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Virus Profile: RDN/Generic.tfr!AB4F756A0408

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 11/11/2013
Date Added: 11/11/2013
Origin: Unknown
Length: 1146595
Type: Trojan
Subtype: -
DAT Required: 7255
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/Generic.tfr
Length1146595 bytes
MD5ab4f756a04080859ca61f83ff6ce85a4
SHA1a93433da45cd488588f76e0644e52a105601d809


Other Common Detection Aliases

Company NamesDetection Names
ahnlabTrojan/Win32.Autoit
avastAutoIt:Agent-PA [Trj]
AVG (GriSoft)Autoit.FM (Trojan horse)
aviraTR/Dropper.Gen
KasperskyTrojan.Win32.Autoit.bei
BitDefenderTrojan.AutoIT.Injector.Q
Dr.WebTrojan.Siggen5.12915
FortiNetW32/Injector.KL!tr
SymantecSuspicious.Cloud.2
EsetWin32/Injector.Autoit.KL
pandaTrj/CI.A
Trend MicroTROJ_GEN.F0C2C0KGS13
vba32Trojan.Autoit

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


ActivitiesRisk Levels
Attempts to write to a memory location of a previously loaded process.Medium
Modifies winlogon configuration settings in registryMedium
Adds or modifies winlogon shell registry value. Could be used to launch a program on startup.Medium
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
Process attempts to call itself recursivelyLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic.tfr
McAfee SupportedRDN/Generic.tfr



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:

upx.exe

The following files have been added to the system:

  • %USERPROFILE%\Start Menu\Programs\Startup\windows.lnk

The following registry elements have been created:

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

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = %APPDATA%\Microsoft\upx.exe,explorer.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN\UPX MICROSOFT = %APPDATA%\Microsoft\upx.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\UPX MICROSOFT = %APPDATA%\Microsoft\upx.exe

The applications attempted the following network connection(s):

  • 41.178.206.***:51234

   

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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