RDN/Generic BackDoor!wq!45634A21C​82F

This page shows details and results of our analysis on the malware RDN/Generic BackDoor!wq!45634A21C82F

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

7324 (2014-01-20)

Updated DAT

7324 (2014-01-20)

Minimum Engine

5600.1067

File Length

81611

Description Added

2014-01-21

Description Modified

2014-01-21

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic BackDoor!wq
Length81611 bytes
MD545634a21c82fd8f2c0103bc9bd0d587d
SHA14e72cd8e622afdc7d3281c5614b87f0f3809a51a


Other Common Detection Aliases

Company NamesDetection Names
ahnlabBackdoor/Win32.Plite
avastWin32:Dropper-gen
aviraTR/Crypt.XPACK.Gen2
Dr.WebTrojan.DownLoader9.11974
MicrosoftTrojan:Win32/Beaugrit.gen!AAC
SymantecSuspicious.MH690.A
EsetWin32/Urelas.AB
normanwin32/Gupboot.G
SophosMal/Packer
Trend MicroPAK_Packman
vba32BScope.Backdoor.Gulf

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


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



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:

4E72CD8E622AFDC7D3281C5614B87F0F3809A51A

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\opert.exe
  • %TEMP%\golfinfo.ini

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

  • %TEMP%\sanfdr.bat

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\OPERT\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\OPERT\DEBUG\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\RUN = %WINDIR%\SYSTEM32\opert.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\OPERT\DEBUG\TRACE LEVEL
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\CATEGORYCOUNT = 16
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\CATEGORYMESSAGEFILE = %WINDIR%\SYSTEM32\ESENT.dll
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\EVENTMESSAGEFILE = %WINDIR%\SYSTEM32\ESENT.dll
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\TYPESSUPPORTED = 7

The applications attempted the following network connection(s):

  • 121.88.5.***:11120
  • 121.88.5.***:11180

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