I found advertisement post in the following thread;
http://pele.bbspink.com/test/read.cgi/erobbs/1202732336/564 2012/07/18 11:08:24.34 ID:El3CVBa8
It contains shortened URL which redirects into; ttp://www.bag53.com and ttp://www.bagsso.com
if available, please reject those shortened URL service sites with Rock54 system...