RDN/Generic BackDoor!tt!271FB3A7C​1EB

This page shows details and results of our analysis on the malware RDN/Generic BackDoor!tt!271FB3A7C1EB

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 DAT

7212 (2013-09-28)

Updated DAT

7212 (2013-09-28)

Minimum Engine

5600.1067

File Length

190464

Description Added

2013-09-29

Description Modified

2013-09-29

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic BackDoor!tt
Length190464 bytes
MD5271fb3a7c1ebd17a754379a36ec570be
SHA12b8a2c795762993891fdf767fbe7e8bf333099ac


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Zusy.Elzob.2930 (B)
ahnlabTrojan/Win32.Inject
aviraTR/Kazy.33587216
KasperskyTrojan.MSIL.Zapchast.angz
BitDefenderGen:Variant.Zusy.Elzob.2930
MicrosoftBackdoor:MSIL/Bladabindi
EsetMSIL/Injector.BWT
normanSuspicious_Gen5.AGDHM
Trend MicroTROJ_GEN.F47V0927

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 BetaRDN/Generic BackDoor!tt
McAfee SupportedRDN/Generic BackDoor!tt



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:

2B8A2C795762993891FDF767FBE7E8BF333099AC

The following files have been added to the system:

  • %TEMP%\Trojan.exe
  • C:\.tmp
  • %USERPROFILE%\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\5CD8F17F4086744065EB0992A09E05A2\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\ENVIRONMENT\SEE_MASK_NOZONECHECKS = 49
  • HKEY_CURRENT_USER\SOFTWARE\5CD8F17F4086744065EB0992A09E05A2\US = 64
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\5CD8F17F4086744065EB0992A09E05A2 = "%TEMP%\Trojan.exe" ..
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\5CD8F17F4086744065EB0992A09E05A2 = "%TEMP%\Trojan.exe" ..

The applications attempted the following network connection(s):

  • 41.249.59.***:1177

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