What is MajorLetterSearch

MajorLetterSearch is a type of adware that targets Mac computers. It is part of the AdLoad malware family and is designed to deliver intrusive ad campaigns. This adware is primarily designed to display as many online advertisements as possible. It can inject unwanted advertisements into websites you visit and change the default search engine of your browser to MajorLetterSearch Search. The presence of software like MajorLetterSearch on devices can result in system infections, severe privacy issues, financial losses, and even identity theft. MajorLetterSearch is equipped with code that enables it to monitor web user’s browsing activities. It can log important data such as search keywords, favorite websites, and personal identifiable information, which may include user name, password, and geographical location. Moreover, MajorLetterSearch can seriously affect your privacy, your computer’s performance, and security. It can slow down your computer by displaying endless ads. It can also redirect users to deceptive web pages to generate illegal online income.

MajorLetterSearch adware

How MajorLetterSearch infects Mac computers

MajorLetterSearch is typically installed when users download a malicious file from the Internet, often disguised as a useful program. It has been observed being proliferated via fake Adobe Flash Player updaters/installers. However, adware can also be bundled with various programs. Downloading from dubious channels (e.g., freeware and third-party websites, P2P sharing networks, etc.) and rushed installations increase the risk of unintentionally allowing bundled content into the device.

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

Download MajorLetterSearch Removal Tool

Download Spyhunter for Mac

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

Remove MajorLetterSearch manually for free

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

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

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

Remove MajorLetterSearch from Applications

Remove MajorLetterSearch from Mac:

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

Cannot uninstall MajorLetterSearch

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

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

Remove MajorLetterSearch add-on from your browsers

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

Reset browser settings

To finish MajorLetterSearch 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 MajorLetterSearch


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

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

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 MajorLetterSearch in browsers.

adguard for mac

Download AdGuard for Mac

How to protect Mac OSX from adware, like MajorLetterSearch

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
Previous articleHow to remove CapitalSearchCharacter (Mac)
Next articleHow to remove PositiveSearchGuide (Mac)