Analysis by: Rhena Inocencio
ALIASES:

PWS:Win32/OnLineGames.LH (Microsoft), Trojan.Gen (Symantec), probably a variant of Win32/PSW.OnLineGames.PYU trojan (ESET)

 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 requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size: 46,080 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 21 Aug 2012

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 is injected into the following processes running in memory:

  • chrome.exe
  • explorer.exe
  • firefox.exe
  • iexplore.exe

Download Routine

This spyware accesses the following websites to download files:

  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120540.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120539.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120538.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120537.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120536.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120535.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120534.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120533.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120532.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120531.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120530.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120529.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120528.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120527.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120526.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120525.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120524.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120523.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120522.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120521.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120520.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120519.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120518.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120516.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120515.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120514.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120513.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120512.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120511.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120510.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120509.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120508.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120507.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120506.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120505.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120504.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120503.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120502.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/120501.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/hg0012.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/pm0012.gif
  • http://www.{BLOCKED}r.co.kr/bbs2/data/event/nm0012.gif

Other Details

This spyware connects to the following possibly malicious URL:

  • http://www.{BLOCKED}s.com/up/board.asp
  • http://www.{BLOCKED}s.com/up/otp.asp
  • http://www.{BLOCKED}s.com/mypage/board.php
  • http://www.{BLOCKED}s.com/bbs/view_info1.php

It requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 9.338.04
FIRST VSAPI PATTERN DATE: 21 Aug 2012
VSAPI OPR PATTERN File: 9.339.00
VSAPI OPR PATTERN Date: 22 Aug 2012

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.NQP

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TSPY_ONLINEG.NQP

[ 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.NQP. 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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