Threat Profile: Generic PUP.x!CF8E10AAAE54

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 8/23/2013
Date Added: 8/23/2013
Origin: Unknown
Length: 673675
Type: Program
Subtype: -
DAT Required: 7176
Removal Instructions
   
 
 
   

Description

McAfee Labs&trade recognizes that this program may have legitimate uses in contexts where an authorized administrator has knowingly installed this application. If you agreed to a license agreement for this or another bundled application, you may have legal obligations with regard to removing this software, or to using the host application without this software. Please contact the software vendor for further information.

See http://vil.nai.com/vil/DATReadme.aspx for a list of program detections added to the DATs.

See http://vil.nai.com/vil/pups/configuration.aspx for information about how to enable, disable, and exclude the detection of legitimately installed programs.

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

Symptoms

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

Method

This is not a virus or Trojan. PUPs do not "infect" systems. They may be installed by a user individually or possibly as a part of a software package (in a bundle, for example).

   

Virus Characteristics

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

File PropertiesProperty Values
McAfee DetectionGeneric PUP.x
Length673675 bytes
MD5cf8e10aaae5436dbf5adc5fedc96904e
SHA1e9dce8011e9c8f41f9f0b82a52bb55a427d06def


Other Common Detection Aliases

Company NamesDetection Names
Kasperskynot-a-virus:Client-SMTP.Win32.JMail.45
clamavPUA.Win32.Packer.BorlandDelphi-14
Dr.WebBackdoor.Trojan
SymantecTrojan.ADH.2
normanwinpe/Suspicious_Gen4.ATAVS
risingTrojan.Win32.Generic.12C2C933
SophosMal/Emogen-F

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


ActivitiesRisk Levels
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
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric PUP.x
McAfee SupportedGeneric PUP.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:

E9DCE8011E9C8F41F9F0B82A52BB55A427D06DEF

The following files have been added to the system:

  • %PROGRAMFILES%\53KF\res\img\bodybg.gif
  • %PROGRAMFILES%\53KF\SnapshotOcx.ocx
  • %PROGRAMFILES%\53KF\ReadMe.txt
  • %PROGRAMFILES%\53KF\res\img\waiting.gif
  • %PROGRAMFILES%\53KF\MSINET.OCX
  • %PROGRAMFILES%\53KF\res\img\login_delitem.gif
  • %PROGRAMFILES%\53KF\res\css\easyui\easyui.css
  • %USERPROFILE%\Start Menu\Programs\53KF\53KF.lnk
  • %PROGRAMFILES%\53KF\res\htm\login.htm
  • %TEMP%\nsb9.tmp
  • %USERPROFILE%\Start Menu\Programs\53KF\Uninstall.lnk
  • %PROGRAMFILES%\53KF\res\img\login_btn.gif
  • %PROGRAMFILES%\53KF\COMCTL32.OCX
  • %PROGRAMFILES%\53KF\res\img\easyui\panel_title.png
  • %PROGRAMFILES%\53KF\Jmail.dll
  • %PROGRAMFILES%\53KF\res\img\easyui\panel_tools.gif
  • %USERPROFILE%\Desktop\53KF.lnk
  • %PROGRAMFILES%\53KF\res\img\easyui\button_a_bg.gif
  • %PROGRAMFILES%\53KF\res\js\jquery.easyui.min.js
  • %PROGRAMFILES%\53KF\res\img\state.gif
  • %PROGRAMFILES%\53KF\XP_RegisterOcx.bat
  • %PROGRAMFILES%\53KF\res\img\bottom.gif
  • %PROGRAMFILES%\53KF\res\img\login_inputbg2.gif
  • %PROGRAMFILES%\53KF\53KF.exe
  • %PROGRAMFILES%\53KF\config.ini
  • %PROGRAMFILES%\53KF\res\img\top.gif
  • %TEMP%\~DF7402.tmp
  • %PROGRAMFILES%\53KF\res\img\easyui\button_span_bg.gif
  • %PROGRAMFILES%\53KF\res\img\easyui\messager_question.gif
  • %PROGRAMFILES%\53KF\res\img\select_arraw.gif
  • %PROGRAMFILES%\53KF\res\js\jquery-1.4.2.min.js
  • %PROGRAMFILES%\53KF\uninst.exe
  • %PROGRAMFILES%\53KF\res\img\setting_btn.gif
  • %PROGRAMFILES%\53KF\53KFUpdate.exe
  • %PROGRAMFILES%\53KF\Setup.dat
  • %PROGRAMFILES%\53KF\res\img\easyui\messager_error.gif

