Virus Profile: Generic PWS.y!1x3!94DD5ACE3357

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 12/30/2012
Date Added: 12/30/2012
Origin: Unknown
Length: 117760
Type: Trojan
Subtype: -
DAT Required: 6941
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric PWS.y!1x3
Length117760 bytes
MD594dd5ace3357997aab957278c2ed6f44
SHA1994a5d825ef5ab58f0751af3dcbc58fc22968ab1


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin-Trojan/Onlinegamehack5.Gen
avastWin32:Fret
AVG (GriSoft)Win32/Heur
aviraTR/Crypt.ASPM.Gen
Dr.WebTrojan.PWS.Wsgame.13295
eSafe (Alladin)Suspicious file
Microsoftworm:win32/taterf.b
SymantecTrojan.Gen
EsetWin32/PSW.OnLineGames.OUM
normanw32/suspicious_gen2.emdtw
risingTrojan.Win32.Mian007.a
SophosMal/Taterf-B
Trend MicroMal_Tater
vba32Trojan.BlackSheet.xl

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Attempts to load and execute remote code in explorer processHigh
Attempts to write to a memory location of a protected process.High
Attempts to write instructions that detour an existing code path of a previously loaded process.High
Attempts to write to a memory location of a Windows system processHigh
Attempts to load and execute remote code in a previously loaded processMedium
Enumerates many system files and directories.Low
Enumerates process listLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric PWS.y!1x3
McAfee SupportedGeneric PWS.y!1x3



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

994A5D825EF5AB58F0751AF3DCBC58FC22968AB1

The following files have been added to the system:

  • %TEMP%\dsoqq.exe
  • %TEMP%\dsoqq0.dll

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\HIDDEN = 2
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\SHOWSUPERHIDDEN = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\NODRIVETYPEAUTORUN = 145
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\DSO32 = %TEMP%\dsoqq.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\FOLDER\HIDDEN\SHOWALL\CHECKEDVALUE = 0

   

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.

   

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