The Nike-USA.net Website

Also, the website trick online users into sharing them on social media by promising them free Nike sneakers or shoes if they do so. But, sharing will only spread the scam to other potential victims, and the online users will never receive the shoes they promised.
A Chrome Extension Nike-USA.net Redirects Visitors To

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If you install the extension above, you'll start to see ads in your pages, especially in Google search results.
This scam is related to NikeUsa.us.