates the following folders:

  • %System Root%\{Random Characters}

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

Other Details

This spyware connects to the following possibly malicious URL:

  • http://www.{BLOCKED}a.info:1314/asp/china.asp

It deletes the initially executed copy of itself

  SOLUTION

Motor de exploración mínimo 9.200
Primer archivo de patrones de VSAPI 8.674.08
Primera fecha de publicación de patrones de VSAPI 29 Dec 2011
Versión de patrones OPR de VSAPI 8.675.00
Fecha de publicación de patrones OPR de VSAPI 30 Dec 2011

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_ONLING.SMK

Step 3

Search and delete this folder

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\{Random Characters}

Step 4

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