Analysis by: Michael Cabel
ALIASES:

PWS:Win32/Frethog.F (Microsoft); Trojan-GameThief.Win32.Magania.dibg (Kaspersky)

 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 may be dropped by other malware. It arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size: 83,456 bytes
File Type: DLL
File Compression: Aspack
Initial Samples Received Date: 16 Mar 2011
Payload: Terminates processes

Arrival Details

This spyware may be dropped by other malware.

It arrives as a component bundled with malware/grayware packages.

Installation

This spyware is injected into the following processes running in memory:

  • Explorer.exe

Process Termination

This spyware terminates the following processes if found running in the affected system's memory:

  • ALUSCHEDULERSVC.EXE
  • ASHDISP.EXE
  • AVGNT.EXE
  • AVGRSX.EXE
  • AVP.EXE
  • CCSVCHST.EXE
  • EKRN.EXE
  • LIVESRV.EXE
  • SfFnUp.exe
  • UFSEAGNT.EXE
  • UfUpdUi.exe
  • VCRMON.EXE
  • VSTSKMGR.EXE
  • avgupd.exe
  • luall.exe
  • mcupdate.exe
  • preupd.exe
  • svchost.exe
  • update.exe

NOTES:

Information Theft Routine

This spyware monitors the following URLs in an attempt to steal user credentials:

  • arad.hangame.co.jp
  • member.gungho.jp
  • www.arad.jp

It monitors the following processes related to online games to steal user account information:

  • ARAD.exe
  • Atlantica.exe
  • cabalmain.exe
  • coc.exe
  • InphaseNXD.EXE
  • maplestory.exe
  • pol.exe
  • Ragexe.exe
  • red stone.exe

It attempts to capture Yahoo! account login credentials whenever the following URLs are accessed:

  • https://login.yahoo.co.jp/config/login_verify2?.src=ym
  • https://login.yahoo.co.jp/config/login?

It monitors traffic going to the following IP addresses:

  • {BLOCKED}.94.145
  • {BLOCKED}.94.146
  • {BLOCKED}.94.147
  • {BLOCKED}.94.148
  • {BLOCKED}.94.149
  • {BLOCKED}.94.150
  • {BLOCKED}.94.151
  • {BLOCKED}.94.152
  • {BLOCKED}.94.153
  • {BLOCKED}.94.154
  • {BLOCKED}.95.128
  • {BLOCKED}.95.130
  • {BLOCKED}.95.132
  • {BLOCKED}.95.134
  • {BLOCKED}.95.136
  • {BLOCKED}.95.138
  • {BLOCKED}.95.140
  • {BLOCKED}.95.142
  • {BLOCKED}.95.144
  • {BLOCKED}.95.146
  • {BLOCKED}.95.148
  • {BLOCKED}.95.150
  • {BLOCKED}.95.152
  • {BLOCKED}.95.154
  • {BLOCKED}.95.156
  • {BLOCKED}.95.158
  • {BLOCKED}.95.160

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 7.928.03
FIRST VSAPI PATTERN DATE: 27 Mar 2011
VSAPI OPR PATTERN File: 7.929.00
VSAPI OPR PATTERN Date: 27 Mar 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 TSPY_ONLINEG.VLD

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TSPY_ONLINEG.VLD

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 5

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