Why is there a strange message when inserting a memory card?

If it is inexplicable, it is malicious (charging) software, which is very annoying to deal with, and generally malicious programs are hidden deep and difficult to find. If it is a smart machine, it can be handled by a grating machine and a grating card. If it is not a smart machine, restore the factory settings, and pay attention to the backup of business cards and short messages before the lattice machine and lattice card.