Seems to have stopped - no new bot posts in the ANN board for the last half hour or so. Not sure about the other boards.
it stopped in the ANN board but now the bots moved to
Mining (Altcoins) board
in less than 1 minutes the bot make 6~10 post in the old thread there and you can see that from page 1 ~ 6 all of the latest post is from the spam bot