For Consumer

Virus Profile: BackDoor-DVB.gen.w!52B079AC636F

Threat Search
Print
   
Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 11/17/2012
Date Added: 11/17/2012
Origin: Unknown
Length: 208896
Type: Trojan
Subtype: Remote Access
DAT Required: 6899
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 DetectionBackDoor-DVB.gen.w
Length208896 bytes
MD552b079ac636f3407b743623f3a6fc33f
SHA153d5af2f9b0a1cafc94da1a60b17d72b2f751aca


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Agent-AQGZ
AVG (GriSoft)Generic22.BIZV
aviraBDS/Dedipros.AB
BitDefenderTrojan.Generic.6425881
clamavWorm.Palevo-24632
Dr.WebWin32.HLLW.Lime.1963
FortiNetW32/Piegon.AAAB!tr
Microsoftbackdoor:win32/morix.b
EsetWin32/Agent.OOK trojan (variant)
normanw32/swisyn.cb
pandaGeneric Trojan
risingTrojan.Win32.Redosdru.am
SophosMal/Redos-I
Trend MicroBKDR_TRATS.SMUJ
vba32Worm.Palevo.drng
Vet (Computer Associates)Win32/Gosht.AY

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaBackDoor-DVB.gen.w
McAfee SupportedBackDoor-DVB.gen.w



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:

53d5af2f9b0a1cafc94da1a60b17d72b2f751aca

The following files have been added to the system:

  • %WINDIR%\V2011.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\SVCHOST.SCR
  • %WINDIR%\SYSTEM32\2012[private subnet]
  • %TEMP%\2011.exe

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SYSTEM\INFOTIME\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\V2011 = %WINDIR%\V2011.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = [binary data]
  • HKEY_LOCAL_MACHINE\SYSTEM\INFOTIME\INFOTIME = 20110301

The applications attempted the following network connection(s):

  • 221.211.127.***:80

   

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.