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Virus Profile: W32/Wabot!11F90EB8ABC2

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 3/26/2013
Date Added: 3/27/2013
Origin: Unknown
Length: 1662039
Type: Trojan
Subtype: Win32
DAT Required: 7025
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Indication of Infection

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

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionW32/Wabot
Length1662039 bytes
MD511f90eb8abc234799be807c927fc63e0
SHA1c3220b86e6a9451cb2de0d18b9d6cf4c69d3262f


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWorm/Win32.IRCBot
avastWin32:Wabot
AVG (GriSoft)BackDoor.Wabot.A
aviraTR/Dldr.Delphi.Gen
KasperskyBackdoor.Win32.Wabot.a
Dr.WebTrojan.MulDrop2.11051
FortiNetW32/Wabot.A!tr
Microsoftbackdoor:win32/wabot.a
SymantecTrojan.Gen
EsetNewHeur_PE
normanW32/Delf.FHWF
SophosTroj/Luiha-M
Trend MicroBKDR_WABOT.SMIA
vba32BackDoor.Wabot.A

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
Modifies winlogon configuration settings in registryMedium
Adds or modifies winlogon shell registry value. Could be used to launch a program on startup.Medium
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Wabot
McAfee SupportedW32/Wabot



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:

C3220B86E6A9451CB2DE0D18B9D6CF4C69D3262F

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\DC++ Share\MSOICONS.exe
  • %WINDIR%\SYSTEM32\DC++ Share\listdlls.exe
  • C:\marijuana.txt
  • %WINDIR%\SYSTEM32\DC++ Share\MSOXMLED.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AdobeCollabSync.exe
  • %WINDIR%\SYSTEM32\xdccPrograms\goat.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AdobeARM.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AcroRd32.exe
  • %WINDIR%\SYSTEM32\DC++ Share\mfefire.exe
  • %WINDIR%\SYSTEM32\DC++ Share\PDFPrevHndlrShim.exe
  • %WINDIR%\SYSTEM32\xdccPrograms\Network Setup Wizard.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AcrobatUpdater.exe
  • %WINDIR%\SYSTEM32\DC++ Share\DWTRIG20.exe
  • %WINDIR%\SYSTEM32\DC++ Share\OINFOP11.exe
  • %WINDIR%\SYSTEM32\DC++ Share\poweroff.exe
  • %WINDIR%\SYSTEM32\DC++ Share\LogTransport2.exe
  • %WINDIR%\SYSTEM32\DC++ Share\A3DUtility.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AdobeARMHelper.exe
  • %WINDIR%\SYSTEM32\DC++ Share\netstatp.exe
  • %WINDIR%\SYSTEM32\DC++ Share\msinfo32.exe
  • %WINDIR%\SYSTEM32\DC++ Share\lads.exe
  • %WINDIR%\SYSTEM32\DC++ Share\Setup.exe
  • %WINDIR%\SYSTEM32\DC++ Share\mfevtps.exe
  • %WINDIR%\SYSTEM32\xdccPrograms\CALC.exe
  • %WINDIR%\SYSTEM32\DC++ Share\DW20.exe
  • %WINDIR%\SYSTEM32\DC++ Share\MSPVIEW.exe
  • %WINDIR%\SYSTEM32\xdccPrograms\jsc.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AcroTextExtractor.exe
  • %WINDIR%\SYSTEM32\DC++ Share\ReaderUpdater.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AcroBroker.exe
  • %WINDIR%\SYSTEM32\DC++ Share\reader_sl.exe
  • %WINDIR%\SYSTEM32\DC++ Share\LaunchIESearch.exe
  • %WINDIR%\SYSTEM32\sIRC4.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AdobeUpdaterInstallMgr.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AcroRd32Info.rar
  • %WINDIR%\SYSTEM32\DC++ Share\Adobe_Updater.exe
  • %WINDIR%\SYSTEM32\DC++ Share\NOTEPAD.exe
  • %WINDIR%\SYSTEM32\DC++ Share\Eula.exe
  • %WINDIR%\SYSTEM32\DC++ Share\mfehips.exe
  • %WINDIR%\SYSTEM32\DC++ Share\AcroRd32Info.exe
  • %WINDIR%\SYSTEM32\xdccPrograms\createcleansnapshot.exe
  • %WINDIR%\SYSTEM32\DC++ Share\MSPVIEW.rar

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

  • %WINDIR%\SYSTEM32\DC++ Share\AdobeCollabSync.rar
  • C:\rar.bat

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\WINRAR\FILELIST\FILECOLUMNWIDTHS\MTIME = 100
  • HKEY_CURRENT_USER\SOFTWARE\WINRAR\FILELIST\FILECOLUMNWIDTHS\NAME = 120
  • HKEY_CURRENT_USER\SOFTWARE\WINRAR\FILELIST\FILECOLUMNWIDTHS\SIZE = 80
  • HKEY_CURRENT_USER\SOFTWARE\WINRAR\FILELIST\FILECOLUMNWIDTHS\TYPE = 120
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = Explorer.exe sIRC4.exe

   

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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