"WhatIsThatFile.com" to check if the file is a virus

You can check the identity of a suspicious file.
Whatisthatfile.com It's good to be sure ...
http://www.whatisthatfile.com/

Just put the file name. It is easy to put in the process name visible from the task manager. Although the explanatory note is English, there is no problem if it is a green background.
It is a dangerous file if it becomes a red color background.

A site that examine the identity of the process with the same feeling.

ProcessLibrary.com - The online resource for process information!
http://www.processlibrary.com/

File extension dictionary
http://www.filext.com/