MSTOOLKITFILES.XYZ Pop-up is a dangerous hijacker powered by adware that installs in computer users’ browser, like Edge, safari, Internet Explorer, Google or Mozilla etc. It comes into your computer via browser security holes or computer security leaks. In addition, many shareware and shareware bundled with this adware, so when you download them from the internet, you should pay close attention to opt-out the installation of this malicious plug-in. And also you need to be careful when you click some unknown links and open some unsafe websites. In fact, it may hide itself in many places. Cyber criminals may also put this adware in your USB drivers, movies, share documents and email attachments etc. Thus, you should be careful when you are doing this online and download activities.
Once your computer gets infected with MSTOOLKITFILES.XYZ Pop-up, your computer may encounter lots of problems. The main purpose of this adware is to cheat you to buy something unwanted. When you surf the internet, you may find that there are numerous unwanted ads displaying in your screen, like banners, text-links, transitional, interstitial and full page ads etc. These ads contain lots of false information that may cheat you to buy some false products and download some unwanted programs.. You should be careful not to click some links in these ads because they may turn your pages into other malicious pages, in this way it makes convenience for other virus to come into your computer. Furthermore, it may slow down your browser and your system and cause a computer halted and computer crash. It changes your browser settings and redirects your search results to other evil pages.
What’s more, it may track your browsing activities and record you browsing history. Worse of all, it is also a big threat to your privacy and your confidential information that exist in your browser since it has the ability to collect your personal information and sensitive data, such as passwords, credit card and online bank account data etc. It is so dangerous and evil that you should remove it at once before it brings additional problems to your computer.

Manually Remove MSTOOLKITFILES.XYZ Pop-up from Windows OS

If you have computer security problems on Mac OS, please read this Mac Guide – How to Clean and Protect Your Mac?

(NOTE: Bookmark this page first because some steps may close your web browser or restart computer)

Please Take A Moment To Read This

If you believe that your computer has been infected with malware, you should consider using Wipersoft Anti-malware to search for MSTOOLKITFILES.XYZ Pop-up and other infections. Wipersoft is a professional Anti-malware Tool designed to identity, block and remove malware for PC.

Download WiperSoft Anti-malware

Quick Menu

Step 1. Remove MSTOOLKITFILES.XYZ Pop-up related plug-in, toolbar, add-on, extension from Chrome/Firefox/IE/Edge

Step 2. Uninstall MSTOOLKITFILES.XYZ Pop-up related programs from your computer;

Step 3. Change system folder settings to show all hidden files;

Step 4. Find and delete MSTOOLKITFILES.XYZ Pop-up related files in hidden folders;

Step 5. Find and remove MSTOOLKITFILES.XYZ Pop-up related registry files ;

Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove MSTOOLKITFILES.XYZ Pop-up related hijacker;

Step 1.Remove MSTOOLKITFILES.XYZ Pop-up related extension from Microsoft Edge/ Chrome/Firefox/IE

Note – If you cannot find or remove a malicious extension, please read next step.



On Chrome

  • Click the Chrome menu on the browser toolbar.
  • Click Tools.
  • Select Extensions.
  • Click the trash can icon to delete extensions that may be related with MSTOOLKITFILES.XYZ Pop-up.
  • A confirmation dialog appears, click Remove.

  • Click the menu button and choose Add-ons.
  • In the Add-ons Manager tab, select the Extensions panel.
  • Select add-ons that may be related with MSTOOLKITFILES.XYZ Pop-up and click Remove button
  • Click Restart now if it pops up.

  • Open the IE, click the Tools button , and click Manage add-ons.
  • Click Toolbars and Extensions on left side of the window., and then select extensions that may be related with MSTOOLKITFILES.XYZ Pop-up;
  • If the add-on can be deleted, you’ll see the Remove option. Click Remove and then click Close. Otherwise click Disable button.


  • Click More (…) on the address bar and select Extensions


  • Select extensions that may be related with MSTOOLKITFILES.XYZ Pop-up and click Uninstall button









Step 2.Uninstall MSTOOLKITFILES.XYZ Pop-up related programs from your computer

1. Press Win + R keys at the same time to launch Run box >> Then input: “Control Panel” and click OK



2. In Control Panel, click on Uninstall a program

MSTOOLKITFILES.XYZ Pop-up uninstalling

3. In the Programs and Features window, right click on apps that may be related with MSTOOLKITFILES.XYZ Pop-up, then click Uninstall/Change. Then select Uninstall option.

