Virus Profile: RDN/Generic.bfr!C1BBDE1D5DB8

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 8/15/2013
Date Added: 8/15/2013
Origin: Unknown
Length: 1273856
Type: Trojan
Subtype: -
DAT Required: 7167
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
Length1273856 bytes
MD5c1bbde1d5db8e004cc9bb95fe698f23f
SHA1fe3bd0dff50b7fd3c4a29a479b70bad5424b4654


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Barys.2005 (B)
AVG (GriSoft)ILCrypt
aviraTR/Dropper.Gen
BitDefenderGen:Variant.Barys.2005
Dr.WebTrojan.PWS.Stealer.715
FortiNetMSIL/Injector.PE!tr
EsetMSIL/Injector.AEC
normanwinpe/Troj_Generic.NYGIB

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


ActivitiesRisk Levels
Attempts to load and execute remote code in explorer processHigh
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
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
McAfee SupportedRDN/Generic.bfr



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:

FE3BD0DFF50B7FD3C4A29A479B70BAD5424B4654

The following files have been added to the system:

  • %TEMP%\208D0.dmp
  • %TEMP%\WER10.tmp.dir00\appcompat.txt
  • %APPDATA%\Administratorv1.18.0 - Trial versionlog.dat
  • %WINDIR%\SYSTEM32\asdasdxc3f\xasr3.exe
  • %TEMP%\WER10.tmp

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

  • %TEMP%\Administrator2.txt
  • %TEMP%\Administrator7
  • %TEMP%\Administrator8

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\
  • HKEY_CURRENT_USER\SOFTWARE\REMOTE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\POLICIES = %WINDIR%\SYSTEM32\asdasdxc3f\xasr3.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\AXVER = %WINDIR%\SYSTEM32\asdasdxc3f\xasr3.exe
  • HKEY_CURRENT_USER\SOFTWARE\REMOTE\FIRSTEXECUTION = 15/08/2013 -- 16:41
  • HKEY_CURRENT_USER\SOFTWARE\REMOTE\NEWGROUP
  • HKEY_CURRENT_USER\SOFTWARE\REMOTE\NEWIDENTIFICATION = remote
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\POLICIES = %WINDIR%\SYSTEM32\asdasdxc3f\xasr3.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\VA2 = %WINDIR%\SYSTEM32\asdasdxc3f\xasr3.exe

The applications attempted the following network connection(s):

  • 217.55.244.**:81

   

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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