What is QuestSection

QuestSection is a type of adware specifically targeting macOS users. This malicious software generates intrusive advertisements, including pop-ups and banners, which can lead users to potentially harmful websites. Often bundled with free software or downloaded from untrustworthy sources, QuestSection compromises user privacy by tracking online activities and collecting sensitive information. The ads it displays can contain deceptive content designed to trick users into revealing personal data or downloading additional malware. Furthermore, the presence of QuestSection can significantly degrade system performance, making devices slower and more vulnerable to security threats. It is highly advisable to remove this adware promptly to safeguard both your privacy and the overall health of your computer. Regular scans with reputable antivirus software can help prevent such infections.

QuestSection adware

How QuestSection infects Mac computers

QuestSection typically infects Mac systems through deceptive practices, primarily bundled with free software or applications downloaded from unreliable sources. When users install seemingly harmless programs, they often overlook the “Custom” or “Advanced” installation options, inadvertently agreeing to install additional software like QuestSection. This adware can also spread through misleading pop-up ads and deceptive content on dubious websites, enticing users to click on links that initiate the download. Once installed, QuestSection begins to display intrusive advertisements, redirect users to potentially harmful websites, and harvest sensitive information, such as browsing habits and personal data. The combination of aggressive advertising strategies and the exploitation of user behavior makes QuestSection a persistent threat to Mac users, often resulting in decreased system performance and privacy breaches. To mitigate the risk of such infections, users should always download software from reputable sources and remain vigilant during installation processes.

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

Download QuestSection Removal Tool

Download SpyHunter for Mac

To remove QuestSection completely, we recommend you to use SpyHunter for Mac. It can help you remove files, folders, and registry keys of QuestSection 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 CleanMyMac

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

Remove QuestSection manually for free

Note: QuestSection 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 “QuestSection” entry. Select it, and click the “-“ (minus) button to remove it.

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

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

Remove QuestSection from Applications

Remove QuestSection from Mac:

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

Cannot uninstall QuestSection

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

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

Remove QuestSection add-on from your browsers

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

Reset browser settings

To finish QuestSection 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 QuestSection


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

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

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 QuestSection in browsers.

adguard for mac

Download AdGuard for Mac

How to protect Mac OSX from adware, like QuestSection

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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James Kramer
Hello, I'm James. My website Bugsfighter.com, a culmination of a decade's journey in the realms of computer troubleshooting, software testing, and development. My mission here is to offer you comprehensive, yet user-friendly guides across a spectrum of topics in this niche. Should you encounter any challenges with the software or the methodologies I endorse, please know that I am readily accessible for assistance. For any inquiries or further communication, feel free to reach out through the 'Contacts' page. Your journey towards seamless computing starts here