SigSpotter

More often than not, developers choose to sign software programs to prove its integrity and develop its reputation. Once you digitally sign the binary for the application you are about to launch to the public, you can help ensure that the code has not been tampered with on your servers or when it is downloaded on the users computers.
This is especially important when the program can be downloaded over an insecure protocol such as a non-encrypted FTP or HTTP, for instance. The signature, in this situation, can act as a confidence element for the users that the program they have just downloaded and installed is the same one with the one that you build.
SigSpotter is an application that enables you to find out more about the publishers that have signed binaries on your computer. To be more precise, the tool allows you to inquire and learn more details, such as the full name, website, contact information, so on and so forth about an individual program or an entire drive.
The utility displays the results of your query in a plain text document along with the location of the file and the corresponding SYS, DLL or EXE file. You can find the list of publishers in the same directory where you decompressed the programs archive.