How to remove Looker extension virus

Easy tips to delete Looker extension virus

Looker extension is one of many browser extensions that do not deliver the promised functions. Instead, they bring lot of unwanted behaviors, such as altering the main settings – homepage, new tab pages and search engine options.

It can also cause an increase amount of commercial content like pop-ups, banners, redirects and promotional links in the search results. Therefore, we strongly advise you not to add such plug-ins to your web browser at the first place.

Distribution strategies

Crooks use pages from rogue ad-networks to spread their harmful creations. These pages often utilize social engineering techniques to trick people into clicking on Install button. One such example includes a message – “TO CONTINUE – ADD EXTENSION TO CHROME”.

 The message clearly tries to indicate that the users need to download this extension to access the content. You should note that that you have never to such things on a legitimate website. Your web browser cannot block any website or content on a website unless it is harmful.

Never download any plug-ins or software promoted on such pages. For the purpose, employ only official web stores.  The apps listed there go through an extensive review process. Nevertheless, you should still do research and read the reviews, look at the rating and the number of users and use only  those plug-ins that have plenty of positive feedbacks and thousands of users.

Get rid of cookies and caches

Browser extensions bear the potential data tracking. They use various tracking technologies such as cookies for the purpose. These small data files can store the data include IP addresses, geo-locations, websites you visit, links you click on and things you purchase online.

Although the cookies are inherently bad, if these data end up on wrong hands, your details could be used and sold to rogue ad-networks or other third-parties. This is why, security experts strongly recommend you to clear cookies and caches regularly.

Remove the plug-in

Go to the list of the extensions on the web browsers’ settings and look for the Looker extension in it and make sure you remove it from the list. We have provided below the complete detailed guide how you can do this on different web browsers.

Scan for adware infection

There is a possibility that the unwanted symptoms are caused due to potentially unwanted applications installed inside. Usually, adware and other types of PUAs sneak in through freeware distribution platforms.

Such platforms include additional programs in the installers with the hope that the users will not notice.  Unfortunately, that is what exactly happens all the time. You should require always using Custom/Advanced installation settings, read Privacy Policy and Terms of Use and manually check for the unwanted apps for their de-selection.

Identifying such apps is never easy because these are often disguised as some handy tools. That is why, we strongly recommend you employ some reputable antivirus tool and run a full systems can using it. The software will find and delete Looker extension and all associated components.

Special Offer (For Windows)

The presence of Looker extension on your computer for a long time may cause dangerous consequences. So, it’s better to scan your system with Spyhunter scanner to find and remove all suspicious elements.

For more information, read SpyHunter’s EULA, Threat Assessment Criteria, and Privacy Policy. Spyhunter checks that your computer has malware with its free trial version. If found any threat, it takes 48 hours time for its removal. If you need to eliminate Looker extension instantly, you are required to purchase licensed version of this software.

Special Offer (Macintosh)

In case if you are running a Macintosh, it’s recommended to use here mentioned antimalware utility to scan and clean your device against all threats.

You can perform Looker extension removal in possibly two ways, namely Manual and Automatic. Manual process involves performing the removal process by hands. It is a lengthy, complex and risky process. You require advanced IT knowledge for proceeding with it and must have an experience of removing malware before.

In the manual mode of removing the unwanted program process, you might delete some crucial system files that would have a negative consequence and might result in severe system damages. Thus, it is always suggested you to opt for automatic mode. It includes using a security tool. It is a mechanism to search for malicious files and eradicate them with ease.

We have, however, provided below both manual as well as automatic guide for you to delete Looker extension from the system and leave it up to you to decide which methods you want to use.

How to remove Looker extension from Windows

Manual Guide:

Instructions for Windows 11 users:

  • Right-click on the start icon and select Apps and Features,
  • In the opened window, search for suspicious app you want to delete,
  • Once find, click on the three vertical dots and select Uninstall.

If you are Windows 10/ 8 user

  • Open Search box, type in Control Panel within and hit Enter on the search result,
  • Under the Programs section, select ‘Uninstall a program’,
  • In the appeared list, check for the entry of the suspicious program,

  • Right-click on it and select Uninstall,
  • Click Yes on User Account Control pop-up, if appears,
  • Wait for the process to complete and click OK.

If you are using Windows 7/ XP, proceed with the below steps:

  • Click on Windows Start and select Control Panel on the right (for XP users, click on Add and then Remove programs option),

  • In the Control Panel, select Programs > Uninstall a program,
  • Find the suspicious app and click on it once,
  • Click Uninstall/ Change option on the top,
  • Confirm with clicking ‘Yes’ option on the appeared prompt,
  • Finally, click OK to finish the process.

Automatic Guide:

As said, automatic guide involves using a security tool. With the use of such tools, the burden of the virus removal would become easy for the users because it does not require high technical skills to run any application. Also, the automatic steps are safe and effective one – you can assure that Looker extension and all related components would be removed from the system.

