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Virus Profile: W32/Autorun.bfr!d!C9BE57026C5C

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/25/2012
Date Added: 5/25/2012
Origin: Unknown
Length: 644608
Type: Virus
Subtype: Win32
DAT Required: 6722
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
Length644608 bytes
MD5c9be57026c5c37163009879e1d715d2e
SHA1650e1cb4df0a714652768b569c222076d8d04c03


Other Common Detection Aliases

Company NamesDetection Names
AVG (GriSoft)Generic14.ALXX.dropper
aviraW32/Werle.C
KasperskyWorm.Win32.Hipo.a
BitDefenderWorm.Generic.352474
clamavTrojan.Agent-167065
Dr.WebWin32.HLLP.Autoruner
F-ProtW32/Ristix.A
FortiNetW32/Hipo.A!worm
MicrosoftWorm:Win32/Autorun.gen!AED
SymantecTrojan.Dropper
EsetWin32/Mocalo.NAC worm (probably variant)
normanHipo.A
SophosMal/Generic-E
Trend MicroWORM_STRAT.GEN-3
vba32Win32.HLLW.Autoruner.1874
V-BusterTrojan.Cosmu!cCTh9yEILsE (trojan)
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
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:

650e1cb4df0a714652768b569c222076d8d04c03

The following files have been added to the system:

  • %TEMP%\RESX7824B12A.log
  • C:\autorun.inf
  • %WINDIR%\SYSTEM32\bernie.tmp
  • %TEMP%\RSRC7824B125.RES
  • %WINDIR%\SYSTEM32\WinMain.exe
  • %TEMP%\RESX7824B12A.EXE
  • %WINDIR%\SYSTEM32\bernie.map
  • c:\Users exe File.exe
  • %TEMP%\7824B11ED7D38C9F.TMP
  • %TEMP%\RESX7824B12A.ini
  • %TEMP%\UINC7824B128.EXE
  • C:\AutoRun.exe
The following files were temporarily written to disk then later removed:

  • %TEMP%\rh_16.tmp
  • %TEMP%\RESX7824B124.log
  • %WINDIR%\SYSTEM32\7824B11ED7D38C9F.TMP
  • %TEMP%\RESX7824B124.ini
  • %TEMP%\RESX7824B124.EXE
  • %WINDIR%\SYSTEM32\bernie.exe
  • %TEMP%\KIND7824B123.EXE
  • %TEMP%\RSRC7824B11F.RES
  • %TEMP%\R7824B120.EXE
  • %TEMP%\rh_19.tmp
  • %TEMP%\rh_15.tmp
  • %TEMP%\rh_18.tmp
  • %TEMP%\rh_17.tmp
  • %TEMP%\UINC7824B122.EXE
  • %TEMP%\SPTD7824B121.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.