Did you just run into a file that has a digital signature from Ring2 Communications, LLC? If so, please read on.
You will probably notice Ring2 Communications, LLC when double-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 the digital signature details for Ring2 Communications, LLC with the following procedure:
Here is a screengrab of a file digitally signed by Ring2 Communications, LLC:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by Ring2 Communications, LLC 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 Ring2 Communications, LLC, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Ring2 Communications, LLC certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Ring2 Communications, LLC files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/57 | Outlook_Add-in_LoopUp-2010_2013_2016-64.exe |
The detection percentage is based on the fact that I have collected 57 scan reports for the Ring2 Communications, LLC files. 0 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: