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Virus Profile: W32/Autorun.worm.i.gen!04696521DDEB

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 6/8/2012
Date Added: 6/8/2012
Origin: Unknown
Length: 3987804
Type: Virus
Subtype: Win32
DAT Required: 6736
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionW32/Autorun.worm.i.gen
Length3987804 bytes
MD504696521ddebb072d23a5270514d42cd
SHA1f63014110d97a79c95737d30300d9b79adb9ba55


Other Common Detection Aliases

Company NamesDetection Names
AVG (GriSoft)Generic10.TNK
aviraTR/Gendal.6623041.2
KasperskyVirus.Win32.Lamer.el
BitDefenderTrojan.Generic.6801898
clamavTrojan.Cosmu-121
Dr.WebWin32.HLLW.Autoruner.6014
F-ProtW32/Trojan-Gypikon-based.DM2!Maximus
FortiNetW32/VB.NUP!worm
Microsoftworm:win32/vb.at
SymantecW32.Besverit
EsetWin32/VB.NUP worm
normanw32/dloader.abhqy
pandaW32/OverDoom.A
risingTrojan.Win32.VBCode.cea
SophosTroj/DwnLdr-HQY
vba32SIM.Trojan.VBO.0859
V-BusterTrojan.VBGent.Gen.455 (trojan)
Vet (Computer Associates)Win32/AutoRun.AA

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


ActivitiesRisk Levels
Attempts to write to a memory location of a Windows system processHigh
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Autorun.worm.i.gen
McAfee SupportedW32/Autorun.worm.i.gen



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:

f630141[private subnet]37d30300d9b79adb9ba55

The following files have been added to the system:

  • %USERPROFILE%\Templates\winword.exe
  • %WINDIR%\SYSTEM32\option.bat
  • %WINDIR%\SYSTEM32\exceres
  • %USERPROFILE%\Templates\excel4.exe
  • C:\Documents and Settings\Default User\Templates\excel.exe
  • %WINDIR%\system\kavupda.exe
  • %USERPROFILE%\Templates\excel.exe
  • %USERPROFILE%\Templates\winword2.exe
  • %TEMP%\f630141[private subnet]37d30300d9b79adb9ba55.exe
  • C:\ntldr~6
  • %WINDIR%\help\helpcat.exe
  • c:\documents and settings\default user\templates\winword.exe
  • %WINDIR%\regedt32.sys
  • C:\Documents and Settings\Default User\Templates\excel4.exe
  • C:\ntldr~8
  • %TEMP%\~DFC640.tmp
  • c:\documents and settings\default user\templates\winword2.exe
  • %WINDIR%\SYSTEM32\wordres
  • C:\Documents and Settings\Another User\Templates\excel4.exe
  • %WINDIR%\sysinf.bat
  • c:\documents and settings\Another User\templates\winword.exe
  • C:\Documents and Settings\Another User\Templates\excel.exe
  • c:\documents and settings\Another User\templates\winword2.exe
The following files have been deleted:

  • %USERPROFILE%\My Documents\Users Access Database.mdb
  • c:\documents and settings\Another User\templates\winword.doc
  • %USERPROFILE%\Templates\winword.doc
  • %USERPROFILE%\Desktop\Users Access Database.mdb
  • c:\documents and settings\Another User\templates\excel.xls
  • %USERPROFILE%\Templates\excel4.xls
  • c:\documents and settings\default user\templates\excel.xls
  • c:\documents and settings\default user\templates\winword.doc
  • c:\documents and settings\default user\templates\excel4.xls
  • %USERPROFILE%\Templates\excel.xls
  • %USERPROFILE%\Templates\winword2.doc
  • c:\documents and settings\Another User\templates\excel4.xls
  • c:\documents and settings\Another User\templates\winword2.doc
  • c:\documents and settings\default user\templates\winword2.doc
  • C:\Users Access Database.mdb
The following files were temporarily written to disk then later removed:

  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroBroker.exe
  • c:\Users exe File.exe
  • c:\Users exe File.exe
  • c:\Users exe File.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\A3DUtility.exe
The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\360SAFE.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\360TRAY.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\AVP.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\KAVSTART.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RAV.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RAVMOD.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\REGEDIT.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RFWMAIN.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RFWSRV.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\TASKMGR.EXE\
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\HIDEFILEEXT = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\SUPERHIDDEN = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\NODRIVETYPEAUTORUN = 181
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\1 = avp.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\10 = rfwcfg.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\11 = KPFW32.EXE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\12 = KPFW32X.EXE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\13 = KAVPFW.EXE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\14 = KAV32.EXE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\15 = KAVStart.EXE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\2 = RfwMain.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\3 = Rfwsrv.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\4 = RavMoD.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\5 = CCenter.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\6 = RavMon.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\7 = RavStub.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\8 = RavService.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\DISALLOWRUN\9 = Rav.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\360SAFE.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\360TRAY.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\AVP.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\KAVSTART.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RAV.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RAVMOD.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\REGEDIT.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RFWMAIN.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\RFWSRV.EXE\DEBUGGER = D:\RECYCLER\????8.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\TASKMGR.EXE\DEBUGGER = D:\RECYCLER\????8.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.