Severity scale:  
  (20/100)

“Installed by enterprise policy” extension. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Adware

“Installed by enterprise policy” – a feature that prevents uninstalling PUPs easily

“Installed by enterprise policy” extension

“Installed by enterprise policy” is a Google Chrome feature that makes browser add-ons, plugins and extensions[1] impossible to remove easily. There’s no doubt that this specification is highly employed by developers of potentially unwanted programs (PUPs) to keep their application longer on the infected device.

Malicious browser extensions, adware,[2] browser hijackers and other junkware[3] are usually installed by enterprise policy to cause more problems for the victim. Typically these suspicious applications are designed to:

  • alter browser’s settings;
  • changing default browser’s homepage, search engine, new tab URL address with a suspicious domain;
  • deliver an excessive amount of ads or redirect[4] to third-party commercial websites;
  • track information about users;
  • cause other browsing-related problems.

You should avoid such suspicious browser add-ons because they may start causing lots of unwanted activities. Some of these activities are annoying pop-up ads that report about discounts, coupons, and other tricky things, redirects [4] to unfamiliar and sometimes really suspicious websites and other activities.

However “Installed by enterprise policy” prevents from a simple elimination of the potentially unwanted application. If you access the list of Chrome extensions, you will see that it is greyed-out and impossible to delete it by hitting Trash icon. Additionally, you won’t be able to access disable extension feature.

In order to remove “Installed by enterprise policy,” you have to remove Group Policy first. This feature allows controlling installation or uninstallation of particular apps. The malicious application restricts users from removal. However, they can change Group Policy and perform either manual or automatic elimination.

We have provided manual “Installed by enterprise policy” removal guide below. However, our team recommends terminating browser hijackers, adware and other PUPs using reputable anti-malware software, such as Reimage.

Dangerous browser extension spread in software installers

There are lots of suspicious browser extensions, plugins, and add-ons that are spread using “bundling”. In fact, this is the main method used for spreading “Installed by enterprise policy” virus and you can avoid it only if you monitor installation of free software.[5]

How can you do that? Believe us, it is not hard. For that, you should always check Privacy Policy, End User's License Agreement, and similar things. In addition, you should always opt for Custom or Advanced installation option and uncheck all browser add-ons, extensions, and plugins that may be offered to you along the way.

Please, be very attentive while installing new programs because you may miss the sentence that allows installation of some suspicious browser add-on. If you think that malicious extension using “Installed by enterprise policy” is already hiding on your computer, there is no point of waiting for its removal because there is a long list of unwanted and sometimes even dangerous activities that may be initiated by it.

Think about redirects to unsafe websites or recording of your browsing activity and decide whether you really want this to continue. If you don't, keep reading and we will explain how to delete the virus from your PC.

Reset Group Policy to uninstall “Installed by enterprise policy” extension

In order to remove “Installed by enterprise policy” extensions, add-ons or other apps, you have to change Group Policy settings firstby following these steps:

  1. Press Windows key + X and click Command Prompt (Admin) to open the program.
  2. In the Command Prompt enter these commands and hit Enter after typing each of them:
    rd /S /Q “%WinDir%\System32\GroupPolicyUsers”
    rd /S /Q “%WinDir%\System32\GroupPolicy”
    gpupdate /force

Once you hit Enter after the last command, you should receive these notifications:
User Policy update has completed successfully.
Computer Policy update has completed successfully.

It means that “Installed by enterprise policy” removal is completed and now you can uninstall all unwanted applications from the computer and the browsers. You can find manual removal guide below.

Additionally, you can remove “Installed by enterprise policy” virus from Windows and the browser using reputable anti-malware/anti-spyware that will identify and uninstall potentially dangerous or malicious applications.

You can remove virus damage automatically with a help of one of these programs: Reimage, Malwarebytes MalwarebytesCombo Cleaner, Plumbytes Anti-MalwareMalwarebytes Malwarebytes. We recommend these applications because they detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove “Installed by enterprise policy” extension, follow these steps:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase “Installed by enterprise policy” extension from Windows systems

While the experts recommend cleaning up the computer using automatic software, sometimes this option may not be available. In such cases, you can try to remove the parasite from your PC manually.

First of all, you have to change Group Policy settings:

  1. Open Command Prompt by hitting Windows key + R and choosing Command Prompt (Admin) from the appeared list.
  2. Type the following commands and click Enter after each of them:
    rd /S /Q “%WinDir%\System32\GroupPolicyUsers”
    rd /S /Q “%WinDir%\System32\GroupPolicy”
    gpupdate /force

When the last command is executed, you will see these sayings that mean that Group Policy is reset:

User Policy update has completed successfully.
Computer Policy update has completed successfully.

Once it's done, you have to uninstall malicious apps from Control Panel as shown below and check web browsers for a suspicious components. Even though “Installed by enterprise policy” is Chrome's feature, you should check all browsers installed on your PC because PUPs might install their components to other browsers as well.

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall “Installed by enterprise policy” extension and related programs
    Here, look for “Installed by enterprise policy” extension or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove “Installed by enterprise policy” extension from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for “Installed by enterprise policy” extension or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Eliminate “Installed by enterprise policy” extension from Internet Explorer (IE)

Reset Internet Explorer after you are done with the virus removal. It will roll back the changes the virus has made to your browser.

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for “Installed by enterprise policy” extension and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete “Installed by enterprise policy” extension removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Uninstall “Installed by enterprise policy” extension from Microsoft Edge

To reset altered Microsoft Edge settings, you should perform a browser reset like explained below:

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, “Installed by enterprise policy” extension should be removed from your Microsoft Edge browser.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete “Installed by enterprise policy” extension from Mozilla Firefox (FF)

Reset Mozilla Firefox like explained in the tutorial below:

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select “Installed by enterprise policy” extension and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete “Installed by enterprise policy” extension removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of “Installed by enterprise policy” extension from Google Chrome

Roll back Google Chrome settings by completing this browser reset guide:

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select “Installed by enterprise policy” extension and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete “Installed by enterprise policy” extension removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase “Installed by enterprise policy” extension from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for “Installed by enterprise policy” extension or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete “Installed by enterprise policy” extension removal process. Select all options and click on 'Reset' button

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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