RDN/Generic BackDoor!su!5D0518E75​7FD

This page shows details and results of our analysis on the malware RDN/Generic BackDoor!su!5D0518E757FD

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

7165 (2013-08-12)

Updated DAT

7165 (2013-08-12)

Minimum Engine

5600.1067

File Length

230912

Description Added

2013-08-13

Description Modified

2013-08-13

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic BackDoor!su
Length230912 bytes
MD55d0518e757fd3ff72a03ccfddfd9f3ef
SHA11fbb8ba7a683a299b7764bbb1e54f6bdc42a5e8f


Other Common Detection Aliases

Company NamesDetection Names
avastMSIL:Bladabindi-AZ
AVG (GriSoft)MSIL.BGW (Trojan horse)
aviraTR/Spy.Gen8
KasperskyTrojan.Win32.Jorik.Agent.hfo
BitDefenderGen:Variant.Barys.10952
Dr.WebTrojan.DownLoader7.58214
FortiNetMSIL/Agent.PPZ!tr
MicrosoftBackdoor:MSIL/Bladabindi.AA
SymantecTrojan.Gen
EsetMSIL/Bladabindi.Q
pandaGeneric Malware
SophosMal/MSIL-FA
vba32Trojan.Msil
V-BusterTrojan.Agent!Rhbv5kUHNz4 (trojan)

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!su
McAfee SupportedRDN/Generic BackDoor!su



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:

1FBB8BA7A683A299B7764BBB1E54F6BDC42A5E8F

The following files have been added to the system:

  • %TEMP%\SYSTEM.EXE
  • %TEMP%\System.exe.tmp
  • %USERPROFILE%\Start Menu\Programs\Startup\12ce4e06a81e8d54fd01d9b762f1b1bb.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\12CE4E06A81E8D54FD01D9B762F1B1BB\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\ENVIRONMENT\SEE_MASK_NOZONECHECKS = 49
  • HKEY_CURRENT_USER\SOFTWARE\12CE4E06A81E8D54FD01D9B762F1B1BB\US = 64
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\12CE4E06A81E8D54FD01D9B762F1B1BB = "%TEMP%\system.exe" ..
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\12CE4E06A81E8D54FD01D9B762F1B1BB = "%TEMP%\system.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