What is Witarheckrenning.pro? Why does it keep loading in your browser? How to remove Witarheckrenning.pro and improve PC security?
Witarheckrenning.pro is a browser redirect that generates false information in an attempt to trick users into subscribing to its push notifications. Its purpose is to become able to generate sponsored content in the browser and loads ads on the desktop. Oftentimes, its unexpected appearance comes as a result of visiting another bogus website or having a potentially unwanted program on the computer. Either way it is recommendable to scan the system for any present harmful files.


Threat Summary
Name | Witarheckrenning.pro |
Type | Browser Redirect, PUP |
Short Description | A questionable website that interrupts browsing without permission. |
Symptoms | Pop-up demands permission for notifications’ generation. Increased number of online ads start to load in the browser. The browser is slower than usual. |
Distribution Method | Freeware Installations, Bundled Packages, Corrupted Websites |
Detection Tool | See If Your System Has Been Affected by Witarheckrenning.pro Download Malware Removal Tool |
User Experience | Join Our Forum to Discuss Witarheckrenning.pro. |


Witarheckrenning.pro Ads – Spreading and Impact
Witarheckrenning.pro is an invasive browser redirect that affects commonly used web browsers like Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, Opera and Safari. Very often its unexpected appearance signifies that a potentially unwanted program is running on the computer.
When these annoying redirect ads are pushed by an active undesired program, it is very likely that some personally and non-personally details will be obtained by the program. As found in the Privacy Policy section of Witarheckrenning.pro, once its associated software is installed on the machine it activates various tracking technologies to collect all of the following details:
- User’s browser name
- Internet protocol (IP) address
- Browser type
- Internet service provider (ISP)
- The type of Internet device
- The User’s use of such device
- The operating system
- Date/time stamp
- Clickstream data
Based on collected data, more targeted ads and other commercial information will be delivered in the affected browser. Furthermore, the data may be shared with unknown third-parties.
The undesired program associated with Witarheckrenning.pro redirect ads may have landed on the device via the so-called spread method software bundling. Software bundles contain regular apps that have added extras in their installers. The installers are designed to hide information about featured extras. As a result, the extras may get installed by default. The good news is that the selection of the Advanced/Custom configuration step may reveal the presence of PUPs and eventually give the option to cancel their installation.
As of the redirect, it loads in the browser to display misleading information and eventually be permitted to generate sponsored content in the browser.
A significant issue that may occur in the event that this website receives permission to access the browser is slower browser performance. It may be caused by an increased number of pop-ups and other types of online ads that flood all visited websites.
Beware that this browser redirect is yet another bogus website used for the realization of shady advertising campaigns. Interacting with the presented content is better to be avoided.


How to Remove Witarheckrenning.pro Redirect Ads
In order to remove Witarheckrenning.pro ads along with all associated files that generate it in the browser, you should follow several removal steps. In the guide below you will find all removal steps in their precise order. You could choose between manual and automatic removal approaches. In order to fully get rid of all present undesired programs and improve computer security, we recommend that you combine the steps.
In case you have further questions or need additional help with the removal process, don’t hesitate to leave a comment. We will be glad to get in touch with you.



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.
Preparation before removing Witarheckrenning.pro.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
Step 1: Boot Your PC In Safe Mode to isolate and remove Witarheckrenning.pro










Step 2: Clean any registries, created by Witarheckrenning.pro on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Witarheckrenning.pro there. This can happen by following the steps underneath:






Step 3: Find files created by Witarheckrenning.pro




For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.
For Older Windows Operating Systems
In older Windows OS’s the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
Before starting “Step 4”, please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for Witarheckrenning.pro with SpyHunter Anti-Malware Tool
Step 5 (Optional): Try to Restore Files Encrypted by Witarheckrenning.pro.
Ransomware infections and Witarheckrenning.pro aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
For more “how-to” file recovery methods and steps, you can visit our instructive article on “How to Restore Files Encrypted by Ransomware (Without Decrypter)“.



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.
Preparation before removing Witarheckrenning.pro.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
Step 1: Boot Your PC In Safe Mode to isolate and remove Witarheckrenning.pro










Step 2: Clean any registries, created by Witarheckrenning.pro on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Witarheckrenning.pro there. This can happen by following the steps underneath:






Step 3: Find files created by Witarheckrenning.pro




For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.
For Older Windows Operating Systems
In older Windows OS’s the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
Before starting “Step 4”, please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for Witarheckrenning.pro with SpyHunter Anti-Malware Tool



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.
Preparation before removing Witarheckrenning.pro.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Be patient as this could take a while.
Step 1: Uninstall Witarheckrenning.pro and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:






Step 2: Clean your Browsers from Witarheckrenning.pro.








2. Select the “Add-ons” icon from the menu.
3. Select the unwanted extension and click “Remove“
4. After the extension is removed, restart Mozilla Firefox by closing it from the red “X” button at the top right corner and start it again.
2. Move the cursor over “Tools” and then from the extended menu choose “Extensions“
3. From the opened “Extensions” menu locate the unwanted extension and click on its “Remove” button.
4. After the extension is removed, restart Google Chrome by closing it from the red “X” button at the top right corner and start it again.
2. Click on the gear icon labeled ‘Tools’ to open the drop menu and select ‘Manage Add-ons’
3. In the ‘Manage Add-ons’ window.
4. Select the extension you want to remove and then click ‘Disable’. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click ‘Disable’.
5. After the unwanted extension has been removed, restart Internet Explorer by closing it from the red ‘X’ button located at the top right corner and start it again.
2. Open the drop menu by clicking on the icon at the top right corner.
3. From the drop menu select “Extensions”.
4. Choose the suspected malicious extension you want to remove and then click on the gear icon.
5. Remove the malicious extension by scrolling down and then clicking on Uninstall.
Step 3: Clean any registries, created by Witarheckrenning.pro on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Witarheckrenning.pro there. This can happen by following the steps underneath:






Before starting “Step 4”, please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for Witarheckrenning.pro with SpyHunter Anti-Malware Tool



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.
Preparation Phase:
Before starting to follow the steps below, be advised that you should first do the following preparations:
- Backup your files in case the worst happens.
- Make sure to have a device with these instructions on standy.
- Arm yourself with patience.
Step 1: Uninstall Witarheckrenning.pro and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Witarheckrenning.pro via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Remove Witarheckrenning.pro – related extensions from Safari / Chrome / Firefox






Step 3: Scan for and remove Witarheckrenning.pro files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Witarheckrenning.pro, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.



Gergana Ivanova
Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.