The "UPD" in your search query most likely stands for "Updated." Users search for "Mr X Hdhub4u UPD" to find the latest, working links or "mirror" domains of Hdhub4u that might have the movie Mr. X . Because the original site is constantly being taken down and reappearing under new names, people look for updated sources.
However, chasing these "updated" links is precisely what makes you a target. The frequent change of domains is a major red flag, as it is a common tactic for dodging takedowns and potentially confusing users into visiting different, unsafe clone sites. This digital cat-and-mouse game exists solely to continue illegal operations and often exposes users to malicious software. Mr X Hdhub4u UPD