433773 Wordpress Google ban reasons

I have different wordpress blogs that got suddenly suspended by google. i can't find the site even if i type info:[login to view URL], it completly disapeared from google index. i need to find somebody who can help me identify the problem and reasons so we can fix it. these sites have wordpress super cache installed here is a list of the sites [login to view URL] [login to view URL] [login to view URL] [login to view URL]