OpenDNS Blog reports: "Every few weeks there’s a new scam that makes the rounds
on Facebook. This week it’s the “Find out who visits your profile,” scam, which we’ve
all seen before. The reason it piques my interest this time is the sheer volume of people
falling victim. That coupled with the fact that the victims include some of my more tech-savvy
Facebook friends made me want to understand better what exactly the virus is trying to do
and how we can all protect ourselves.

The virus works first by gaining access to your Facebook account. Unlike other methods
 for hacking, which involve somehow accessing your login credentials, this scam needs only
for you to click a link posted on your wall or someone else’s wall.
To entice you into clicking,
 the scam offers something lots of people would love to know, but Facebook doesn’t allow:
a list of people who’ve viewed your profile. You might receive an e-mail notification that tells
 you a friend has posted a link on your wall with this context:"