W32/Duel!8386E33068A5

This page shows details and results of our analysis on the malware W32/Duel!8386E33068A5

Overview

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.


Minimum Engine

5600.1067

File Length

43520

Description Added

2013-06-22

Description Modified

2013-06-22

Malware Proliferation

Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionW32/Duel
Length43520 bytes
MD58386e33068a5ece89a24d61b56744693
SHA1229c9693aa67a0b984fb98fef44a0cac8697463f


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWorm/Win32.Mixor
avastWin32:Malware-gen
AVG (GriSoft)I-Worm/Luder.A
aviraWORM/Zhelatin.Gen
BitDefenderDeepScan:Generic.Malware.SIM!g.EF15E132
clamavPUA.Win32.Packer.Pearmor-4
F-ProtW32/Mixor.A
FortiNetW32/LoveLetter.JK!tr
Microsoftvirus:win32/duel.a@mm
SymantecW32.Mixor
EsetWin32/LoveLetter
normanwin32/XWorm.A
risingTrojan.Win32.Generic.14A4B2C1
SophosMal/EncPk-JK
Trend MicroMal_Xed-3
vba32Virus.Win32.Luder.A
V-BusterTrojan.Agent!66sFcS6GR18 (trojan)

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


ActivitiesRisk Levels
Attempts to write file to shared locations.Low
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Duel
McAfee SupportedW32/Duel



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:

229C9693AA67A0B984FB98FEF44A0CAC8697463F

The following files have been added to the system:

  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\rzqyjaaar.iza
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\byjayayar.abr
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\yqyajqiaq.jjr
  • %WINDIR%\Microsoft.NET\Framework\yqyajqiaq.jjr
  • %PROGRAMFILES%\MSN\MSNCoreFiles\yqyajqiaq.jjryayar.abr
  • C:\bijrazyiy.aib
  • %COMMONPROGRAMFILES%\Adobe\Updater6\zbzbyqqjb.yjz
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\yqyajqiaq.jjr
  • C:\byjayayar.abr
  • C:\zbzbyqqjb.yjz
  • %PROGRAMFILES%\MSN\MSNCoreFiles\Setup\rzqyjaaar.izaabr
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\rrrziiirr.qyr
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\yqyajqiaq.jjr
  • C:\abrrararq.qjy
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\byjayayar.abr
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\rrrziiirr.qyr
  • %TEMP%\bzqbyr.irq
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\rzqyjaaar.iza
  • C:\rzqyjaaar.iza
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\zbzbyqqjb.yjz
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\iazzzarib.yqa
  • %WINDIR%\ehome\rrrziiirr.qyr
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\byjayayar.abr
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\iazzzarib.yqa
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\bijrazyiy.aib
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\yqyajqiaq.jjr
  • %PROGRAMFILES%\Messenger\byjayayar.abr
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\rrrziiirr.qyr
  • %COMMONPROGRAMFILES%\Microsoft Shared\DW\byjayayar.abr
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\rzqyjaaar.iza
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\zbzbyqqjb.yjz
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\byjayayar.abr
  • %PROGRAMFILES%\MSN\MSNCoreFiles\rrrziiirr.qyrar.izaabr
  • C:\yqyajqiaq.jjr
  • %PROGRAMFILES%\Windows NT\abrrararq.qjy
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\abrrararq.qjy
  • C:\rrrziiirr.qyr
  • C:\iazzzarib.yqa
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\rzqyjaaar.iza
  • %PROGRAMFILES%\MSN\MSNCoreFiles\iazzzarib.yqayayar.abr
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\zbzbyqqjb.yjz
  • %COMMONPROGRAMFILES%\Microsoft Shared\Source Engine\abrrararq.qjy
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\iazzzarib.yqa
  • %PROGRAMFILES%\MSN\MSNCoreFiles\bijrazyiy.aibyayar.abr
  • %WINDIR%\xwrm.exe
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\abrrararq.qjy
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\abrrararq.qjy
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\bijrazyiy.aib
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\abrrararq.qjy
  • %PROGRAMFILES%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-[private subnet]-A92000000001}\bijrazyiy.aib

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\X32X = %WINDIR%\xwrm.exe

Symptoms

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

Method of Infection

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

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