(Removal Instructions) - updated Dec 2019 Removal Guide

What is

Chainthorn is a suspicious website that tries to push notifications directly to users' desktops is a potentially dangerous website that users can get redirected by adware or end up visiting if after being redirected from another malicious site is a push notification virus that is closely associated with adware,[1] although users might encounter the site when redirected from somewhere else. Just as many other sites of such kind, it asks users to allow notifications to be shown to view the alleged content which, in fact, does not even exist. The adware has also earned the name of Chainthorn virus due to the secrecy that its activities are based on. Besides, extensions related to this adware have been mostly spotted on Google Chrome web browsers, according to users' reports.[2]

As soon as users agree to request, they will start receiving deceptive pop-ups, deals, banners, offers, flashing windows and other intrusive content on Google Chrome, Safari, Mozilla Firefox, or any different installed browser. What is more, the activities may continue after the browser is turned off, and notifications will be delivered directly to desktops.

Type Push notification virus
Category Adware/PUP
Infiltration Software bundling, third-party sites
Main dangers Installation of other potentially unwanted software, money loss, malware infection
Termination Use security software or our manual removal guide below
Recovery To make sure your system is running well after the infection, scan it with FortectIntego

Without a doubt, the best way to remove Chainthorn notifications and pop-ups is not to enable them in the first place, although web browser setting tweak can fix the issue (we explain how to do that below – check the bottom section of the article). Nevertheless, if an adware program is involved, you will have to delete the potentially unwanted application from your device to stop redirects to scam, phishing, and other malicious sites similar to

By itself, adware is not considered to be malicious like malware, although the increasing security and privacy concerns from industry experts are rising. Therefore, adware infections like should never be underestimated, as careless web browsing on Google Chrome, Safari, Mozilla Firefox, Internet Explorer or another browser might lead you to phishing, scam or even malware-laden websites.

While intrusive pop-ups and other sponsored content should be big enough reason to start Chainthorn removal, another alarming feature of adware is information tracking. In most of the cases, the PUP places tracking cookies, web beacons,[3] and other tracking technologies on your browser, which can track the following information:

  • IP address
  • Search queries
  • Goelocation
  • ISP
  • Cookies
  • Technical details
  • Sites visited and the visit duration;
  • Links clicked, etc.

Even though this information is mostly considered to be anonymous, (nevertheless, in some countries or the US states, IP address is considered to be private data), you should not allow unknown parties affiliated with developers tracking you. Not only will alter the way you browse the internet, but it might also offer you goods or services, not of good quality. is a potentially unwanted program that usually travels within software bundles

Continuously, some adware programs, possibly also, might collect not only browsing-related data but track some private details such as the name/surname, residence address, billing address, or email of the user. Such information is not the one you would want to reveal to scammers or third-party developers as it might be misused for illegitimate purposes in the future.

Thus, you can negate all the adverse effects by removing the potentially unwanted program that is associated with developers. You can either scan your PC with anti-virus software or delete the unwanted program manually by resetting all the installed browsers. After that, experts[4] recommend scanning the device with FortectIntego to fix virus damage.

Also, note that might be capable of modifying web browser applications via the homepage and new tab sections. These changes can be reversed by terminating the potentially unwanted program only. This also includes cleaning infected web browser applications from bogus extensions, add-ons, and plug-ins. If you do not eliminate such components, the adware might return easily.

Continuously, potentially unwanted applications such as virus might be capable of eating your system's resources such as the CPU and GPU power. This sometimes is necessary in order to let the program push an excessive amount of adverts. If this happens, you might find your system and software starting to struggling. Afterward, it will supposedly prevent you from carrying out quality-full work. adware is an advertising website that might promote bogus offers

PUPs are not always a minor threat – avoid installing them in the first place

Browser redirect viruses might be pretty harmless, while, in other cases, might render the computer vulnerable to cyber attacks, especially if users start clicking on suspicious ads and sponsored content. Therefore, it is best to avoid potentially unwanted programs to bypass unnecessary risks.

The prevalence of PUPs can be explained by its deceptive distribution method – software bundling. In most of cases, users are quite hasty when it comes to the installation of freeware or shareware. However, free applications from third-party sites often include additional components that are often shady – adware, browser hijackers, or even malware like cryptominers.

Thus, when installing new software, pay close attention to the installation instructions, and never rush through steps. Additionally, always make sure you opt for Advanced/Custom settings instead of Recommended/Quick ones, as that's where most of the optional programs are hidden. Simply untick all the pre-selected boxes before proceeding, and you will avoid the installation of PUPs.

Remove notifications by uninstalling adware applications from your computer

As we previously mentioned, the appearance of the site on the web browser does not necessarily mean adware infection. However, if you noticed that Google Chrome or another browser is leading you to tech support scam, phishing, push notification sites on a regular basis, it is highly likely that adware is involved.

