Although long overdue in my opinion, as announced in Protecting customers from being intimidated into making an unnecessary purchase, effective March 8, 2018, Windows Defender Antivirus and other Microsoft security products are adding detection for PUPs (Potentially Unwanted Programs) to detection and removal.
Coincidentally, this announcement follows the day after Pieter Arntz (Metallica)'s article, Stolen security logos used to falsely endorse PUPs.