Bit9 Inc. will launch a free search engine to identify unfamiliar software applications and executables found on Windows PCs. Users will be able to download a utility at Bit9’s Web site to tap into the firm’s 4-terabyte database at http://fileadvisor.bit9.com. The database holds approximately 25 million unique files and 250 million records to source and identify the software. Bit9 expects to triple the data the end of the year.

This is definitely a unique type of search engines which will help identifying Windows system file problems and spyware files. You can search files using the filename, MD5 or the SHA-1 id of the file. Currrently the total files indexed are 258,202,658 files.

Bit9 File Advisor Homepage

From Desktoppipelines