YouTube scams are promoting software that pretends to allow users to get free Bitcoins, but instead installs the njRAT remote access trojan and password stealer. These videos tend to have the “FREEBITCO IN”” string in the title or description
Source: a link that leads to a landing page that offers a “”Freebitcoins 2019 Update Script”” that you need to download and run in order to generate your free Bitcoin.”