Did you just run into a download or a file on your computer that is digitally signed by Pavel Werl? If that's the case, please read on.
You will probably see Pavel Werl 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 also view the Pavel Werl certificate with the following procedure:
Here's a screenshot of a file that has been signed by Pavel Werl:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Pavel Werl and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can view 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 Pavel Werl, such as the street name, city and country.
StartCom Class 2 Object CA has issued the Pavel Werl certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the Pavel Werl files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/67 | PrivacyRepairer.exe |
The detection percentage is based on the fact that I've gathered 67 scan reports for the Pavel Werl files. 0 of these scan results came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis is based on certificates with the following serial numbers: