RDN/Generic.dx!79DA6F​70CD48

This page shows details and results of our analysis on the malware RDN/Generic.dx!79DA6F70CD48

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

1868592

Description Added

2013-07-25

Description Modified

2013-07-25

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.dx
Length1868592 bytes
MD579da6f70cd48bd23168d27f53a90d65a
SHA1ea92f8894c5cc3c431ef89d5ec441e0ef65e4eeb


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Kazy.198923 (B)
AVG (GriSoft)ILCrypt
aviraTR/Dropper.Gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Kazy.198923
Dr.WebBackDoor.Comet.152
FortiNetMSIL/Injector.PE!tr
SymantecSuspicious.Cloud.2.A
EsetMSIL/Injector.BFM
normanwinpe/Troj_Generic.NDJFY

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


ActivitiesRisk Levels
Attempts to write to a memory location of a previously loaded process.Medium
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


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



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:

EA92F8894C5CC3C431EF89D5EC441E0EF65E4EEB

The following files have been added to the system:

  • %APPDATA%\svchost.exe
  • %TEMP%\FB_1A.tmp
  • %APPDATA%\D7A0EB.ini
  • %TEMP%\FB_1B.tmp.msu
  • %TEMP%\FB_1B.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{1C9674AA-FFAF-44DD-BEFF-6DF7B3DBFEA9}\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\INSTALL\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\INSTALL\DATE\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\SRVID\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\SRVID\ID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{1C9674AA-FFAF-44DD-BEFF-6DF7B3DBFEA9}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{1C9674AA-FFAF-44DD-BEFF-6DF7B3DBFEA9}\STUBPATH = %APPDATA%\svchost.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\F7AC-EAEE = %APPDATA%\svchost.exe
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\INSTALL\DATE\RC0BXB5MNH = November 15, 2012
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\SRVID\ID\RC0BXB5MNH = v1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{1C9674AA-FFAF-44DD-BEFF-6DF7B3DBFEA9}\STUBPATH = %APPDATA%\svchost.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\F7AC-EAEE = %APPDATA%\svchost.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\F7AC-EAEE = %APPDATA%\svchost.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\DONOTALLOWEXCEPTIONS = 0
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\AUTHORIZEDAPPLICATIONS\LIST\%TEMP%\FB_1A.TMP.EXE = %TEMP%\FB_1A.tmp.exe:*:Enabled:Windows Messanger
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\AUTHORIZEDAPPLICATIONS\LIST\%APPDATA%\SVCHOST.EXE = %APPDATA%\svchost.exe:*:Enabled:Windows Messanger

The applications attempted the following network connection(s):

  • 176.13.112.***:80

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

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

Variants