To remove virus from your device, you can scan it with anti-malware software or, if you are aware which program is causing troubles, uninstall via the Control Panel in Windows or moving it to Trash on Mac. After that, you can reset each of the installed browsers to make sure all elements and altered settings of the unwanted program are terminated.

If your device is not affected with adware, but you allowed notifications to be shown, you can achieve Chainthorn removal by following these steps:

Google Chrome

  • Click Menu and select Settings
  • Click Advanced and go to Privacy and security > Site Settings > Notifications - stop pop-ups from Chrome To stop notifications from on Chrome, go to advanced settings
  • You should see under Allow
  • Pick More Actions and then click on Block and then Remove stop notificationsLocated entry and press on Block and then Remove

Mozilla Firefox:

  1. Select Menu and then click Options
  2. Go to Privacy & Security > Notifications
  3. Select Settings find entry
  4. Pick Block from the drop-down menu


  1. Click on Safari and then select Preferences
  2. Pick Notifications
  3. Locate and select Deny

MS Edge:

  1. Click on More and select Settings
  2. Now pick View advanced settings
  3. Find and turn off notifications from being shown

You may remove virus damage with a help of FortectIntego. SpyHunter 5Combo Cleaner and Malwarebytes are recommended to 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 fix virus damage using Fortect Intego, submit a question to our support team and provide as much details as possible.
Fortect Intego has a free limited scanner. Fortect Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Fortect, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

Getting rid of Follow these steps

Uninstall from Windows

To remove the intrusive activity of form Windows, you should do the following:

Instructions for Windows 10/8  machines:

  1. Enter Control Panel into Windows search box and hit Enter or click on the search result.
  2. Under Programs, select Uninstall a program. Uninstall from Windows 1
  3. From the list, find the entry of the suspicious program.
  4. Right-click on the application and select Uninstall.
  5. If User Account Control shows up, click Yes.
  6. Wait till uninstallation process is complete and click OK. Uninstall from Windows 2

If you are Windows 7/XP user, proceed with the following instructions:

  1. Click on Windows Start > Control Panel located on the right pane (if you are Windows XP user, click on Add/Remove Programs).
  2. In Control Panel, select Programs > Uninstall a program. Uninstall from Windows 7/XP
  3. Pick the unwanted application by clicking on it once.
  4. At the top, click Uninstall/Change.
  5. In the confirmation prompt, pick Yes.
  6. Click OK once the removal process is finished.

Delete from macOS

Macs are not immune to adware. If you are suffering from PUP infection, perform these steps:

Remove items from Applications folder:

  1. From the menu bar, select Go > Applications.
  2. In the Applications folder, look for all related entries.
  3. Click on the app and drag it to Trash (or right-click and pick Move to Trash) Uninstall from Mac 1

To fully remove an unwanted app, you need to access Application Support, LaunchAgents, and LaunchDaemons folders and delete relevant files:

  1. Select Go > Go to Folder.
  2. Enter /Library/Application Support and click Go or press Enter.
  3. In the Application Support folder, look for any dubious entries and then delete them.
  4. Now enter /Library/LaunchAgents and /Library/LaunchDaemons folders the same way and terminate all the related .plist files. Uninstall from Mac 2

Remove from Microsoft Edge

Delete unwanted extensions from MS Edge:

  1. Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
  2. From the list, pick the extension and click on the Gear icon.
  3. Click on Uninstall at the bottom. Remove extensions from Edge

Clear cookies and other browser data:

  1. Click on the Menu (three horizontal dots at the top-right of the browser window) and select Privacy & security.
  2. Under Clear browsing data, pick Choose what to clear.
  3. Select everything (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear. Clear Edge browsing data

Restore new tab and homepage settings:

  1. Click the menu icon and choose Settings.
  2. Then find On startup section.
  3. Click Disable if you found any suspicious domain.

Reset MS Edge if the above steps did not work:

  1. Press on Ctrl + Shift + Esc to open Task Manager.
  2. Click on More details arrow at the bottom of the window.
  3. Select Details tab.
  4. Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running. Reset MS Edge

If this solution failed to help you, you need to use an advanced Edge reset method. Note that you need to backup your data before proceeding.

