With all the different terms, definitions, and terminology, trying to figure out what’s what when it comes to computer malware can be difficult.
One important thing to remember about malware is that like its biological counterpart the number one goal is reproduction. Causing damage to a computer system, destroying data, or stealing sensitive information are all secondary objectives.
1: The infamous computer virus
2: The ever popular computer worm
3: The unknown backdoor
4: The secretive trojan horse
5: Adware/Spyware, more than an annoyance
6: User-mode rootkits
7: Kernel-mode rootkits
8: Firmware rootkits
9: Malicious mobile code
10: Blended threat