Virus Profile: RDN/Generic Downloader.x!DD80CECEB25F

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 7/3/2013
Date Added: 7/3/2013
Origin: Unknown
Length: 1172309
Type: Trojan
Subtype: -
DAT Required: 7123
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 Downloader.x
Length1172309 bytes
MD5dd80ceceb25fad3b9b40ed3bdd9c2ef0
SHA1f1ee42e0442a0a585cad20e7c3087e9e42082130


Other Common Detection Aliases

Company NamesDetection Names
ahnlabDownloader/Win32.Agent
avastWin32:Trojan-gen
aviraTR/Dropper.Gen
KasperskyVirus.Win32.Lamer.k
Dr.WebTrojan.KillFiles.8536
FortiNetW32/Obfus.5
MicrosoftTrojan:Win32/Malex
SymantecTrojan Horse
EsetNewHeur_PE
normanwin32:winpe/Vir_Generic.GTAQ
pandaW32/Knase.C
SophosW32/Belvima-A
Trend MicroTROJ_SPNR.15KL11
vba32Virus.Lamer.K2

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
Attempts to write file to shared locations.Low
Enumerates many system files and directories.Low
Enumerates process listLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic Downloader.x
McAfee SupportedRDN/Generic Downloader.x



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:

F1EE42E0442A0A585CAD20E7C3087E9E42082130

The following files have been added to the system:

  • %PROGRAMFILES%\Microsoft Office\OFFICE11\OIS.EXE
  • %COMMONPROGRAMFILES%\Microsoft Shared\Source Engine\OSE.EXE
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\POWERPNT.EXE
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\OLD1C.tmp
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroBroker.exe
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\OLD2C.tmp
  • %PROGRAMFILES%\messenger\msmsgsin.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\A3DUtility.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\htimage.exe
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\MSOHELP.EXE
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\OLD1A.tmp
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fpsrvadm.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\isignup.exe
  • %COMMONPROGRAMFILES%\microsoft shared\dw\dwtrig20.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwrmind.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\PPTVIEW.EXE
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\imagemap.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\Smart Tag\SmartTagInstall.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwtutor.exe
  • %PROGRAMFILES%\internet explorer\connection wizard\icwconn2.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_aut\OLD26.tmp
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\fpsrvadm.exe
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\OLD2E.tmp
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\isapi\fpcount.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\MSOICONS.EXE
  • %PROGRAMFILES%\Internet Explorer\OLD2A.tmp
  • %COMMONPROGRAMFILES%\microsoft shared\dw\dw20.exe
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\fpserver.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\MSInfo\OINFOP11.EXE
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_adm\OLD24.tmp
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\PDFPrevHndlrShim.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\OLD22.tmp
  • %COMMONPROGRAMFILES%\Adobe\Updater6\Adobe_Updater.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\_vti_bin\OLD20.tmp
  • %PROGRAMFILES%\microsoft frontpage\version3.0\bin\fpsrvwin.exe
  • %COMMONPROGRAMFILES%\microsoft shared\speech\sapisvr.exe
  • %COMMONPROGRAMFILES%\Adobe\Updater6\AdobeUpdaterInstallMgr.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\MODI\11.0\MSPVIEW.EXE
  • %PROGRAMFILES%\internet explorer\connection wizard\inetwiz.exe
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\WINWORD.EXE
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\GRAPH.EXE
  • %COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\40\bin\OLD1E.tmp
  • %TEMP%\10443.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\Eula.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroRd32Info.exe
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\DSSM.EXE
  • c:\Users exe File.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\Web Components\11\DFUICOM.EXE
  • %WINDIR%\SYSTEM32\smrss.exe
  • %COMMONPROGRAMFILES%\microsoft shared\msinfo\msinfo32.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-[private subnet]-A92000000001}\Setup.exe
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\MSOXMLED.EXE
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroRd32.exe
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\MSTORDB.EXE
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\PROFLWIZ.EXE
  • c:\Users exe File.exe
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\WAVTOASF.EXE
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\EXCEL.EXE
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\MSTORE.EXE
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\AdobeARMHelper.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe
  • %PROGRAMFILES%\Internet Explorer\Connection Wizard\OLD28.tmp
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\MSOHTMED.EXE

The following files have been deleted:

  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\PROTTPLN.PPT
  • %USERPROFILE%\Desktop\emaillist.txt
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\QUIKANIM.PPT
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\PROTTPLN.DOC
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\PROTTPLV.DOC
  • %PROGRAMFILES%\Microsoft Office\MEDIA\CAGCAT10\J0315447.JPG
  • %USERPROFILE%\Desktop\Users Word Document.doc
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\PROTTPLN.XLS
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\maize bkgrd.jpg
  • %COMMONPROGRAMFILES%\microsoft shared\grphflt\ms.jpg
  • %PROGRAMFILES%\messenger\mailtmpl.txt
  • %ALLUSERSPROFILE%\documents\my pictures\sample pictures\sunset.jpg
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\XL8GALRY.XLS
  • %COMMONPROGRAMFILES%\microsoft shared\web server extensions\40\bin\fpsread9.txt
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\sunflower bkgrd.jpg
  • %USERPROFILE%\My Documents\Users Excel Document.xls
  • C:\Users Word Document.doc
  • %PROGRAMFILES%\Microsoft Office\MEDIA\CAGCAT10\J0302953.JPG
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\leaves bkgrd.jpg
  • %USERPROFILE%\My Documents\Users Word Document.doc
  • C:\Users text file.txt
  • C:\Users Excel Document.xls
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\PROTTPLV.PPT
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\pie charts bkgrd.jpg
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\glacier bkgrd.jpg
  • %ALLUSERSPROFILE%\documents\my pictures\sample pictures\water lilies.jpg
  • %PROGRAMFILES%\Microsoft Office\MEDIA\CAGCAT10\J0284916.JPG
  • %ALLUSERSPROFILE%\documents\my pictures\sample pictures\blue hills.jpg
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\nature bkgrd.jpg
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\Optional\README.TXT
  • %ALLUSERSPROFILE%\documents\my pictures\sample pictures\winter.jpg
  • %USERPROFILE%\Desktop\Users text file.txt
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\SAMPLES\SOLVSAMP.XLS
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\1033\PROTTPLV.XLS
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\clear day bkgrd.jpg
  • %COMMONPROGRAMFILES%\microsoft shared\stationery\fiesta bkgrd.jpg
  • %USERPROFILE%\Desktop\Users Excel Document.xls
  • %PROGRAMFILES%\Microsoft Office\MEDIA\CAGCAT10\J0302827.JPG
  • %USERPROFILE%\My Documents\Users text file.txt

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

  • C:\11202.exe

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = Explorer.exe smrss.exe

   

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

   

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