  1. Find the following folder on your computer: C:\\Users\\%username%\\AppData\\Local\\Packages\\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  2. Press Ctrl + A on your keyboard to select all folders.
  3. Right-click on them and pick Delete Advanced MS Edge reset 1
  4. Now right-click on the Start button and pick Windows PowerShell (Admin).
  5. When the new window opens, copy and paste the following command, and then press Enter:

    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppXManifest.xml” -Verbose Advanced MS Edge reset 2

Instructions for Chromium-based Edge

Delete extensions from MS Edge (Chromium):

  1. Open Edge and click select Settings > Extensions.
  2. Delete unwanted extensions by clicking Remove. Remove extensions from Chromium Edge

Clear cache and site data:

  1. Click on Menu and go to Settings.
  2. Select Privacy, search and services.
  3. Under Clear browsing data, pick Choose what to clear.
  4. Under Time range, pick All time.
  5. Select Clear now. Clear browser data from Chroum Edge

Reset Chromium-based MS Edge:

  1. Click on Menu and select Settings.
  2. On the left side, pick Reset settings.
  3. Select Restore settings to their default values.
  4. Confirm with Reset. Reset Chromium Edge

Remove from Mozilla Firefox (FF)

You should fully reset Mozilla Firefox after PUP termination:

Remove dangerous extensions:

  1. Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
  2. Select Add-ons.
  3. In here, select unwanted plugin and click Remove. Remove extensions from Firefox

Reset the homepage:

  1. Click three horizontal lines at the top right corner to open the menu.
  2. Choose Options.
  3. Under Home options, enter your preferred site that will open every time you newly open the Mozilla Firefox.

Clear cookies and site data:

  1. Click Menu and pick Settings.
  2. Go to Privacy & Security section.
  3. Scroll down to locate Cookies and Site Data.
  4. Click on Clear Data…
  5. Select Cookies and Site Data, as well as Cached Web Content and press Clear. Clear cookies and site data from Firefox

Reset Mozilla Firefox

If clearing the browser as explained above did not help, reset Mozilla Firefox:

  1. Open Mozilla Firefox browser and click the Menu.
  2. Go to Help and then choose Troubleshooting Information. Reset Firefox 1
  3. Under Give Firefox a tune up section, click on Refresh Firefox…
  4. Once the pop-up shows up, confirm the action by pressing on Refresh Firefox. Reset Firefox 2

Remove from Google Chrome

Adware and other PUPs often leave web browser settings altered, even after its removal. Thus, make sure you reset Google Chrome as follows:

Delete malicious extensions from Google Chrome:

  1. Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
  2. In the newly opened window, you will see all the installed extensions. Uninstall all the suspicious plugins that might be related to the unwanted program by clicking Remove. Remove extensions from Chrome

Clear cache and web data from Chrome:

  1. Click on Menu and pick Settings.
  2. Under Privacy and security, select Clear browsing data.
  3. Select Browsing history, Cookies and other site data, as well as Cached images and files.
  4. Click Clear data. Clear cache and web data from Chrome

Change your homepage:

  1. Click menu and choose Settings.
  2. Look for a suspicious site in the On startup section.
  3. Click on Open a specific or set of pages and click on three dots to find the Remove option.

Reset Google Chrome:

If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:

  1. Click on Menu and select Settings.
  2. In the Settings, scroll down and click Advanced.
  3. Scroll down and locate Reset and clean up section.
  4. Now click Restore settings to their original defaults.
  5. Confirm with Reset settings. Reset Chrome 2

Delete from Safari

Remove unwanted extensions from Safari:

  1. Click Safari > Preferences…
  2. In the new window, pick Extensions.
  3. Select the unwanted extension and select Uninstall. Remove extensions from Safari

Clear cookies and other website data from Safari:

  1. Click Safari > Clear History…
  2. From the drop-down menu under Clear, pick all history.
  3. Confirm with Clear History. Clear cookies and website data from Safari

Reset Safari if the above-mentioned steps did not help you:

  1. Click Safari > Preferences…
  2. Go to Advanced tab.
  3. Tick the Show Develop menu in menu bar.
  4. From the menu bar, click Develop, and then select Empty Caches. Reset Safari

After uninstalling this potentially unwanted program (PUP) and fixing each of your web browsers, we recommend you to scan your PC system with a reputable anti-spyware. This will help you to get rid of registry traces and will also identify related parasites or possible malware infections on your computer. For that you can use our top-rated malware remover: FortectIntego, SpyHunter 5Combo Cleaner or Malwarebytes.

How to prevent from getting adware

Do not let government spy on you

The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices. Avoid any unwanted government tracking or spying by going totally anonymous on the internet. 

You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using Private Internet Access VPN.

Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.

Backup files for the later use, in case of the malware attack

Computer users can suffer from data losses due to cyber infections or their own faulty doings. Ransomware can encrypt and hold files hostage, while unforeseen power cuts might cause a loss of important documents. If you have proper up-to-date backups, you can easily recover after such an incident and get back to work. It is also equally important to update backups on a regular basis so that the newest information remains intact – you can set this process to be performed automatically.

When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware strikes out of nowhere. Use Data Recovery Pro for the data restoration process.

About the author
Julie Splinters
Julie Splinters - Anti-malware specialist

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