How to remove CustomSuccess Extension from Mac

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What is CustomSuccess?

CustomSuccess is a potentially unwanted program that has been bothering Mac users lately. This PUP may end up on your Mac after installing fake Adobe Flash updates or dubious applications. Once inside, it makes changes to browser configuration. creates a new entry in Profiles, and appends an extension to Safari, Google Chrome, or web browsers. All this is done in order to complicate the task for those who want to get rid of it. Meanwhile, users’ browsers are filled with questionable content in the form of pop-ups, banners, video/audio ads, in-text links and so on. A single click is enough for a device to end up on scam or malware-laden websites. And if that’s not enough, CustomSuccess also can “read sensitive information from web pages, including passwords, phone numbers, and credit cards”, which is described in the description. Therefore, there is a high risk of confidential information leakage or even stealing money from your credit cards. To prevent these dangers, we strongly advise you not to use the browser until you remove CustomSuccess Extension from your Mac.

Recommended Anti-malware tools:

The easiest and modern way of removing hijackers, pop-ups, Trojans, ransomware or other viruses is to use automatic removal tools. See our Anti-malware tools below for further instructions.

Try Norton

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Try SpyHunter

SpyHunter fully removes all instances of newest viruses from Mac/MacBook and Safari. Besides, leaner can help to optimize MacOS and free up disk space. Compatible with all versions of MacOS. Trial version of Combo Cleaner provides privacy scanner and application uninstaller for FREE.

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Also, you can try to remove CustomSuccess manually.

Alternative solution. Step 1: Remove CustomSuccess from Mac

CustomSuccess may not have the app associated with it in Applications. However, we recommend you to inspect the list of installed applications and remove unknown or suspicious ones. Look for CustomSuccess or CustomSuccess.app.

Mac OSX:

  1. Open Finder
  2. In the Finder sidebar, click Applications
  3. If you see Uninstall CustomSuccess or CustomSuccess Uninstaller, double-click it and follow instructions
  4. Drag unwanted application CustomSuccess from the Applications folder to the Trash (located on the right side of the Dock)

Learn more about uninstallation of programs in Mac OSX

Step 2: Remove malicious entries from Profiles (Mac)

  1. Open System Preferences.
  2. Click on Profiles.
  3. Click on unsigned and suspicious profiles on the left panel.
  4. Click the minus button below to delete rogue settings.

mac profiles

Step 3: Remove CustomSuccess from browsers

Safari:

  1. Open Safari
  2. Click Safari menu.
  3. Choose Extensions.
  4. Find CustomSuccess or other suspicious extensions.
  5. Click Uninstall button to remove it.

Learn more about removing extensions from Safari.

Google Chrome:

  1. Open Google Chrome
  2. Click the Chrome menu (3-dots icon) in the top right corner.
  3. Click Tools.
  4. Choose Extensions.
  5. Find CustomSuccess or other suspicious extensions.
  6. Click the trash can icon to remove it.

Learn more about removing extensions from Chrome.

Mozilla Firefox:

  1. Open Firefox.
  2. Push Shift + Ctrl + A.
  3. Choose CustomSuccess or other suspicious extensions.
  4. Click Disable or Remove button.

Learn more about removing extensions from Firefox.

Step 4: Resetting your browser search and homepage settings

Reset browser setting in Safari:

  1. Open Safari.
  2. Click on the Safari menu.
  3. Choose Reset Safari….
  4. Click Reset button.

Learn more about resetting browser settings in Safari.

Reset browser setting in Google Chrome:

  1. Click the Chrome menu (3 bar button) in the top right corner.
  2. Choose Settings.
  3. Click Show advanced settings.
  4. Go to Reset browser settings section.
  5. Click Reset browser settings.
  6. In the dialog that appears, click Reset.

Learn more about resetting browser settings in Google Chrome.

Reset browser setting in Mozilla Firefox:

  1. Open Mozilla Firefox.
  2. Go to Help.
  3. Go to Troubleshooting information.
  4. Click Reset Firefox… button.

Learn more about resetting browser settings in Mozilla Firefox.

Author: Ilias

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