Yes, it seems like a scam. Go to “System Preferences” on your computer and uninstall the recently installed programs from your computer. Also remove all unwanted and unknown browser-extension from safari browser.
If the above trick did not work then could you please take a screenshot of the screen that you are getting and share it with us? Here’s how to take a screenshot of your computer screen and then share it with us:
Follow the below steps to take a screenshot and share it with others within 10 seconds
Step 1: Go to the screen where you want to take a screenshot.
Step 2: Press the “PrtScn” (Print Screen) key from your keyboard.
Step 3: Open https://imgur.com/ web page
Step 4: Click on “New Post”
Step 5: Press “Ctrl + V” to paste the taken screenshot.
Step 6: Click on the “Copy Link“. You can share this copied link with others. For now, share the link with us here.