Virus Profile: RDN/Vundo!72ADF2F4AC39

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/13/2014
Date Added: 5/13/2014
Origin: Unknown
Length: 1054228
Type: Trojan
Subtype: -
DAT Required: 7435
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/Vundo
Length1054228 bytes
MD572adf2f4ac3929f6596398a692bcedd2
SHA1075521c71d169a69b660955bee63f24bd7223bbf


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Symmi.24442 (B)
aviraTR/Vundo.A.7136
KasperskyTrojan.Win32.Pirminay.asjn
BitDefenderGen:Variant.Symmi.24101
clamavPUA.Win32.Packer.Armadillo-59
FortiNetW32/Kryptik.PR!tr
MicrosoftTrojanDropper:Win32/Vundo.AB
EsetWin32/Kryptik.BCOI trojan (variant)
normanKryptik.CCRC
pandaGeneric Malware
SophosMal/EncPk-ACW
Trend MicroTROJ_GEN.R047C0DEC14

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
Enumerates many system files and directories.Low
Enumerates process listLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Vundo
McAfee SupportedRDN/Vundo



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:

075521C71D169A69B660955BEE63F24BD7223BBF

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\regedt321.exe

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

  • %TEMP%\~unins175.bat

The following registry elements have been created:

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

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\6 = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\XFFNHFHAM\DFO = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INTERNET SETTINGS\6 = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\VYUDKORJPZ = %WINDIR%\SYSTEM32\regedt321.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\XFFNHFHAM\DFO = [binary data]
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\075521C71D169A69B660955BEE63F24BD7223BBF

The applications attempted the following network connection(s):

  • 93.115.88.***:80

   

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.

   

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