RDN/Generic.bfr!fb!64​99446C4B55

This page shows details and results of our analysis on the malware RDN/Generic.bfr!fb!6499446C4B55

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

597056

Description Added

2013-09-22

Description Modified

2013-09-22

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.bfr!fb
Length597056 bytes
MD56499446c4b55d45818a5da6f8f9eaa93
SHA1c64219ab5e40ebd36920d6db04186cb0c1ba84e5


Other Common Detection Aliases

Company NamesDetection Names
Dr.WebTrojan.Packed.24524
SymantecSuspicious.Cloud.2
EsetWin32/InstallCore.CU application
normanwinpe/InstallCore.RBUR

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
Creates one or more shortcuts (.LNK files) to provide user accessible links to start a program usually form the desktop or start menu.Low
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


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



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:

C64219AB5E40EBD36920D6DB04186CB0C1BA84E5

The following files have been added to the system:

  • %TEMP%\ish204921\css\ie6_main.css
  • %TEMP%\ish204921\csshover3.htc
  • %TEMP%\ish204921\images\Close.png
  • %TEMP%\ish204921\images\BG.png
  • %TEMP%\is375837694\208624_stp.CIS
  • %TEMP%\ish204921\css\sdk-ui\images\progress-bg-corner.png
  • %USERPROFILE%\Desktop\Continue Media Crawler Installation.lnk
  • %TEMP%\ish204921\images\loader.gif
  • %TEMP%\is375837694\208624_stp.CIS.part
  • %TEMP%\ish204921\css\sdk-ui\images\progress-bg.png
  • %TEMP%\ish204921\css\sdk-ui\progress-bar.css
  • %TEMP%\ish204921\css\sdk-ui\images\button-bg.png
  • %TEMP%\ish204921\css\main.css
  • %TEMP%\ish204921\images\Color_Button_Hover.png
  • %TEMP%\ish204921\css\sdk-ui\browse.css
  • %TEMP%\ish204921\images\Close_Hover.png
  • %TEMP%\ish204921\images\Progress.png
  • %TEMP%\ish204921\locale\EN.locale
  • %TEMP%\ish204921\images\ProgressBar.png
  • %TEMP%\ish204921\images\Color_Button.png
  • %TEMP%\ICReinstall_C64219AB5E40EBD36920D6DB04186CB0C1BA84E5
  • %TEMP%\ish204921\css\sdk-ui\button.css
  • %TEMP%\ish204921\css\sdk-ui\checkbox.css
  • %TEMP%\ish204921\css\sdk-ui\images\progress-bg2.png
  • %TEMP%\ish204921\images\Grey_Button.png
  • %TEMP%\ish204921\images\Grey_Button_Hover.png

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

  • %TEMP%\ish204921\bootstrap_11600.html
  • %TEMP%\0003204B.log
  • %TEMP%\00032E45.log
  • %PROGRAMFILES%\is207671.log
  • %TEMP%\00032E74.log

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DIRECTDRAW\MOSTRECENTAPPLICATION\ID = 708992537
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DIRECTDRAW\MOSTRECENTAPPLICATION\NAME = C64219AB5E40EBD36920D6DB04186CB0C1BA84E5

The applications attempted the following network connection(s):

  • 65.254.40.**:80
  • 74.81.69.***:80
  • 166.78.44.***:80
  • hxxp://os.mediacrawlercdn.com/media-crawler/*****
  • 54.245.233.***: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

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