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Virus Profile: W32/Autorun.worm.beg!CB5880B7309D

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 2/1/2013
Date Added: 2/1/2013
Origin: Unknown
Length: 383488
Type: Virus
Subtype: Win32
DAT Required: 6972
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.beg
Length383488 bytes
MD5cb5880b7309db513feeaa18a510d907e
SHA133cd3d2963d952c33a07bb392ddd6bf08fddccfb


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Malware-gen
AVG (GriSoft)Worm/Generic3.QA.dropper
aviraDR/Delphi.Gen
KasperskyWorm.Win32.Hipo.a
BitDefenderWorm.Generic.352474
clamavPUA.Win32.Packer.PrivateExeProte-15
Dr.WebWin32.HLLP.Autoruner
F-ProtW32/Zbot.I.gen!Eldorado
FortiNetW32/Hipo.A!worm
Microsoftworm:win32/autorun.gen!bt [generic]
SymantecTrojan.Dropper
EsetWin32/Mocalo.NAC worm (probably variant)
normanSB/NetworkWorm
pandaTrj/Genetic.gen
risingWorm.Autorun!457F
SophosMal/Generic-L
Trend MicroWORM_STRAT.GEN-3
vba32BScope.Trojan.CLR.27905
V-BusterI-Worm.Fearso!qiaAnheOcEc (iworm)
Vet (Computer Associates)Win32/R2D2.A

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


ActivitiesRisk Levels
Attempts to create Autorun.inf configuration files on accessible drives that instructs Windows operating systems to run a file when the disk is connected.High
Modifies Windows explorer file browser's Advanced settings. Sometimes used by malware to make executable files look like documents.Medium
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Autorun.worm.beg
McAfee SupportedW32/Autorun.worm.beg



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:

33CD3D2963D952C33A07BB392DDD6BF08FDDCCFB

The following files have been added to the system:

  • C:\autorun.inf
  • %TEMP%\UINC7B745051.EXE
  • %TEMP%\RESX7B745053.log
  • %TEMP%\RESX7B745053.ini
  • %WINDIR%\SYSTEM32\WinMain.exe
  • %WINDIR%\svchost.exe
  • %TEMP%\RESX7B745053.EXE
  • %WINDIR%\kernel.dll
  • C:\AutoRun.exe
  • %TEMP%\RSRC7B74504E.RES
  • c:\Users exe File.exe

The following files were temporarily written to disk then later removed:

  • %TEMP%\RSRC7B745048.RES
  • %TEMP%\rh_12.tmp
  • %TEMP%\rh_E.tmp
  • %TEMP%\rh_F.tmp
  • %TEMP%\R7B745049.EXE
  • %TEMP%\KIND7B74504C.EXE
  • %TEMP%\rh_10.tmp
  • %TEMP%\RESX7B74504D.log
  • %TEMP%\RESX7B74504D.ini
  • %TEMP%\SPTD7B74504A.EXE
  • %TEMP%\UINC7B74504B.EXE
  • %TEMP%\7B745047DF6484F9.TMP
  • %TEMP%\rh_11.tmp
  • %TEMP%\RESX7B74504D.EXE

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\HIDDEN = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\SHOWSUPERHIDDEN = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\SUPERHIDDEN = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\FRAMEWORK = %WINDIR%\SYSTEM32\WinMain.exe 6666

   

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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