For Home

Virus Profile: W32/Sdbot.bfr!E8D9E5C6274C

Threat Search
Print
   
Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 6/22/2012
Date Added: 6/22/2012
Origin: Unknown
Length: 2158534
Type: Virus
Subtype: Win32
DAT Required: 6750
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/Sdbot.bfr
Length2158534 bytes
MD5e8d9e5c6274c6d2ae117b7ef89ea9d5c
SHA1328dfe45945a3e555614b8d83624c3d31bab6453


Other Common Detection Aliases

Company NamesDetection Names
AVG (GriSoft)Dropper.Generic3.AEQH.dropper
aviraTR/Dropper.Gen
BitDefenderDropped:Trojan.Generic.KDV.160499
Dr.WebTrojan.DownLoader2.43371
FortiNetW32/Bfr.BZ!tr
Microsofttrojan:win32/ircbrute
SymantecTrojan.ADH
EsetMSIL/Injector.CE trojan (variant)
normanW32/Suspicious_Gen2.LNZZG
pandaGeneric Trojan
Trend MicroTROJ_SPNR.11JT11

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Sdbot.bfr
McAfee SupportedW32/Sdbot.bfr



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:

e8d9e5c6274c6d2ae117b7ef89ea9d5c.amada

The following files have been added to the system:

  • %USERPROFILE%\Local Settings\Application Data\GDIPFONTCACHEV1.DAT
  • %TEMP%\X360.dll
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\log.txt
  • %TEMP%\Le Fluffie.exe
  • %APPDATA%\win32.exe
  • %TEMP%\FFFE07D1
  • %TEMP%\KV.bin
  • %TEMP%\Halo3Tools.dll
  • %ALLUSERSPROFILE%\Application Data\Sys32c.exe
  • %TEMP%\fakeModio.exe
  • %TEMP%\Perflib_Perfdata_5b0.dat
  • %TEMP%\DevComponents.DotNetBar2.dll
The following files were temporarily written to disk then later removed:

  • %TEMP%\nsw1.tmp
The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{CDC0D2CC-FBAA-69E1-FCE1-AECCEDA6D661\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{CDC0D2CC-FBAA-69E1-FCE1-AECCEDA6D661\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\
The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{CDC0D2CC-FBAA-69E1-FCE1-AECCEDA6D661\STUBPATH = %APPDATA%\win32.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\DEFAULTSYSTEM = %ALLUSERSPROFILE%\Application Data\Sys32c.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\WIN32UPDATE = %APPDATA%\win32.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{CDC0D2CC-FBAA-69E1-FCE1-AECCEDA6D661\STUBPATH = %APPDATA%\win32.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\WIN32UPDATE = %APPDATA%\win32.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\WIN32UPDATE = %APPDATA%\win32.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\PERFOS\PERFORMANCE\DISABLE PERFORMANCE COUNTERS = 1
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\DONOTALLOWEXCEPTIONS = 0
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\AUTHORIZEDAPPLICATIONS\LIST\%APPDATA%\WIN32.EXE = %APPDATA%\win32.exe:*:Enabled:Windows Messanger
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\AUTHORIZEDAPPLICATIONS\LIST\%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VBC.EXE = %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger
The applications attempted the following network connection(s):

  • 70.123.203.***:6667
  • 70.123.203.***:6667 (irc) : NICK [USA][XP][5290]
  • 70.123.203.***:6667 (irc) : USER 5290[USA][XP][5290] 109.7027 7[private subnet].8206
   

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.