How to Remove Connectionoptimizer Mac Virus

George Herman
George Herman
IT Security Expert

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Some infections like this Connectionoptimizer virus can regenerate themselves. There is no better way to detect, remediate and prevent malware infection, than to use a professional anti-malware software like SpyHunter. One Application that is capable of solving all MAC problems.


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What Is Connectionoptimizer Mac Virus?



Connectionoptimizer is a mac adware program that installs web browser extension. Generally speaking, the software is similar to other types of extensins – it will offer users money back guarantees and when they do not want them they can easily uninstall them — but it’s more insidious than most others because it has a tendency to gather information about users and may also involve interacting with their installed apps. In a nutshell, Connectionoptimizer is a mac adware program that installs web browser extension. Generally speaking, the software is similar to other types of extensins – it will offer users money back guarantees and when they do not want them they can easily uninstall them, but it’s more insidious than most others because it has a tendency to gather information about users and may also involve interacting with their installed apps.

How Is Connectionoptimizer Mac Virus Distributed?

Connectionoptimizer is distributed via a number of different ways. The software itself is distributed via extensions to users that are not careful when they browse the Internet and the software will often be bundled with various applications so that it’s installed when the user installs another application. It’s important to be cautious when downloading and installing applications from the Internet, even reputable websites. Connectionoptimizer does not require the user to click on anything in order for it to install. It can be added to a browser extension or automatically added through a number of different method so once it’s installed, the user will have no idea they are dealing with something that is adware. The program will show itself as a toolbar ( pop-up ) that commonly appears when you arrive at a new web page, with an icon and text next to it.

How harmful is Connectionoptimizer hijacker? 

However, the real issue lies within the way that it collects information about the user. Connectionoptimizer is adware that is designed to collect information about what users are doing online and then pass it on to third parties. The information will include things like search terms, as well as other information and browsing habits such as what sites you visit most frequently. This tracking can lead to issues with privacy and security along with being a tool for advertisers and companies to target their ads more effectively. Along with collecting information the software may also change the default settings of a user’s browser, so it can redirect them to specific sites. If a user is not careful they could end up with more than just an annoying change to their browser’s settings. The best method to avoid any of the issues that come with dealing with adware like Connectionoptimizer is simply to refrain from installing it in the first place. This means that you should only download programs from reputable and trusted websites and should always be cautious about what you install.

How did I get infected?

The software itself is distributed in a number of different ways. The adware can be installed by itself without the user even having to do anything, it can come bundled with other applications when they install another one, or it can be downloaded from a website having an install button. One of the easiest ways to have your computer infected with Connectionoptimizer is if you are not careful about what you download and are directed to a site where you might download something that appears to be trustworthy but actually has adware on it.

How can I Remove Connectionoptimizer virus ?

Step 1: Uninstall Connectionoptimizer and remove related files and objects

  • Open your Finder –> Click on GO –>Click on Utilities

macos utilities

  • Find Activity Monitor and open it

activity monitor macos

  • Review all the processes in Activity Monitor and write down the ones related to Connectionoptimizer virus

Connectionoptimizer stop

  • Select Quit

Connectionoptimizer info

  • To kill the malicious process, choose the Force Quit option.

force quit Connectionoptimizer

Step 2: Remove Connectionoptimizer – related extensions from Safari / Chrome / Firefox

The first thing you need to do is to make sure Safari is not running. If you have troubles closing it, you may need to Force Quit Safari - (Start Activity Monitor by opening up Finder, then proceed to Application --> Utilities --> Activity monitor. Locate the Safari process and force quit it.

Safely launch Safari again by holding the Shift key and clicking on the Safari application icon - This will prevent Safari’s previously opened malicious web pages.

In case that you still are having trouble with scripts interrupting the closing of unwanted pages, please do the following:

  • Force Quit Safari again.
  • Disconnect form Internet and try again.

Then Re-Launch Safari but don’t forget to press and hold the Shift button to prevent pop-ups. Then, click on Preferences.

  • Carefully take a look at your default home page and change it if the hijacker altered it.

  • Then go to the Extensions tab and make sure there are no unknow extensions installed.

