What is UltraSystem

UltraSystem is a potentially unwanted application (PUA), that comes in form of extensions for Safari, Google Chrome, and Mozilla Firefox browsers on Mac systems. The app is classified as adware because it displays pop-up ads and unwanted advertisements, that do not belong to the sites you are browsing. Such UltraSystem advertisements may look differently: boxes with coupons, underlined words (in-text ads), pop-up ads, or banners. Also, UltraSystem can modify search engine and homepage settings, which can result in search redirects to doubtful websites. As an add-on, UltraSystem gets permissions to access your browser history and, what is more dangerous, sensitive information from web pages including passwords, phone numbers, and credit cards. This data can be used with bad intentions, and to avoid much more serious problems we advise you to remove UltraSystem as soon as possible. The following tutorial will assist you in this.

ultrasystem extension

How UltraSystem infected your Mac

Adware applications like UltraSystem can infiltrate Mac via deceptive pop-up ads, free software installers (bundling), fake flash player installers, torrent file downloads. It can be installed occasionally, after clicking on some random malicious link on phishing pages. As one of the signs of infection with UltraSystem you may see a window with the following text:

Software Update. Update Required. A new version of Flash Player is now available. By clicking "OK" you agree to install UltraSystem and to its privacy policy and license agreement. you may remove UltraSystem at any time from the applications folder.

To protect your Mac and prevent infection with such threats, we recommend you use effective anti-malware protection. SpyHunter for Mac can detect and remove numerous adware, hijacker, spyware, and other widespread infections. SpyHunter for Mac is one of the best solutions for Mac security. You can find a download link for SpyHunter for Mac at the bottom of this tutorial.

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

Download UltraSystem Removal Tool

Download Spyhunter for Mac

To remove UltraSystem completely, we recommend you to use Spyhunter for Mac. It can help you remove files, folders, and registry keys of UltraSystem and uninstall hijackers, toolbars, and unwanted add-ons from the Safari browser. The trial version of Spyhunter for Mac offers virus scan and 1-time removal for FREE.

Alternative Removal Tool

Download Combo Cleaner

To remove UltraSystem completely, we recommend you to use Combo Cleaner. It can help you remove files, folders, and registry keys of UltraSystem and uninstall hijackers, toolbars, and unwanted add-ons from the Safari browser.

Remove UltraSystem manually for free

Note: UltraSystem sets up to start on Mac OS 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 “UltraSystem” entry. Select it, and click the “-“ (minus) button to remove it.

Note 2: UltraSystem 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 UltraSystem in the list.
  3. Click Force Quit button.

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

Remove UltraSystem from Applications

Remove UltraSystem from Mac:

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

Cannot uninstall UltraSystem

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

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

Remove UltraSystem add-on from your browsers

Removing UltraSystem 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 UltraSystem 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 UltraSystem 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 UltraSystem 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 UltraSystem extension.
  4. Click Disable or Remove button.

Reset browser settings

To finish UltraSystem 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 UltraSystem


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

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

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 UltraSystem in browsers.

adguard for mac

Download AdGuard for Mac

How to protect Mac OSX from adware, like UltraSystem

malwarebytes for mac

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
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