Note – If you cannot find or remove malicious program, please continue the below steps.

Step 3.Change system folder settings to show all hidden files

Win 7 / Vista User

MSTOOLKITFILES.XYZ Pop-up removal for win 7

  • Right-click the Windows Logo button and choose Open Windows Explorer.
  • Click Organize and choose Folder and Search Options.
  • Click the View tab, select Show hidden files and folders and then clear the checkbox for Hide protected system operating files.
  • Click Yes on the warning and then click OK.
Win 8 UserMSTOOLKITFILES.XYZ Pop-up removal for win 8

  • On your keyboard press the Windows + E keys.
  • Click the View tab.
  • Check File name extensions and Hidden items

Win 10 User

MSTOOLKITFILES.XYZ Pop-up removal for win 10

  • Open This PC, click View and select Options.
  • In the Folder Options window, choose View, select Show hidden files, folders, and drives, and then click OK.

Step 4.Find and delete suspicious files in the locations listed below:

%Temp%\[malware name]

%AppData%\[malware name]

%LocalAppData%\[malware name]

%LocalAppData%\[malware name].exe

%CommonAppData%\[malware name]



Virus and malware may hide its files in different locations of PC. If you are not able to locate files of MSTOOLKITFILES.XYZ Pop-up, you can try Wipersoft’s Malware Detection Tool to see if it will detect the unsafe files for you:

Download WiperSoft Anti-malware

Step 5. Find and remove nasty registry files related with MSTOOLKITFILES.XYZ Pop-up:

1. Open Registry Editor first:

  • Press Win [Windows key] + R on your keyboard.


  • Type regedit in the Run box and hit OK


2. Find out and remove all harmful registry files that may be related with MSTOOLKITFILES.XYZ Pop-up:

(Do Not Delete Any Registry File If You’re Not Familiar with It)

get rid of MSTOOLKITFILES.XYZ Pop-up


Wrong operation in Registry Editor might harm your computer.If you are not able to locate and identify the nasty registry files, we recommend using Wipersoft Anti-malware and see if it will find out unsafe registry files of infection for you. This may save you hours and avoid risks.

Download WiperSoft Anti-malware


Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove MSTOOLKITFILES.XYZ Pop-up

Reset Microsoft Edge

remove MSTOOLKITFILES.XYZ Pop-up from edge


1. Select More (…) on the address bar, then click Settings

2. click “Choose what to clear”

3. Select all the options and then click Clear button




Reset Chrome

remove MSTOOLKITFILES.XYZ Pop-up from chrome

1. Open Chrome, then click “Customize and control Google Chrome” button >> click Settings

2. Scroll down to the bottom, then click on Show advanced settings button

3. After clicking on Show advanced settings button, scroll down to the bottom and click on Reset browser settings button

. A message box will pop up to inform that your browser settings will be restored to their original defaults, click Reset button when it appears:

Reset Firefox


1. Open Firefox, then click on Firefox button, then Click on Help button, then Click on Troubleshooting Information

2. At the Troubleshooting Information page, click on Reset Firefox

3. A message box will pop up to let you confirm that you want to reset Firefox to its initial state, click Reset Firefox button when it appears:

Reset Internet Explorer

remove MSTOOLKITFILES.XYZ Pop-up from ie

1. Open Internet Explorer, then click on Tools, then click on Internet Options

2. On the Internet Options window: click on Advanced tab, then click Reset button

3. A message box will pop up to let you confirm that you want to reset all Internet Explorer Settings, click Reset button when it appears:

4. When the resetting process is done, you’ll see this message box, click Close

5. You’ll need to restart your Internet Explorer to complete the resetting process.

Tips for Threat Prevention

– Always running professional Antivirus or Antimalware and keep Firewall ON;

– Create System Restore Point regularly and back up important personal files;

– Avoid downloading free programs from unknown third party shared sites;

– Regularly update system via automatic system update;

– Don’t access porn sites or similar sites which are potentially harmful;

– Avoid opening any attachments of unknown emails.