Did you just download a file that has been digitally signed by GameStop Inc. and wonder if the file is safe? If so, please read on.
You will probably see GameStop Inc. when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the digital signature details for GameStop Inc. with the following procedure:
Here's a screenshot of a file digitally signed by GameStop Inc.:

As you can see in the screengrab above, Windows reports that "This digital signature is OK". This means that the file has been published by GameStop Inc. and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can see all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also examine the address for GameStop Inc., such as the street name, city and country.
UTN-USERFirst-Object has issued the GameStop Inc. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the GameStop Inc. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/47 | GameStopNow.exe |
| 0/49 | UninstHelper.exe |
| 0/47 | Activate.exe |
| 0/46 | GameStopNow.exe |
The detection percentage is based on that I have collected 237 scan results for the GameStop Inc. files. 0 of these scan results came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: