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PWS-OnlineGames.z!A8D​77E05

This page shows details and results of our analysis on the malware PWS-OnlineGames.z!A8D77E05

Threat Detail

Malware Type: Trojan

Malware Sub-type: Password

Discovery Date: 2008-06-07

Next Steps:

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

5312 (2008-06-06)

Updated DAT

5312 (2008-06-06)

 Minimum Engine

5.2.00

File Length

19915

 Description Added

2008-06-07

Description Modified

2008-06-07

Malware Proliferation

Characteristics

File PropertyProperty Value
File Name3.exe
McAfee DetectionPWS-OnlineGames.z
Length19,915 bytes
CRC32A8D77E05
MD5c34a48ca26c7cf4a82c78ca7b1e4e5a4
SHA1D8A1EF09DFBD702F4E2B95EDBD45B5B1FF3972A5

Other Common Detection Aliases

Company NameDetection Name
AhnLabWin-Trojan/OnlineGameHack.19915.B
AvastWin32:OnLineGames-DQP [Trj]
AVG (GriSoft)PSW.OnlineGames.ARHR
AviraTR/Crypt.XDR.Gen
BitDefenderTrojan.PWS.OnlineGames.YXJ
Dr.WebTrojan.PWS.Gamania.10711
eSafe (Alladin)Suspicious File [104]
FortiNetW32/OnlineGames.D7A8!tr
F-ProtW32/Nilage.gen!GSA
KasperskyTrojan-PSW.Win32.OnLineGames.akxt
MicrosoftTrojanDropper:Win32/Tilcun.C
Normanw32/suspicious_u.gen
RisingTrojan.PSW.Win32.GameOL.nvc
SophosMal/Dorf-A
SymantecInfostealer.Gampass
Trend MicroTROJ_ZLOB.LN
Vba32Trojan-PSW.Win32.OnLineGames.akxt
V-Buster~NEW_VIRUS
Vet (Computer Associates)
Win32/Tilcun!generic

Avert® Labs has observed the following system activities:

ActivityRisk Level
Hijacks an Executables Execution
High
Modifies Memory of Other Processes
High
Enumerates running Processes
Medium
Enumerates open windows
Low
Writes Executable in the Windows Folder
Low
Registers DLLsInformational

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:

  • %WINDIR%\system32\mfdesy.dll
    • %WINDIR%\system32\mfdesy.dll.log

        • The following registry elements have been created:

      • HKEY_LOCAL_MACHINE\software\classes\clsid\{dc3d30ae-0380-4151-8934-ee98a34b0370}\
        • (default) = microsoft
      • HKEY_LOCAL_MACHINE\software\classes\clsid\{dc3d30ae-0380-4151-8934-ee98a34b0370}\inprocserver32\
        • (default) = c:\windows\system32\mfdesy.dll
        • 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.

        Variants

        United States - English