RDN/Generic BackDoor!tt!9C10686A0​56A

This page shows details and results of our analysis on the malware RDN/Generic BackDoor!tt!9C10686A056A

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

371459

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
Length371459 bytes
MD59c10686a056a346d0ef6133c2c40ee10
SHA1acb55acf523c4474a9327dced2500e145b4afe2c


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Trojan.Heur.wybkr54i4JnOy (B)
ahnlabTrojan/Win32.Urelas
avastWin32:Urelas-D
aviraTR/GupBoot.B.325
BitDefenderGen:Trojan.Heur.wybkr54i4JnOy
Dr.WebTrojan.DownLoader10.6994
F-ProtW32/Heuristic-210!Eldorado
MicrosoftTrojan:Win32/Gupboot.B
SymantecBackdoor.Graybird
EsetWin32/Urelas.O
normanwinpe/Troj_Generic.PSFHW
Trend MicroPAK_Packman
V-BusterSuspicious!SA (sequence)

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!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:

ACB55ACF523C4474A9327DCED2500E145B4AFE2C

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\xayvh.exe
  • %TEMP%\tulay.exe
  • %TEMP%\golfinfo.ini

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

  • %TEMP%\_uinsey.bat

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\RUN = %WINDIR%\SYSTEM32\xayvh.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\TRAYKEY = tulay

The applications attempted the following network connection(s):

  • 218.54.31.***:11110
  • 1.234.83.***: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