This is simply to give information to anyone wondering about the problem.
Specifically, since November 29th or so, people have started noticing their Windows 10 and 11 systems having spontaneous installs of HP Smart, as well as all of their printers being relabeled to M101-M106. Double clicking on a printer shows an error, but right clicking will allow normal use of the printer.
Most of the responses from Microsoft, that I can find at this point, are of the finger-pointing at HP Smart. Others are suspecting a metadata service change. Neither really explains why non-updated (during this time period) older servers such as 2012 R2 are receiving the problems, as they don't have access to the Microsoft Store, nor to HP Smart. Nor should they have updated printer drivers.
That's the entirety of the post. It's not here to try to find a solution, it's to make sure that someone else looking doesn't feel alone.
Here's an initial thread.