Aziz, you could report the thief to Google and Yahoo for DCMA violations
Digital Millennium Copyright Act
Copyright and Intellectual Property Policy
That could hurt worse than a hosting company shutting down a site that they could just move to another hosting company. I have threatened content thieves with this and it always appears to get them to remove the stolen content.
"It's inexcusable for scientists to torture animals; let them make their experiments on journalists and politicians." -Henrik Ibsen