Did you just download a file that is digitally signed by Nefarius Software Solutions e.U. and wonder if the file is safe? If that's the case, please read on.
You will typically see Nefarius Software Solutions e.U. 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 digital signature details for Nefarius Software Solutions e.U. with the following procedure:
Here is a screencap of a file signed by Nefarius Software Solutions e.U.:

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Nefarius Software Solutions e.U. 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 view the address for Nefarius Software Solutions e.U., such as the street name, city and country.
DigiCert EV Code Signing CA (SHA2) has issued the Nefarius Software Solutions e.U. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the Nefarius Software Solutions e.U. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/69 | ViGEmBusUpdater.exe |
| 0/67 | ViGEmBusUpdater.exe |
The detection percentage is based on that I have gathered 136 scan results for the Nefarius Software Solutions e.U. files. 0 of these scan reports 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: