What is KeyData?

KeyData is an ad-supporting malware that affects only macOS devices. Basically, it comes together with freeware/shareware programs and is installed automatically if a user doesn’t decline optional KeyData. The malware affects browsers which can cause a change in the default search engine or a sudden increase in advertising that will pop up on each page a user visits. Of course, all this cannot but cause concern which is why you need to solve this problem as soon as possible. In this article, you will find easy ways to remove KeyData PUP from Safari, Mozilla Firefox, and Google Chrome. This is not so much a dangerous feature as annoying. You may follow this guide to remove KeyData pop-ups from Safari, Mozilla Firefox, and Google Chrome.

Recommended Anti-malware tools:

The easiest and most 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.

Also, you can try to remove KeyData manually.

Alternative solution. Step 1: Remove KeyData from Mac

KeyData 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 KeyData or KeyData.app.

Mac OSX:

1. Open Finder
2. In the Finder sidebar, click Applications
3. If you see Uninstall KeyData or KeyData Uninstaller, double-click it and follow instructions
4. Drag unwanted application KeyData 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.

Step 3: Remove KeyData from browsers

Safari:

1. Open Safari
2. Click Safari menu.
3. Choose Extensions.
4. Find KeyData 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 KeyData 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 KeyData 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.