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I'm plagued with this BHO since a month. No matter how many times aI remove it from Firrfox, it would come back.
Anyone had a similar experience ? Any good deep cleaning app you can recommend to remove this shit from my Macbook Air running High Sierra ?
Follow this: https://discussions.apple.com/thread/8064445, run this: https://www.malwarebytes.com/mac/
and stop downloading / clicking random shit.