However, for this, you should require using a powerful Antivirus Software. This software product should have a capability of detect and delete potentially unwanted app. Such apps can bypass the normal antivirus including Windows Defender because they appear to have various useful functionalities. But, as you know now, various malicious functions they include with them in actual.

To detect their real picture, we recommend you use SpyHunter on Windows Operating System. This tool can detect and remove any grayware, potentially unwanted app, tracking cookies and other nuisances. Not only that, it can even help you in performing the removal process if you stuck somewhere in the process by using the special HelpDesk Feature.

The security tool keeps its malware definition regularly updated. Thus, you can keep this tool installed on your PC even after the virus removal so as to get the complete system protection from malware such as Trojans, rootkits, botnets, keyloggers, worms, browser hijackers, adware and other harmful or unwanted objects. The software is easy to use and this feature is yet another thing makes it superior than any other alternatives.

SpyHunter; Download/ installation guide

  • Click on the below provided link to download a setup file for SpyHunter,

Click here to download for Spyhunter Anti-Malware

  • The SpyHunter-installer.exe setup file can be found within download dialogue box after the download process is complete,

  • Double-click on it to open it and to initiate the installation process,
  • A User Account Control box appears next, confirm with Yes,

  • Now, you are asked for language selection, Choose one from the list of your choice and click on Ok button,

  • Click on Continue button next to it to proceed,

  • Read and accept the EULA and Privacy Policy of the software and finally click on install button,

  • Wait for the process to complete,

  • Once done, you would see a finish Click on it to complete the installation process.


Guide to perform system scan

  • Open SpyHunter, and go to the Home Menu tab,
  • Click on the Start Scan Button so that the program scans for viruses,

  • Once after the scan, it provides the scan results and asks you to delete the viruses found.

To delete those detected threats, you would have to register the program at first. Below is the guide for you how you can register for the program:

Register for the Program

  • You would see Register Button at the top right corner of the program window, click on it and then select Buy,

  • On the purchase page, fill the customer details and a valid email address,
  • Choose your plan next to it and submit the payment,
  • Once done, you will receive an email confirmation message with username and password on it,
  • Enter that username and password in the Account tab on the Settings option to avail the full features of the program.

Remove detected threats

  • SpyHuntercategorizes all the detected threats during the system scan in total five categories. These are “Malware“, “PUPs” (Potentially Unwanted Programs), “Privacy“, “Vulnerabilities“, and “Whitelisted objects“,

  • Just click on the Objects you want to delete and click on the Next button to continue with and complete the deletion process,
  • You can hear quarantine an object if you want to restore it to the system sometimes later using the program’s restore feature.

Special Offer (For Windows)

The presence of Looker extension on your computer for a long time may cause dangerous consequences. So, it’s better to scan your system with Spyhunter scanner to find and remove all suspicious elements.

For more information, read SpyHunter’s EULA, Threat Assessment Criteria, and Privacy Policy. Spyhunter checks that your computer has malware with its free trial version. If found any threat, it takes 48 hours time for its removal. If you need to eliminate Looker extension instantly, you are required to purchase licensed version of this software.

Special Offer (Macintosh)

In case if you are running a Macintosh, it’s recommended to use here mentioned antimalware utility to scan and clean your device against all threats.

Delete Looker extension from MacOS X

Manual Guide:

  • Click on Finder,
  • On the opened screen, select Applications,
  • In the Application folder, check for all related entries,
  • Click on the app and drag it to the Trash.

Now, go to the Application support, LanchAgents and LaunchDaemons folders and delete relevant files to complete the PUA removal process:

  • Select Go> Go to the Folder,
  • Type/Library/Application Supportand press Enter,
  • In the Application Support folder, look for the dubious entries and delete them,
  • Similarly, enter/Library/LaunchAgents and /Library/LaunchDaemonsfoldersone-by-one next after this and remove all related .phlist files.

Automatic Guide:

For Mac, we would recommend you use Combo Cleaner -a complete utility application designed for Mac operating systems. It can remove any sorts of infections whether it is adware, browser hijacker, Trojan and any other. It can single handedly works for the system protection as well as their optimization. The tool is easy to use and provides regular virus updates to its database that gives it slight an edge over any other alternatives.

Combo Cleaner; download/ installation guide

From the below link, you can download the setup file for the program,

Click here to download for Combo Cleaner Anti-Malware

  • The downloaded file would be combocleaner.dmg,
  • Double-click on this file to open it on a newly opened window,
  • Follow the on-screen instructions to complete its installation process.

Once after the installation process is complete, drag the Combo Cleaner program and drop it onto the Application Folder icon. Go to the Launchpad the then and click on the Combo Cleaner icon. The software will then start updating its virus signature database. Once the process is complete, the program will be ready to use.

Follow the below instructions how to use it for system scan and to detect and remove suspicious programs.

