Did you just run into a file that is digitally signed by Gas Powered Games? If so, please read on.
You'll probably notice Gas Powered Games when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Gas Powered Games certificate with the following steps:
Here is a screenshot of a file digitally signed by Gas Powered Games:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Gas Powered Games 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 see the address for Gas Powered Games, such as the street name, city and country.
VeriSign Class 3 Code Signing 2004 CA has issued the Gas Powered Games certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Gas Powered Games files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | autorun.exe |
| 0/67 | autorun.exe |
The detection percentage is based on that I've gathered 123 scan results for the Gas Powered Games files. 0 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: