Table wp_stw_log – host problems

Hey fellows,

My host is telling me there’s a table wp_stw_log causing queries that take too much time and they will block me soon if it keep coming.

I can’t find on php conde, neither on plugins nor on core wordpress this table.

I delete it, it is created again… I delete it fields, they are created again…

Can anybody please give a light to solve this and avoid my host blocking me?

Thanks in advance!