How to remove CommonFunction (Mac)

What is CommonFunction

CommonFunction is classified as a type of adware that primarily targets macOS systems. This malicious software generates intrusive advertisements, including pop-ups, banners, and coupons, which can significantly disrupt the user experience. Users often encounter these ads while browsing the internet, leading to potential redirection to untrustworthy websites and scams. In addition to displaying unwanted ads, CommonFunction can stealthily collect personal data, such as browsing history and email addresses, which may be sold or shared with third parties. Its installation typically occurs through deceptive methods, such as bundled software downloads or misleading pop-up ads. To safeguard against such threats, users are advised to avoid installing unverified applications and to regularly scan their systems with reputable security tools. Removal of CommonFunction is crucial to protect both privacy and system performance.

How CommonFunction infects Mac computers

CommonFunction typically infects macOS systems through deceptive software bundling and misleading advertisements. Users often unknowingly install this adware when they download free software from untrustworthy sources, bypassing the “Custom” or “Advanced” installation options that would allow them to decline additional offers. Once installed, it can also proliferate through peer-to-peer file-sharing networks and fake software updates that lure users into clicking on malicious links. Additionally, users may encounter CommonFunction through intrusive pop-up ads that promise benefits, such as software upgrades or discounts, leading to unintentional downloads. The adware then begins to generate intrusive advertisements, alters browser settings, and may track personal data, further complicating the removal process. To prevent such infections, users should exercise caution when downloading software and regularly update their security measures.

1. Download CommonFunction Removal Tool
2. Remove CommonFunction from Login Items
3. Remove/Uninstall CommonFunction from Applications
4. Remove CommonFunction from browsers
5. Reset browser settings
6. Remove CommonFunction files and folders
7. Block CommonFunction ads and pop-ups
8. How to protect from threats, like CommonFunction

Remove CommonFunction manually for free

Note: CommonFunction sets up to start on macOS startup. Therefore, before starting the removal, perform these steps:

1. Open System Preferences, choose Users & Groups.
2. Choose your account (set up as Current User).
3. Click Login Items tab.
4. Find “CommonFunction” entry. Select it, and click the “-“ (minus) button to remove it.

Note 2: CommonFunction won’t quit just by closing it, therefor use Force Quit to end the process.

1. Press 3 buttons at the same time: Option, Command, and Esc (Escape). This is similar to Control-Alt-Delete on a Windows PC.
2. Choose CommonFunction in the list.
3. Click Force Quit button.

Here is a manual step-by-step tutorial for full CommonFunction removal from your computer. This works 99% and was checked with the latest versions of CommonFunction installer on operating systems with the latest updates and browser versions.

Remove CommonFunction from Applications

Remove CommonFunction from Mac:

1. In the Finder sidebar, click Applications.
2. CommonFunction might have an Uninstaller. If you see Uninstall CommonFunction or CommonFunction Uninstaller, double-click it and follow the onscreen instructions.
3. Otherwise, drag CommonFunction from the Applications folder to the Trash (located at the end of the Dock).
4. Then choose Finder > Empty Trash.

Cannot uninstall CommonFunction

If you can’t uninstall CommonFunction using instructions above, or it keeps coming back, you can use free AppCleaner for Mac to remove all residual data and libraries of CommonFunction. Follow instructions below:

1. Download free AppCleaner.
2. Drag CommonFunction from Applications folder to AppCleaner window.
3. Choose files and folders you want to remove along with CommonFunction.
4. Click Delete button.

Remove CommonFunction add-on from your browsers

Removing CommonFunction from Applications often does not bring the desired effect. It is a browser extension, and it may still be active in Google Chrome and Mozilla Firefox. Here are instructions on how to remove the CommonFunction extension from your browsers manually.

Safari:

1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
2. Click Extensions tab.
3. Find CommonFunction extension.
4. Click Uninstall button to remove it.

Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://extensions.
3. Find CommonFunction extension.
4. Click the trash can icon to remove it.

Mozilla Firefox:

1. Start Mozilla Firefox browser.
2. In address box type (or copy-paste) about:addons.
3. Choose CommonFunction extension.
4. Click Disable or Remove button.

Reset browser settings

To finish CommonFunction removal, reset your browser settings to make sure, there are no leftover items in browser folders.

Reset Safari:

1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
2. Go to the Privacy section of Safari’s preferences.
3. Click Remove All Website Data button.
4. In the opened window, click Remove Now button to remove data stored by websites in Safari.
5. Go to the Advanced section of Safari’s preferences.
6. Click the Show Develop menu in menu bar option.
7. In the menu, click Develop and select Empty Caches from this menu.
8. Again, go to Safari menu and choose Clear History….
9. Choose to clear all history and click Clear History button.

Reset Google Chrome:

1. Start Google Chrome browser
2. In address box type (or copy-paste) chrome://settings.
3. Scroll down and find Show advanced settings link.
4. Click on it and scroll down to the bottom again.
5. Click Reset settings button and click Reset to confirm.

Reset Mozilla Firefox:

1. Start Mozilla Firefox browser.
2. In address box type (or copy-paste) about:support.
3. Click Refresh Firefox… button.
4. Click Refresh Firefox to confirm.

Remove following files and folders of CommonFunction


~/Library/Application Support/.[random_string]/Services/com.CommonFunction.service.app
~/Library/LaunchAgents/com.CommonFunction.service.plist
/Library/Application Support/.[random_string]/System/com.CommonFunction.system
/Library/LaunchDaemons/com.CommonFunction.system.plist


Download AdGuard for Mac to block malicious pop-ups, that promote CommonFunction

AdGuard is the best ad-blocker, internet filtering, and internet security application for macOS. It can cut out unwanted banners from site pages, block pop-ups, stop redirects, and prevent users from visiting potentially dangerous resources. Use it to stop ads promoting CommonFunction in browsers.

Download AdGuard for Mac

How to protect Mac OSX from adware, like CommonFunction

Mac OSX is known to be one of the safest operating systems, and for a long time, there was no need for antivirus products for Mac. But with the growing popularity of Mac computers and notebooks and evolving technology, viruses, trojans, adware, toolbars, hijackers, and other malware paved the way for Mac users. We recommend you to use one of the best anti-malware for Mac available — Malwarebytes for Mac.

Download Malwarebytes for Mac