does the macbook pro has an antivirus?

https://discussions.apple.com/thread/3173661

Stefan

While there may not currently be any Viruses for Macs, the original poster may actually be asking, "Is there any Malware that affects Macs?"

The answer to that question is YES.

The best defense against Mac Malware is to add a new Admin account (to be used only for Administration) and use it to demote your "daily use" account to a regular User account. Then if software tries to install itself, it generate a dialog box "please enter your Admin username and password". This will tip off an alert user that something unexpected is happening.

The other important concept is that the user must remain Vigilant, and do not download stuff from untrusted web sites.