How to remove MacPerformance

What is MacPerformance

MacPerformance is malicious application for MacOS, that belongs to OSX Pirrit adware family. It controls settings of Safari, Google Chrome, Mozilla Firefox to create redirects and display ads and pop-ups. It infiltrates Mac computers invisibly or by fraud and starts to generate advertisements, showing phishing pages, encouraging users to download potentially unwanted applications. Sometimes MacPerformance is offered to be installed in a bundle with good applications, and users, confused by the name of the program, think that this is optimization software for MacOS, and allow installation. However, it is much harder to uninstall MacPerformance. It is not a typical application, that can be moved to Trash. Adware takes roots deeply into the system, and in order to remove MacPerformance completely, please, follow our guide below.

How MacPerformance infected your Mac

After infiltrating Mac computer MacPerformance tries to get access to browser settings showing such pop-up:

It also attempts to take control over System Events settings, showing following message:

Often users click OK in such windows, without paying attention, thinking it is regular system alert. Malefactors exploit this type of behavior to get access to system or browser settings. Consequences can be much worse, than browser ads and redirects. Use quality anti-malware or antivirus application to protect your Mac from threats like MacPerformance.

Remove MacPerformance manually for free

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

Remove MacPerformance from Applications

Remove MacPerformance from Mac:

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

Cannot uninstall MacPerformance

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

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

Remove MacPerformance add-on from your browsers

Removing MacPerformance from Applications often does not bring the desired effect. It is browser extension and it may still be active in Google Chrome and Mozilla Firefox. Here are instructions on how to remove MacPerformance 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 MacPerformance and Alpha Shoppers extensions.
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 MacPerformance and Alpha Shoppers extensions.
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 MacPerformance and Alpha Shoppers extensions.
4. Click Disable or Remove button.

Reset browser settings

To finish MacPerformance 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 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 MacPerformance


~Library/UpdateMac/MacPerformance/


How to protect Mac OSX from adware, like MacPerformance

Mac OSX is known to be one of the safest operating systems, and for a long time there was no need in 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