Did you just find a download or a file on your computer that has a digital signature from GG Network S.A.? If that's the case, please read on.
You will typically see GG Network S.A. 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 GG Network S.A. with the following procedure:
Here's a screengrab of a file signed by GG Network S.A.:

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 GG Network S.A. and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab 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 GG Network S.A., such as the street name, city and country.
Thawte Code Signing CA and Thawte Code Signing CA - G2 has issued the GG Network S.A. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the GG Network S.A. files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/48 | ggbho.1.dll |
| 5/42 | ggbho.1.dll |
| 1/55 | ggbho.1.dll |
| 0/55 | ggapp.exe |
| 0/50 | gghub.exe |
| 0/51 | ggbho.2.dll |
| 0/56 | zlib1.dll |
Here's the detection names for the GG Network S.A. files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Antiy-AVL | Trojan/Win32.BHO.gen |
| CAT-QuickHeal | Trojan.BHO.ypd |
| K7AntiVirus | Trojan |
| VBA32 | Trojan.Win32.BHO.ypd |
| nProtect | Trojan/W32.BHO.42088 |
The detection percentage is based on the fact that I've collected 472 scan reports for the GG Network S.A. files. 7 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: