PWS-QQGame!3C925D85

This page shows details and results of our analysis on the malware PWS-QQGame!3C925D85

Download Current DAT: 6616

Threat Detail

Malware Type: Trojan

Malware Sub-type: Password

Discovery Date: 2008-06-25

Next Steps:

Overview
Characteristics
Symptoms
Method of Infection
Removal

Overview

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Minimum DAT

5324 (2008-06-24)

Updated DAT

5324 (2008-06-24)

Minimum Engine

5.2.00

File Length

30830

Description Added

2008-06-25

Description Modified

2008-06-25

Malware Proliferation

Characteristics

File Property	Property Value
File Name	d29.exe
McAfee Detection	PWS-QQGame
Length	30,830 bytes
CRC32	3C925D85
MD5	21883551E9FAE0EDC29B192D14C989DC
SHA1	B482AD7033E9E11239562AC79A786B4A8D7B5E21

Other Common Detection Aliases

Company Name	Detection Name
AVG (GriSoft)	psw.generic6.pfp
Norman	w32/malware.czxb
Symantec	Infostealer.Qphook

Avert® Labs has observed the following system activities:

Activity	Risk Level
Hijacks an Executables Execution	High
Modifies Memory of Other Processes	High
Enumerates open windows	Low
Registers DLLs	Informational

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files have been added to the system:

%PROGRAMFILES%\internet explorer\plugins\unixsys08.sys

%PROGRAMFILES%\internet explorer\plugins\unixsys32.jmp

The following registry elements have been created:

HKEY_CURRENT_USER\software\tencent\unix\

eo9 = kk

HKEY_LOCAL_MACHINE\software\classes\clsid\{74381dec-d78b-43e4-ba5d-5244f669ebe4}\inprocserver32\

(default) = c:\program files\internet explorer\plugins\unixsys08.sys
threadingmodel = apartment

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

Removal

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.