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

  • %TEMP%\nswA.tmp\KillProcDLL.dll
  • %TEMP%\nswA.tmp\modern-wizard.bmp
  • %TEMP%\nswA.tmp\ioSpecial.ini
  • %TEMP%\nswA.tmp\FindProcDLL.dll
  • %TEMP%\nswA.tmp\InstallOptions.dll
  • %TEMP%\nswA.tmp
  • %TEMP%\nswA.tmp\modern-header.bmp
  • %TEMP%\nsw8.tmp

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\CONTROL\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\IMPLEMENTED CATEGORIES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\IMPLEMENTED CATEGORIES\{7DD95801-9882-11CF-9FA9-00\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\IMPLEMENTED CATEGORIES\{7DD95802-9882-11CF-9FA9-00\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\INPROCSERVER32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\MISCSTATUS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\MISCSTATUS\1\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\PROGID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\TOOLBOXBITMAP32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\TYPELIB\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\VERSION\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{CED4611C-DA66-44BE-87D7-0C9A93B80D5E}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{CED4611C-DA66-44BE-87D7-0C9A93B80D5E}\INPROCSERVER32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{904C91F3-7052-4732-82FD-5F858DB4B194}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{904C91F3-7052-4732-82FD-5F858DB4B194}\PROXYSTUBCLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{904C91F3-7052-4732-82FD-5F858DB4B194}\PROXYSTUBCLSID32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{904C91F3-7052-4732-82FD-5F858DB4B194}\TYPELIB\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{93066F4A-5A3E-49AD-AB07-52E814865559}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{93066F4A-5A3E-49AD-AB07-52E814865559}\PROXYSTUBCLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{93066F4A-5A3E-49AD-AB07-52E814865559}\PROXYSTUBCLSID32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{93066F4A-5A3E-49AD-AB07-52E814865559}\TYPELIB\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SNAPSHOTOCX.SNAPSHOTOCXCTRL.1\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SNAPSHOTOCX.SNAPSHOTOCXCTRL.1\CLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{26EBCD74-F118-4E58-AFE8-80ED7315115F}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{26EBCD74-F118-4E58-AFE8-80ED7315115F}\1.0\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{26EBCD74-F118-4E58-AFE8-80ED7315115F}\1.0\0\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{26EBCD74-F118-4E58-AFE8-80ED7315115F}\1.0\0\WIN32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{26EBCD74-F118-4E58-AFE8-80ED7315115F}\1.0\FLAGS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{26EBCD74-F118-4E58-AFE8-80ED7315115F}\1.0\HELPDIR\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APP PATHS\53KF.EXE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\53KFµÇ¼Æ÷\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{2CC305E2-0D17-478A-A352-E9ABF5DC8F92}\INPROCSERVER32\THREADINGMODEL = Apartment
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\COMPONENT CATEGORIES\{7DD95801-9882-11CF-9FA9-00AA006C42C4}\409 = Controls safely scriptable!
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\COMPONENT CATEGORIES\{7DD95802-9882-11CF-9FA9-00AA006C42C4}\409 = Controls safely initializable from persistent data!
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{904C91F3-7052-4732-82FD-5F858DB4B194}\TYPELIB\VERSION = 1.0
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{93066F4A-5A3E-49AD-AB07-52E814865559}\TYPELIB\VERSION = 1.0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\53KFµÇ¼Æ÷\DISPLAYICON = %PROGRAMFILES%\53KF\53KF.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\53KFµÇ¼Æ÷\DISPLAYNAME = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\53KFµÇ¼Æ÷\DISPLAYVERSION = 1.0.0.9
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\53KFµÇ¼Æ÷\PUBLISHER = XuFeng
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\53KFµÇ¼Æ÷\UNINSTALLSTRING = %PROGRAMFILES%\53KF\uninst.exe
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\nswA.tmp\

   

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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