After blocking the hosted website & adsense account (but it is not with me) due to duplicated contents, then how to find the duplicated contents to remove in order to restore the website?
Why don't you report those sites to Google for copying your content? Or are you trying to remove duplicate content from your site? Here's google's answer to this: http://www.google.com/support/webmasters/bin/answer.py?answer=66359