RDN/Generic.dx!c2d!71​0B61FBB300

This page shows details and results of our analysis on the malware RDN/Generic.dx!c2d!710B61FBB300

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

637753

Description Added

2013-11-27

Description Modified

2013-11-27

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.dx!c2d
Length637753 bytes
MD5710b61fbb3005c65504e1474378312b5
SHA1cd34765d17fba6972f78ca3e4998694cec84a58b


Other Common Detection Aliases

Company NamesDetection Names
avastVBS:Malware-gen
AVG (GriSoft)Generic9_c.CNAS
KasperskyTrojan.Win32.Agent.acyzb
Dr.WebTrojan.DownLoader10.53556
FortiNetW32/Agent.ACYZB!tr
SymantecSuspicious.Cloud.2

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Enumerates process listLow
Process attempts to call itself recursivelyLow
Displays systray popupsLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic.dx!c2d
McAfee SupportedRDN/Generic.dx!c2d



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:

CD34765D17FBA6972F78CA3E4998694CEC84A58B

The following files have been added to the system:

  • %TEMP%\mf.json
  • C:\Twains_64\Administrator\script.js
  • C:\Twains_64\Administrator\jquery-1.9.1.min.js
  • C:\Twains_64\Administrator\manifest.json
  • %APPDATA%\ExtentionInstaller\Browser Extention Installer.exe
  • %TEMP%\axf.exe
  • C:\Twains_64\Administrator\icon.png
  • %APPDATA%\flash.xpi
  • %TEMP%\fupdate.exe

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

  • %TEMP%\OperaPref.txt
  • C:\Twains_64\Administrator\background.js
  • %TEMP%\aut8.tmp
  • %TEMP%\Pref.txt
  • %TEMP%\ChromePref.txt
  • %TEMP%\YandexPref.txt

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MOZILLA\
  • HKEY_CURRENT_USER\SOFTWARE\MOZILLA\FIREFOX\
  • HKEY_CURRENT_USER\SOFTWARE\MOZILLA\FIREFOX\EXTENSIONS\
  • HKEY_CURRENT_USER\SOFTWARE\READER\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\BROWSER EXTENTION INSTALLER
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\SKYPEGNCELLE = %TEMP%\Skypee.exe
  • HKEY_CURRENT_USER\SOFTWARE\MOZILLA\FIREFOX\EXTENSIONS\EXTACYLIFE@[Domain Removed] = %APPDATA%\flash.xpi
  • HKEY_CURRENT_USER\SOFTWARE\READER\XOXO = 49
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\SYSTEM\ENABLELUA = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\BROWSER EXTENTION INSTALLER

The applications attempted the following network connection(s):

  • 159.253.38.**:80
  • hxxp://plomicbayim.com/tmtmrk/*****
  • hxxp://www.marmarabayi.com/crxyolu/*****

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