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Remove Tampermonkey (Removal Guide) - Free Instructions

removal by Jake Doevan - - | Type: Adware

Tampermonkey is a potentially unwanted program that gets on your computer in the form of additional browser content 

Tampermonkey adware
Tampermonkey is a program promoted as a useful browser extension but it displays intrusive commercial content and gives no value instead.
Tampermonkey is a browser extension developed by Jan Biniok and promoted as a useful browser manager tool. However, once this intruder arrives on the system, it begins throwing various commercial content on the screen in the form of pop-up ads and coupons or commercial offers. The promotional material for this program states about the help that it provides for the everyday user, but the primary purpose of this application is to make money from advertisements it displays. Tampermonkey adware is not malicious in a way various malware[1] programs are, but you need to eliminate it from the machine so you can forget about all unwanted behavior.

Name Tampermonkey
Type Adware/PUP[2]
Symptoms Delivers intrusive ads, chares promotions, and commercial proposals
Developed by Jan Biniok
Promoted as Useful browser addition used to manage features
Distribution Software bundles, deceptive download sites, and providers
Affects Various operating systems
Fix Clean the system using Reimage and remove Tampermonkey 

Tampermonkey adware is promoted as a user script manager that is compatible with various types of browsers and offers features like the overview of running scripts and automatic updates or synchronization. However, this quickly installing browser extension can be categorized as a potentially unwanted program and adware.

This Tampermonkey virus suggests allowing access to your data and, in most cases, these details are collected and stored on remote servers for the later use of generating personalized advertisements. All this commercial content gets automatically delivered to your screen:

  • pop-unders;
  • pop-ups;
  • banners;
  • hyperlinks;
  • redirects;
  • additional browser content.

Tampermonkey tracks information about your data on websites, your browsing activity, applications, themes and usage of them. Also, most visited sites or items or even account credentials can be accessed by this intruder. When you install the program willingly, you get an additional notification about the extension and the features of data tracking that you need to allow. 

Additionally, Tampermonkey developers state about the collected information in the section of Privacy Policy on their site. The Collection of general data and information section reads the following:

The website of the company Jan Biniok collects a series of general data and information when a data subject or automated system calls up the website. This general data and information are stored in the server log files. Collected may be (1) the browser types and versions used, (2) the operating system used by the accessing system, (3) the website from which an accessing system reaches our website (so-called referrers), (4) the sub-websites, (5) the date and time of access to the Internet site, (6) an Internet protocol address (IP address), (7) the Internet service provider of the accessing system, and (8) any other similar data and information that may be used in the event of attacks on our information technology systems.

When using these general data and information, the company Jan Biniok does not draw any conclusions about the data subject. Rather, this information is needed to (1) deliver the content of our website correctly, (2) optimize the content of our website as well as its advertisement, (3) ensure the long-term viability of our information technology systems and website technology, and (4) provide law enforcement authorities with the information necessary for criminal prosecution in case of a cyber-attack. Therefore, the company Jan Biniok analyzes anonymously collected data and information statistically, with the aim of increasing the data protection and data security of our enterprise, and to ensure an optimal level of protection for the personal data we process. The anonymous data of the server log files are stored separately from all personal data provided by a data subject.

Based on these facts about the program, you should be eager to remove Tampermonkey from the system as soon as possible. This is a fairly straightforward process that involves then initial uninstallation of the program and general system cleaning using tools like Reimage.

Tampermonkey removal should be followed by a full system scan using a program that detects all possible threats and deletes them from the system. Researchers[3] advise opting for this method of virus removal, especially when dealing with potentially unwanted programs. 

Potentially unwanted software come without users' knowledge

If you fall for the promotional advertisements and various developers' promises about this intruder, you may install the extension or additional application willingly. However, the main distribution technique for this type of cyber intruders is freeware installations which contain bundled software.

These packages are formed by freeware providers and PUP developers when they put their products together and spread around the internet. When you get freeware from questionable sources or skip through installation steps, you risk downloading additional unwanted programs.

If you opt for Advanced or Custom installations, you can allow or de-select these installations of unwanted content. You should always choose a reputable provider when getting software or even updates. Also, read Privacy Policy on the website of a program you are downloading. 

Terminate suspicious processes and uninstall Tampermonkey

To safely and surely remove Tampermonkey, you should rely on professional tools developed for malware removal. Anti-malware programs that we list below can scan the system thoroughly and eliminate all suspicious or even dangerous programs and files.

Opt for automatic Tampermonkey removal and use these tools to clean the system fully. You can uninstall the main program, but you still should scan the machine to eliminate any virus damage or fix related issues.

Make sure to change browser preferences and uninstall Tampermonkey or any similar content. Locate to Settings/Preferences on your browser and remove all unwanted or suspicious websites from Notifications section.

You can remove virus damage automatically with a help of one of these programs: Reimage, SpyHunterCombo Cleaner, Malwarebytes 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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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
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 SpyHunter.
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 Tampermonkey, follow these steps:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete Tampermonkey from Windows systems

You can eliminate Tampermonkey from the device with this guide:

  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 Tampermonkey and related programs
    Here, look for Tampermonkey 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

Erase Tampermonkey 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 Tampermonkey 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

Uninstall Tampermonkey from Internet Explorer (IE)

  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 Tampermonkey 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 Tampermonkey 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

Eliminate Tampermonkey from Microsoft Edge

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, Tampermonkey should be removed from your Microsoft Edge browser.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of Tampermonkey from Mozilla Firefox (FF)

Don't forget to clean the browser after Tampermonkey uninstallation:

  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 Tampermonkey 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 Tampermonkey removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove Tampermonkey from Google Chrome

Change settings to default on your Chrome, to make sure it normally works:

  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 Tampermonkey 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 Tampermonkey removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete Tampermonkey 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 Tampermonkey 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 Tampermonkey removal process. Select all options and click on 'Reset' button

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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