I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:

Manual removal instructions:


MSTOOLKITFILES.XYZ Adware displays popup ads, redirects to unwanted websites, opens a new tabs and browser windows.

Also, MSTOOLKITFILES.XYZ may replace your default search engine and the browser start page.

MSTOOLKITFILES.XYZ infects Google Chrome, Firefox, Microsoft Edge, Internet Explorer.


MSTOOLKITFILES.XYZ usually infects your computer while being downloaded in a bundle with a popular hacked programs or while being included in downloaded file with a bunch of other Trojans.

MSTOOLKITFILES.XYZ virus accomplishes this tasks by registering virus process in startup or by automatically launching malicious sites.

You have 2 ways to remove MSTOOLKITFILES.XYZ:

You have 2 ways

Remove it automatically1. Remove Automatically.
Remove it manually2. Remove Manually.

Why I recommend you to use an automatic way?

  1. You know only one virus name: "MSTOOLKITFILES.XYZ", but usually you have infected by a bunch of viruses.
    The UnHackMe program detects this threat and all others.
  2. UnHackMe is quite fast! You need only 5 minutes to check your PC.
  3. UnHackMe uses the special features to remove hard in removal viruses. If you remove a virus manually, it can prevent deleting using a self-protecting module. If you even delete the virus, it may recreate himself by a stealthy module.
  4. UnHackMe is small and compatible with any antivirus.
  5. UnHackMe is fully free for 30-days!

Here’s how to remove MSTOOLKITFILES.XYZ virus automatically:

STEP 1: Install UnHackMe (1 minute)

STEP 2: Scan for malware using UnHackMe (1 minute)

STEP 3: Remove MSTOOLKITFILES.XYZ virus (3 minutes)

So it was much easier to fix such problem automatically, wasn't it?
That is why I strongly advise you to use UnHackMe for remove MSTOOLKITFILES.XYZ redirect or other unwanted software.

How to remove MSTOOLKITFILES.XYZ manually:

STEP 1: Check all shortcuts of your browsers on your desktop, taskbar and in the Start menu. Right click on your shortcut and change it's properties.


You can see MSTOOLKITFILES.XYZ or another web site at the end of shortcut target (command line). Remove it and save changes.

In addition, check this command line for fake browser's trick.
For example, if a shortcut points to Google Chrome, it must have the path:
C:\Program Files (x86)\Google\Chrome\Application\chrome.exe.
Fake browser may be: …\Appdata\Roaming\HPReyos\ReyosStarter3.exe.
Also the file name may be: “chromium.exe” instead of chrome.exe.

STEP 2: Investigate the list of installed programs and uninstall all unknown recently installed programs.

check installed programs to uninstall

STEP 3: Open Task Manager and close all processes, related to MSTOOLKITFILES.XYZ in their description. Discover the directories where such processes start. Search for random or strange file names.

Remove MSTOOLKITFILES.XYZ virus from running processes

Remove MSTOOLKITFILES.XYZ virus from running processes

STEP 4: Inspect the Windows services. Press Win+R, type in: services.msc and press OK.

Remove MSTOOLKITFILES.XYZ virus from Windows services

Remove MSTOOLKITFILES.XYZ virus from Windows services

Disable the services with random names or contains MSTOOLKITFILES.XYZ in it's name or description.

STEP 5: After that press Win+R, type in: taskschd.msc and press OK to open Windows Task Scheduler.
Remove MSTOOLKITFILES.XYZ from scheduled task list.

Delete any task related to MSTOOLKITFILES.XYZ. Disable unknown tasks with random names.

STEP 6: Clear the Windows registry from MSTOOLKITFILES.XYZ virus.
Press Win+R, type in: regedit.exe and press OK.

Remove MSTOOLKITFILES.XYZ virus from Windows registry

Remove MSTOOLKITFILES.XYZ virus from Windows registry

Find and delete all keys/values contains MSTOOLKITFILES.XYZ.

STEP 7: Remove MSTOOLKITFILES.XYZ from Google Chrome.
Remove MSTOOLKITFILES.XYZ Virus from Chrome Extensions

STEP 8: Remove MSTOOLKITFILES.XYZ from Internet Explorer.

Set Internet Explorer Homepage

Set Internet Explorer Homepage

STEP 9: Remove MSTOOLKITFILES.XYZ from Mozilla Firefox.

Change Firefox Home Page

Change Firefox Home Page

STEP 10: And at the end, clear your basket, temporal files, browser's cache.

But if you miss any of these steps and only one part of virus remains – it will come back again immediately or after reboot.

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