Did you just stumble upon a file that is digitally signed by Wolfson Microelectronics? If that's the case, please read on.
You will typically notice Wolfson Microelectronics when 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 additional details from the Wolfson Microelectronics digital signature with the following procedure:
Here is a screengrab of a file that has been signed by Wolfson Microelectronics:

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 Wolfson Microelectronics 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 Wolfson Microelectronics, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Wolfson Microelectronics certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Wolfson Microelectronics files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | wmsvc.exe |
The detection percentage is based on the fact that I have collected 56 scan reports for the Wolfson Microelectronics files. 0 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: