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RDN/Ransom!el!8F26462​805AA

This page shows details and results of our analysis on the malware RDN/Ransom!el!8F26462805AA

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Threat Detail

  • Malware Type: Trojan
  • Malware Sub-type: N/A
  • Protection Added: 2014-11-25

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

140288

Description Added

2014-11-25

Description Modified

2014-11-25

Malware Proliferation

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Ransom!el
Length140288 bytes
MD58f26462805aa616e90e04facd4115b90
SHA12a903b0a05addd3d096feab9bb4f3cc33408cad8


Other Common Detection Aliases

Company NamesDetection Names
ahnlabTrojan/Win32.Agent
AVG (GriSoft)Win32/Cryptor
aviraTR/Crypt.ZPACK.Gen
KasperskyVirus.Win32.PolyRansom.a
Dr.WebWin32.VirLock.5
FortiNetW32/Agent.NCB!tr
SymantecSuspicious.Graybird.1
EsetWin32/Virlock.B

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Enumerates process listLow
Process attempts to call itself recursivelyLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Ransom!el
McAfee SupportedRDN/Ransom!el



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:

8f26462805aa616e90e04facd4115b90.bin

The following files have been added to the system:

  • %USERPROFILE%\MKwcAUEQ\YscYsEwY.exe
  • %ALLUSERSPROFILE%\ioEoMgEg\ZgUggAcE.exe
  • %TEMP%\inbank-start-ff.exe
  • %ALLUSERSPROFILE%\ioEoMgEg\ZgUggAcE
  • %USERPROFILE%\MKwcAUEQ\YscYsEwY

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

  • %TEMP%\dwoYsoUI.bat

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\HIDDEN = 2
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\HIDEFILEEXT = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\YSCYSEWY.EXE = %USERPROFILE%\MKwcAUEQ\YscYsEwY.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\SYSTEM\ENABLELUA = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\ZGUGGACE.EXE = %ALLUSERSPROFILE%\ioEoMgEg\ZgUggAcE.exe

The applications attempted the following network connection(s):

  • 200.119.204.**:9999
  • 173.194.33.***:80
  • 200.87.164.**:9999
  • 190.186.45.***:9999

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

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.

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.