RDN/Generic.bfr!hh!94​D8D1874FD2

This page shows details and results of our analysis on the malware RDN/Generic.bfr!hh!94D8D1874FD2

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

921600

Description Added

2014-06-04

Description Modified

2014-06-04

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.bfr!hh
Length921600 bytes
MD594d8d1874fd2a1108cc83c9bb8a42d50
SHA1002d70021d498a3d06a8b392e19f219b112627eb


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Adware-gen
aviraADWARE/Adware.Gen7
FortiNetRiskware/IBryte
EsetWin32/AdWare.iBryte.R application
normanwinpe/Agent.ASWDM
vba32Trojan.Downloader.gen.h

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


ActivitiesRisk Levels
Attempts to connect to a high risk domain that may pose a security risk.High
Attempts to download an executable file from the web.Medium
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


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



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:

002D70021D498A3D06A8B392E19F219B112627EB

The following files have been added to the system:

  • %TEMP%\nsj3B.tmp
  • %TEMP%\lock.temp
  • %TEMP%\nsc3D.tmp
  • %TEMP%\sizlsearch_ad.exe
  • %TEMP%\sp-downloader.exe
  • %TEMP%\D2M-Precheck.exe
  • %TEMP%\inet.txt

The following files have been changed:

  • %TEMP%orary Internet Files\Content.IE5\index.dat

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

  • %TEMP%\sizlsearch\tlg
  • %TEMP%\tmp1E.tmp
  • %TEMP%\tmp26.tmp
  • %TEMP%\nsx51.tmp\ns52.tmp
  • %TEMP%\nsx51.tmp\nsJSON.dll
  • %TEMP%\tmp1C.tmp
  • %TEMP%\nsx51.tmp\IpConfig.dll
  • %TEMP%\tmp1B.tmp
  • %TEMP%\nse3C.tmp\System.dll
  • %TEMP%\nsx51.tmp
  • %TEMP%\tmp20.tmp
  • %TEMP%\System.Data.SQLite.DLL
  • %TEMP%\nse3C.tmp\inetc.dll
  • %TEMP%\ilg
  • %TEMP%\nsx51.tmp\nsExec.dll
  • %TEMP%\nsx51.tmp\NSISEncrypt.dll
  • %TEMP%\tmp21.tmp
  • %TEMP%\tmp1D.tmp
  • %TEMP%\nsx51.tmp\System.dll
  • %TEMP%\sizlsearch\lm
  • %TEMP%\nsi3A.tmp
  • %TEMP%\tmp22.tmp
  • %TEMP%\nsx51.tmp\WmiInspector.dll
  • %TEMP%\tmp23.tmp
  • %TEMP%\tmp1F.tmp
  • %TEMP%\sizlsearch\mj
  • %TEMP%\Tar3F.tmp
  • %TEMP%\nsi50.tmp
  • %TEMP%\Impressioner.exe
  • %TEMP%\tmp27.tmp
  • %TEMP%\tmp29.tmp
  • %TEMP%\tmp25.tmp
  • %TEMP%\tmp1A.tmp
  • %TEMP%\tmp28.tmp
  • %TEMP%\tmp24.tmp
  • %TEMP%\nsx51.tmp\inetc.dll
  • %TEMP%\imp.dat
  • %TEMP%\nsx51.tmp\UserInfo.dll
  • %TEMP%\nsc3D.exe
  • %TEMP%\nse3C.tmp
  • %TEMP%\Cab3E.tmp

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\nse3C.tmp\

The applications attempted the following network connection(s):

  • hxxp://d2myrvr3at0zas.cloudfront.net/*****
  • 54.243.212.**:80
  • 54.230.68.***:80
  • 23.208.243.***:443
  • 50.17.210.**:80
  • hxxp://sp-installer.conduit-data.com/
  • hxxp://imp.premiuminstaller.com/impression.do/*****
  • 50.112.109.**:80
  • 70.186.131.***:80
  • hxxp://install.sizlsearch.net/*****
  • hxxp://check.d2m.adk-mobile.com/impression/*****

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