I Googled the same thing they did, and found the same picture they did. (Mine was on page 5, but I found it anyways.)
Turns out whoever set this up wasn't clever enough to set up an attack for Linux. :)
This is what I got.
After I clicked OK, it did a brief "scan," and told me I had a bunch of viruses.
Of course, this story has a moral. NEVER DOWNLOAD ANTIVIRUS FROM SOMEWHERE YOU DON'T TRUST!
This means you shouldn't trust those ads that say "You're computer has 20 bazillion virusses! Download new Antivirus now!"
Here's a list of antivirus that I have some level of trust in:
- Microsoft security essentials
Better than all of these options -- Just run Linux!