For the benefit of others who might find this thread in a Google search and not be informed, let me say that while the scareware shown in this thread is indeed a joke, a variant of it exists that is more "Mac-like" in appearance and can automatically download an installer package, which may automatically launch if browser settings permit. It's known by many names, such as MacDefender or MacSecurity. For more details, read the first part of the following link.
To avert needless panic, be aware that there has never been a virus in the wild that affects Mac OS X since it was released 10 years ago. The handful of trojans that exist can be easily avoided with some education and common sense and care in what software you install:
I tried going to the link of the site (lol) and Chrome informed me that the site contained malware. I then clicked "Proceed Anyway" and the site apparently was taken down. 😛
Just to be clear, MacDefender(etc) is not a virus and doesn't download automatically. The user has to CHOOSE to install it. By definition that makes it a Trojan.
Just to be clear, MacDefender(etc) is not a virus and doesn't download automatically. The user has to CHOOSE to install it. By definition that makes it a Trojan.