ReviewsBot authors targeting phpBB forums.
Bots are registering user accounts on thousands of phpBB forums across the Internet, raising concerns that the bot"s authors are laying the groundwork for mass exploitation down the road. The activity of a bot named FuntKlakow was discussed in a Digg thread Sunday, with many forum owners confirming that FuntKlakow had created accounts and even posted simplistic messages.
(Netcraft)