What term is used to describe the unwanted but generally harmless programs that are commonly installed on consumer computers when they are purchased?

Bloatware is a general term used to describe the unnecessary and unwanted programs that are installed on many PCs by manufacturers. Spyware is more harmful, sending information about the user, their browsing habits, or the computer back to the software's vendor or other organizations. Logic bombs are malware that take action under specific circumstances like a time, date, or other trigger, and firmware is the software that runs on top of hardware to provide basic underlying functionality.