The tool is capable of detecting the illegal distribution of all copyrighted material, including books, movies, and music, and is able of doing so in different languages, Microsoft said.

CNN: Microsoft campaign takes aim at global Internet fraud

Rounding out the top 10 where: Hangzhou Everfine Photo, a supplier of testing equipment, Shanghai CSG Smart Science, a supplier of power distribution products, Shandong Sinocera Function Material, a maker of ceramic powder for the electronics industry, Beijing Orient National Communication, a software maker, Jiangsu Yunyi, an auto parts maker, Boomsense, a supplier of repeaters, and Staidson Beijing Biopharmaceuticals, a chemicals products maker.

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"Piracy" includes the reproduction and distribution of copies of copyright-protected material, or the communication to the public and making available of such material on on-line communication networks, without the authorisation of the right owner(s) where such authorisation is required by law.

UNESCO: World Anti-Piracy Observatory