RDN/Generic BackDoor!zb!D968F07A3​D06

This page shows details and results of our analysis on the malware RDN/Generic BackDoor!zb!D968F07A3D06

Overview

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.


Minimum Engine

5600.1067

File Length

282624

Description Added

2014-07-15

Description Modified

2014-07-15

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic BackDoor!zb
Length282624 bytes
MD5d968f07a3d06bcdaac244c2005f35f94
SHA1ee3c69a6468d6f0127bf676037b10304ca1b3b02


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareTrojan.GenericKD.1760236 (B)
AVG (GriSoft)MSIL4.SLK
aviraTR/Injector.ejc.5
KasperskyBackdoor.Win32.DarkKomet.dcwd
BitDefenderTrojan.GenericKD.1760236
Dr.WebBackDoor.Comet.884
Eseta variant of MSIL/Injector.EJN
SophosMal/DotNet-C
Trend MicroTROJ_GEN.R047H08GE14

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


ActivitiesRisk Levels
Attempts to write to a memory location of a previously loaded process.Medium
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic BackDoor!zb
McAfee SupportedRDN/Generic BackDoor!zb



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:

EE3C69A6468D6F0127BF676037B10304CA1B3B02

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\MSDCSC\Updater.exe

The following files have been deleted:

  • %WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\DC3_FEXEC\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\TEST FILE = %TEMP%\EE3C69A6468D6F0127BF676037B10304CA1B3B02
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\UPDATER = %WINDIR%\SYSTEM32\MSDCSC\Updater.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\USERINIT = %WINDIR%\SYSTEM32\userinit.exe,%WINDIR%\SYSTEM32\MSDCSC\Updater.exe

Symptoms

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

Method 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.

Removal

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: http://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

Variants