Malware is a short version of Malicious Software.
Malware includes computer viruses, worms, trojan horses, spyware, etc.
A computer program that can automatically copy itself and infect a computer.
A self-replicating computer program that can automatically infect computers on a network.
A computer program which appears to perform a certain action, but actually performs many different forms of codes.
A computer program that can automatically intercept or take partial control over the user's interaction.