Printer Friendly Page

Updated: October 26, 2016 5:57:20 PM
Type: Potentially Unwanted App
Infection Length: Varies
Name: Empty Folder Cleaner (Install Monetizer)
Version: 1.0
Publisher: 4dots software
Risk Impact: Low
Systems Affected: Windows


PUA.InstallMonetizer is a potentially unwanted application that installs other potentially unwanted software on the computer.

Antivirus Protection Dates

  • Initial Rapid Release version October 26, 2016 revision 016
  • Latest Rapid Release version December 24, 2019 revision 006
  • Initial Daily Certified version October 26, 2016 revision 025
  • Latest Daily Certified version December 25, 2019 revision 002
  • Initial Weekly Certified release date November 02, 2016

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Technical Description

Once executed, the application creates the following folders:

  • %SystemDrive%\Documents and Settings\admin\Local
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner
  • %SystemDrive%\Documents and Settings\admin\Local Settings\Temp\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}

The application creates the following files:
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\4dots-Software-PRODUCT-CATALOG-2015.pdf
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\4dotsLanguageDownloader.exe
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\CheckedExpTreeLib.dll
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\DeleteEmptyFolders.exe
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\Empty Folder Cleaner - User's Manual.url
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\EmptyFolderCleaner.exe
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\Ionic.Zip.dll
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\license_agreement.rtf
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\settings.xml
  • %ProgramFiles%\4dots Software\Empty Folder Cleaner\Uninstall.exe
  • %SystemDrive%\Documents and Settings\admin\Local Settings\Temp\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1
  • Settings\Temp\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.be

The application creates the following registry subkeys:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\EmptyFolderCleanerExt.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\EmptyFolderCleaner
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Empty Folder Cleaner
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{B175520C-86A2-35A7-8619-86DC379688B9}
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{BD95A8CD-1D9F-35AD-981A-3E7925026EBB}
  • HKEY_LOCAL_MACHINE\SOFTWARE\4dots Software\EmptyFolderCleaner

The application creates the following registry entries:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\EmptyFolderCleanerExt.DLL\"AppID" = "{BC76F92C-039F-4f73-B8A4-CCFA409C351C}"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{BC76F92C-039F-4f73-B8A4-CCFA409C351C}\"" = "EmptyFolderCleanerExt"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{05C04F50-26B1-4309-903E-3BFA7FF25818}\"" = "EmptyFolderCleanerShellExt Class"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{05C04F50-26B1-4309-903E-3BFA7FF25818}\InprocServer32\"" = "%Windir%\system32\EmptyFolderCleanerExt.dll"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{05C04F50-26B1-4309-903E-3BFA7FF25818}\InprocServer32\"ThreadingModel" = "Apartment"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\EmptyFolderCleaner\"" = "{05C04F50-26B1-4309-903E-3BFA7FF25818}"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved\"{05C04F50-26B1-4309-903E-3BFA7FF25818}" = "EmptyFolderCleanerExt extension"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Empty Folder Cleaner\"DisplayName" = "Empty Folder Cleaner (remove only)"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Empty Folder Cleaner\"DisplayIcon" = "%ProgramFiles%\4dots Software\Empty Folder Cleaner\EmptyFolderCleaner.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Empty Folder Cleaner\"UninstallString" = "%ProgramFiles%\4dots Software\Empty Folder Cleaner\Uninstall.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\4dots Software\EmptyFolderCleaner\"" = "%ProgramFiles%\4dots Software\Empty Folder Cleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\4dots Software\EmptyFolderCleaner\"InstallationDirectory" = "%ProgramFiles%\4dots Software\Empty Folder Cleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\4dots Software\EmptyFolderCleaner\"Menu Item Caption" = "Remove Empty Folders"

The application installs other potentially unwanted applications, such as adware, on the computer without the user's permission.


You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

Before proceeding further we recommend that you run a full system scan . If that does not resolve the problem you can try one of the options available below.

If you are a Norton product user, we recommend you try the following resources to remove this risk.

Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .

How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.

If you are a Symantec business product user, we recommend you try the following resources to remove this risk.

Identifying and submitting suspect files
Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.

Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .

How to reduce the risk of infection
The following resource provides further information and best practices to help reduce the risk of infection.
Protecting your business network

The following instructions pertain to all current Symantec antivirus products.

1. Performing a full system scan
How to run a full system scan using your Symantec product

2. Restoring settings in the registry
Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.