  • Next step is to click on Privacy tab

  • Manage website data

  • Here you can remove any unwanted website data or just remove them all. Please, keep in mind that after you do this all stored website data will be deleted. You will need to sign-in again for all websites that require any form of authentication.
  • The next step is to Clear History (if you want), select the tab.

  • Click the menu next to clear and choose a time period — if you want to completely reset Safari, choose all history.
  • Press Clear History
  • To remove from Chrome, open the browser and click the icon with the three dots located in the top-right.
  • Select to More Tools --> Extensions and review what Chrome Extensions are present in the browser
  • Remove the ones that you do not recognize.

bad toolbar

  • If the parasite continues to disrupt your browsing with Chrome, this is what else you can do:
    1. Click again the menu of Google Chrome, and open Settings.
    2. Select the Search Engine from the left panel, review the available search engines and change the default to your preference.default search engine
    3. Then, click on Manage Search Engines, review the list of search engine availabilities and if any of the listed items looks suspicious, click the three-dots next to them, and delete.suspicious search engine
    4. Click on Privacy and Security in the left panel, select the Clear browsing data option, check every box except the Passwords one, and click Clear Data.clear browsing data
    5. Next step is to clear Notifications, select the Site settings option in the Privacy and Security section, then locate Notifications.clear notifications
    6. Review the listed websites in the Allow to send notifications section and if any of the entries shown there seem dubious or related to the browser hijacker, select the three dots next to the object and click on Remove.
  • Start Mozilla Firefox
  • On the top right click the three dashes

  • go to add-ons and themes
  • The add-ons manager will open
  • Carefully review review four Firefox Extensions
  • If any unwanted extension is present, click on the three horizontal dots and then Remove

  • After the extension is removed, restart Mozilla Firefox by closing it from the red dot in the top left and start it again.
To make sure Connectionoptimizer is removed from the browser  we recommend to scan with a reputable antimalware program like SpyHunter for Mac

Step 3: Scan for and remove Connectionoptimizer files from your Mac

Fix your browser settings with SpyHunter Anti-Malware

Once you download and install SpyHunter for Mac run a scan.

Once the scan is complete, your mac will be virus free.

Connectionoptimizer malware Frequently Asked Questions:

  • How do I get rid of Connectionoptimizer?

Connectionoptimizer is a Browser hijacker – malicious software that can be installed by third-party applications or websites. They usually change the settings of web browsers and search engines to display certain ads, pop-ups, banners, etc.

  • What are the symptoms of Connectionoptimizer infection in your Mac?

Connectionoptimizer becomes your web browser’s built-in search engine.

Your browser’ s search queries are redirected through

The “Connectionoptimizer” browser extension or some shady software is installed on your Mac.

  • How do I remove Connectionoptimizer from my browser?

In Internet Explorer, click the gear icon on the top left and select Manage add-ons. Under Add-on Types, select Search Providers. Select your search engine from the list of providers and click Remove to remove it. In Google Chrome, go to Settings (at the top right) and choose Search in the On Startup drop down menu.

  • How do I uninstall Connectionoptimizer?
If you made a mistake when installing an app on your mac, the easiest way to uninstall it is by right clicking on its icon in your dock, then going to ‘move to trash’. Once it’s gone, restart your mac. If that didn’t work for you, try rebooting and looking for an icon opening up. Once you’ve found that, go to utilities/get info, then go to the ‘Applications’ tab and look for the app. Right-click it and select ‘Get Info’ and then look for the option to ‘Uninstall this Version’. If that doesn’t work, restart your mac again. If you don’t have any luck you can always use the SpyHunter free uninstall.

How to Make Your Mac Run Faster?

You might be wondering how to make your Mac run faster? It is a common misconception that the more processing power you have, the faster your computer will run. In reality, it’s actually about what’s going on in your processor and memory. For the average person using a computer for just general applications like word processing and web browsing, you don’t need much in the way of computing power.

– Use an SSD drive instead of a hard disk drive.

– Double your RAM if possible.

– Disable System Integrity Protection (SIP). (Attention! – do this only if you know the consequences.)


  1. More about pop-up advertisements on Wikipedia.
  2. MacOS malware
  3. SpyHunter Anti-Malware overview and also the reasons why we recommend it for malware elimination.

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