Are Worms and Trojan horses Viruses too?
No, they are just malicious code doing other things and working in a different way. Worms tend to work like viruses, which means that they replicate themselves but have an important difference from viruses. Their main goal is to make your system unusable, mostly by eating up your RAM. I had an instance of a worm at the past, which would execute internet explorer constantly. It would run it over and over and make your system unusable since RAM was in red levels. Another well known worm type is the one that automatically creates a reboot process at your system, making it reboot without your permission. Trojan Horses are something completely different. Their purpose is NOT to harm your system but provide access to your system by their creators. That access could mean that they steal your information, like a credit card number and more, to just reading your files or deleting and creating files. In fact, most trojans are simple tcp handshake programs, maybe enhanced with techniques like con