Did you just find a file that has a digital signature from Federico Terzi? If that's the case, please read on.
You will typically see Federico Terzi when running 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 Federico Terzi certificate with the following procedure:
Here is a screengrab of a file signed by Federico Terzi:

As you can see in the screengrab above, Windows states that "This digital signature is OK". This implies that the file has been published by Federico Terzi and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine 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 Federico Terzi, such as the street name, city and country.
Sectigo Public Code Signing CA R36 has issued the Federico Terzi certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Federico Terzi files I have collected, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the Federico Terzi files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by Federico Terzi.
| Detection Ratio | File Name |
|---|---|
| Not available | espansod.exe |
The analysis is based on certificates with the following serial numbers: