HELP! FRIENDS LIST CORRUPTED!

I got on steam today, went to my friends list and saw this:
http://ift.tt/1NsPuvE


One of my friends. ^


http://ift.tt/1NsPsUx



Notice the blank profiles in the middle. ^



http://ift.tt/1NsPuvG



As you can see, his profile IS set up. ^

Please, somebody help, I think I have a virus.

HELP! FRIENDS LIST CORRUPTED!