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Virus Profile: RDN/Generic BackDoor!29BDB310A2CB

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 12/19/2013
Date Added: 12/19/2013
Origin: Unknown
Length: 1050624
Type: Trojan
Subtype: -
DAT Required: 7293
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Methods 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.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic BackDoor
Length1050624 bytes
MD529bdb310a2cbd189764e5d1c136b400e
SHA1f5e3da2aec40da1f1ccc9deafba87df15d3c1ddb


Other Common Detection Aliases

Company NamesDetection Names
ahnlabBackdoor/Win32.Simda
avastWin32:Dropper-gen
aviraTR/Crypt.XPACK.Gen2
KasperskyTrojan.Win32.Agent.ibes
Dr.WebTrojan.Rodricter.89
Microsoftbackdoor:win32/simda
EsetWin32/Simda.B
normanwinpe/Simda.TFS
vba32Trojan.Agent

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


ActivitiesRisk Levels
Attempts to modify the hosts file. This could be used to map hostnames different IP addresses redirecting traffic to an alternate location.High
Adds a component to or modifies the network stack.Medium
Enumerates many system files and directories.Low
Enumerates process listLow
Attempts to send data or commands via HTTPLow
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


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



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:

1A.tmp

The following files have been added to the system:

  • %TEMP%\994701BD07.tmp

The following files have been changed:

  • C:\

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

  • %TEMP%\11277.sys
  • %WINDIR%\SYSTEM32\drivers\etc\hosts

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{BCAA706A-706A-706A-6A6A-6A6A6A6A6A6A}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{BCAA706A-706A-706A-6A6A-6A6A6A6A6A6A}\1\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\994701BD07.tmp
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\TCPIP\PARAMETERS\INTERFACES\{2AE259D0-AEFC-43D6-A9A2-8742428A5DA1}\NAMESERVER = 8.8.8.8,[private subnet]

The applications attempted the following network connection(s):

  • 91.121.12.***:80
  • 204.79.197.***:80
  • hxxp://report.9s17skuocei7q31ce31.com/
  • 74.82.216.*:80
  • 65.98.83.***:80

   

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.

   

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