Did you just stumble upon a file that is digitally signed by bwin.party digital entertainment plc? If so, please read on.
You will typically see bwin.party digital entertainment plc when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for bwin.party digital entertainment plc with the following procedure:
Here is a screenshot of a file that has been signed by bwin.party digital entertainment plc:

As you can see in the screencap above, Windows states that "This digital signature is OK". This means that the file has been published by bwin.party digital entertainment plc and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab 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 view the address for bwin.party digital entertainment plc, such as the street name, city and country.
Thawte Code Signing CA - G2 and thawte SHA256 Code Signing CA has issued the bwin.party digital entertainment plc certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the bwin.party digital entertainment plc files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | PartyPokerSetup[1].exe |
| 0/54 | giocodigitalePoker.exe |
The detection percentage is based on the fact that I have gathered 110 scan reports for the bwin.party digital entertainment plc files. 0 of these scan results came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: