It just amazes me how there are companies out there, claiming to be legitimate businesses, who are distributing what can only be known as spyware, adware, malware, badware, and viruses. These companies get away with it due to obscure clauses and legal double-speak in their terms of agreements, if they bother to have one at all.
Some websites will download unwanted spyware and badware on your computer without any consent from you at all. They claim that all of this information gathering has a legitimate purpose and that people are over-reacting.
Some people do not know what a virus is. It is simply a program. Just like any other program you download and use everyday. It must be installed onto your computer. The difference between a virus and a legitimate program lies in the purpose for which it was created.
A legitimate program was created to help you perform a task. A virus was created to harm your computer or steal information from you. The other difference is the first one is legal, the latter is not.
A virus is legitimately defined as an executable program, however, any script or macro should be included in that definition in my opinion. If they are written with the intent of causing harm to a user