Did you just stumble upon a file that has a digital signature from Blue Ridge Networks? If so, please read on.
You will typically see Blue Ridge Networks when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the additional details from the Blue Ridge Networks digital signature with the following steps:
Here is a screengrab of a file that has been digitally signed by Blue Ridge Networks:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by Blue Ridge Networks and that no one has tampered with the file.
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 Blue Ridge Networks, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Blue Ridge Networks certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Blue Ridge Networks files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | appguardagent.exe |
The detection percentage is based on the fact that I have collected 55 scan results for the Blue Ridge Networks 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 done on certificates with the following serial numbers: