Virus Profile: RDN/Generic.bfr!fi!095B6FC21C71

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 11/24/2013
Date Added: 11/24/2013
Origin: Unknown
Length: 520192
Type: Trojan
Subtype: -
DAT Required: 7268
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.bfr!fi
Length520192 bytes
MD5095b6fc21c7191e25c8d670160f9a642
SHA1452bfbba8344e84b369e831b994c1626d615832b


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Neurevt-K
AVG (GriSoft)Generic35.WNM (Trojan horse)
aviraTR/NeurevtK.A
KasperskyTrojan.Win32.Xtrat.ehj
BitDefenderTrojan.GenericKDV.1402852
FortiNetW32/Xtrat.EHJ!tr
MicrosoftBackdoor:Win32/Xtrat.A
EsetWin32/Injector.ARUD
vba32Trojan.Xtrat

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


ActivitiesRisk Levels
Attempts to load and execute remote code in a system process.High
Attempts to write to a memory location of a protected process.High
Attempts to write to a memory location of a Windows system processHigh
Attempts to load and execute remote code in a previously loaded processMedium
Attempts to write to a memory location of a previously loaded process.Medium
Modifies winlogon configuration settings in registryMedium
Adds or modifies winlogon shell registry value. Could be used to launch a program on startup.Medium
Attempts to launch an instance of Internet Explorer.Low
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic.bfr!fi
McAfee SupportedRDN/Generic.bfr!fi



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:

452BFBBA8344E84B369E831B994C1626D615832B

The following files have been added to the system:

  • %APPDATA%\Microsoft\Windows\4kH88VBE.dat
  • %APPDATA%\powerm\mwbatt.exe
  • %APPDATA%\Microsoft\Windows\4kH88VBE.cfg

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

  • %TEMP%\x.html

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\4KH88VBE\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{6H5Y7N25-KQG0-CW36-G7IT-ITS3DEDGF7LX}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\4KH88VBE\INSTALLEDSERVER = %APPDATA%\powerm\mwbatt.exe
  • HKEY_CURRENT_USER\SOFTWARE\4KH88VBE\SERVERSTARTED = 11/16/2012 18:21:39 PM
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\LOAD = %APPDATA%\powerm\mwbatt.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = explorer.exe %APPDATA%\powerm\mwbatt.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\PWM32 = %APPDATA%\powerm\mwbatt.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\HKCU = %APPDATA%\powerm\mwbatt.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\PWM32 = %APPDATA%\powerm\mwbatt.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{6H5Y7N25-KQG0-CW36-G7IT-ITS3DEDGF7LX}\STUBPATH = %APPDATA%\powerm\mwbatt.exe restart
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\LOAD = %APPDATA%\powerm\mwbatt.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = explorer.exe %APPDATA%\powerm\mwbatt.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\PWM32 = %APPDATA%\powerm\mwbatt.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\HKLM = %APPDATA%\powerm\mwbatt.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\PWM32 = %APPDATA%\powerm\mwbatt.exe

The applications attempted the following network connection(s):

  • 188.85.45.**:8082
  • 188.85.45.**:8086
  • hxxp://up2date.us.to:8082/*****

   

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: https://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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