Virus Profile: RDN/Ransom!ec!19B5895054A3

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 3/6/2014
Date Added: 3/6/2014
Origin: Unknown
Length: 319488
Type: Trojan
Subtype: -
DAT Required: 7369
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/Ransom!ec
Length319488 bytes
MD519b5895054a377ae7a4a723d5e8e11de
SHA12824f7eddf6f851cc1a741f4d367c629494e0cc4


Other Common Detection Aliases

Company NamesDetection Names
aviraTR/Injector.cza.6
KasperskyTrojan-Ransom.Win32.Blocker.dzgw
Dr.WebTrojan.DownLoader9.40729
FortiNetW32/Blocker.DZGW!tr
SymantecSuspicious.Cloud.2
EsetMSIL/Injector.CZA

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


ActivitiesRisk Levels
Modifies winlogon configuration settings in registryMedium
Adds or modifies winlogon shell registry value. Could be used to launch a program on startup.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/Ransom!ec
McAfee SupportedRDN/Ransom!ec



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:

2824F7EDDF6F851CC1A741F4D367C629494E0CC4

The following files have been added to the system:

  • %USERPROFILE%\Local Settings\Application Data\GDIPFONTCACHEV1.DAT
  • %APPDATA%\csrss.exe
  • %TEMP%\33598.dmp
  • %APPDATA%\htcudrivers.exe
  • %TEMP%\dw.log

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = explorer.exe, %APPDATA%\htcudrivers.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = explorer.exe, %APPDATA%\htcudrivers.exe

The applications attempted the following network connection(s):

  • 31.186.174.***:80

   

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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