Guide to scan the system for viruses and remove Looker extension

  • Launch the program,
  • Go to the Antivirus tab, you will see scanning options such as Quick Scan, Full Scan and Custom scan over there,
  • Perform Full scan for the first time,

  • Let the scan to be completed. When done, the program shows you a list of the threats found,

  • To remove them, click on Remove All Threats option below to it,

  • The threat removal process would begin,
  • After that, click on the uninstaller button to find and remove all unwanted apps,
  • Select the program and related files and click on Remove Selected items.

Remove Looker extension from Internet browsers

At lastly, you would have to delete malicious browser extensions, cookies and site data and change the settings such as homepage and new tab pages to the default. This is something you would have to do with all browsers installed and in-use. Don’t worry! Below you will find the respective guide.

Instructions for Google Chrome Browser

Delete unwanted extensions

  • Open Chrome and click on the Chrome menu (at the right-corner of the Google Chrome),
  • Select More Tools and click on Extensions,
  • Locate all recently-installed suspicious browser add-on presented there and remove it.

Clear cache and web data

  • Go to the Chrome’s Settings (from the Chrome menu),
  • Now, under the Privacy and Security, select Clear browsing data,
  • Select Browsing history, Cookies and other site data as well as cached images and files,
  • Finally, click on Clear data.

Change the browser’s homepage

  • On the Settings page, select the On startup option,
  • Check for the suspicious site over there,
  • Click on Open a specific or set of pages and click on the three dots to find the Remove

Reset Google Chrome

If previous methods did not work, reset the Google Chrome browser to remove all unwanted components:

  • In the Chrome’s Settings, scroll down to find Advanced,
  • Locate Reset and clean up section there,
  • Now, click on Restore settings to their original defaults option
  • Confirm with clicking Reset settings.

Guide for Mozilla Firefox

Remove malicious plug-ins

  • Open Firefox and click on Menu(the three horizontal lines on the top-right corner of the window),
  • Select Add-ons and click on Extensions,
  • Here, find the suspicious plug-in and Remove them.

Reset the homepage

  • From the Firefox’s menu, choose Options,
  • Now, under the Home section, enter your preferred that you want to open every time with the newly open Firefox.

Clear cookies and site data

  • Go to the Firefox’s menu and select Options,
  • Now, under the Privacy & Security section, scroll down and locate Cookies and Site Data,
  • Click on Clear Data..,
  • Select the Cookies and Site Data as well as Cached Web Content and press ‘Clear’.

Reset Mozilla Firefox

If clearing the web browser as explained above did not help, completely reset the Firefox to give it a fresh start:

  • In the Firefox’s menu, click on Help and choose ‘Troubleshooting information’,

  • Under the Give Firefox a tune up section, click on Refresh Firefox…,
  • Confirm the action by clicking Refresh Firefox on the pop-up appears next.

Delete from Safari

Remove unwanted extensions

  • Click on Safari’s menu and select Preferences,
  • In the opened tab, click on Extensions and find any recently installed suspicious extension,
  • Select it and click on Uninstall.

Clear cookies and other website data

  • Click on Safari> Clear History,
  • Now, in the drop-down menu under Clear, select All history,
  • Confirm with clear History option.

Reset Safari

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

  • Click on Safari and go to the Preferences,
  • Now, on the ‘Advanced’ section, tick the Show Develop menu,
  • From the menu bar, click on Develop and select Empty Caches.

Remove from Microsoft Edge

Delete unwanted extensions

  • Select Menu (the three horizontal dots on the top-right corner) and select Extensions,
  • Pick the suspicious extension and click on the Gear icon,
  • Now, click on Uninstall button.

Clear Cookies and other site data

  • Under the Menu, Select Privacy & Security,
  • Select Clear browsing data and pick the Choose what to clear option,
  • Select everything except passwords and click on Clear option.

Restore tab and homepage

  • From the Edge’s menu, choose Settings,
  • Then go to the On Startup section,
  • Click on Disable if you find any suspicious domain.

Reset MS Edge

Reset the browser if the above steps did not work:

  • Press Ctrl+ Shift+ Esc to open Task Manager,
  • Click on More Details option at the bottom of the window,
  • Now, select Details tab,
  • Scroll down and locate every entry with Microsoft Edge name,
  • Right-click on each of them and select End Task to stop the Edge from running.

Use Advanced Edge reset method described below if this solution failed in your case:

  • Find the below folder on your system:


  • Select all the folders, right click on them and pick Delete,

Now, right-click on the Start button and select Windows Powershell (Admin),

  • Copy and paste the following command within and hit Enter:

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

Instructions for Chromium based Edge

Delete extensions

  • Open Edge and click on Settings> Extensions,
  • Find all unwanted extensions and remove them by clicking Remove button.

Clear cache and site data

  • Click on Menu and go to the settings,
  • Select Privacy and services,
  • Now, under the clear browsing data, select Choose what to clear,
  • Then, go to the Time range and select All time,
  • Finally select the Clear now option.

Reset Chromium based Edge

  • Under the Edge’s Settings, click on Reset settings on the left side,
  • Select Restore settings to their default values,
  • Finally, confirm with Reset.