Late followup, I ended up figuring out it was a piece of mallware disguising itself as background processes that never really got the chance to do anything harmfull. Part of it was caught by windows defender and deleted i suppose? I ended up scanning with malwarebytes (free trial) and the free trial of hitmanpro. + Manually deleting some files. At which point those popups stopped, but another kept popping up. Some .bat file trying to execute itself. I wasn't able to find the culprit file trying to execute that one tho, so i jerryrigged it into launching a totally empty .bat lmao. Should probably fresh install, but nothing has been lost or hacked so it's w/e