Malware (short for malicious software) is software designed to infiltrate or damage a computer without your consent. It can be present on websites and emails, or hidden in downloadable files, photos, videos, The best way to avoid getting infected is to run a good anti-virus protection program, avoid clicking on suspicious email links or websites. But scammers are sneaky: sometimes malware is cleverly disguised as an email from a friend, or a useful website. .
Virus: Malware programs that can reproduce itself and infect other computers
Scareware: You're surfing the net and suddenly an official-looking screen pops up warning you there is a problem on your computer, You're not sure if it's real or not, so what do you do? Be careful, this might be scareware.