Did you just run into a download or a file on your computer that has a digital signature from Webroot? If that's the case, please read on.
You will typically see Webroot when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the Webroot certificate with the following steps:
Here's a screenshot of a file that has been digitally signed by Webroot:

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 Webroot and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot 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 see the address for Webroot, such as the street name, city and country.
Sectigo RSA Code Signing CA has issued the Webroot certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Webroot files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/65 | WRusr.dll |
| 0/67 | WRusr.dll |
| 0/71 | WRusr.dll |
| 0/67 | wrUrl.dll |
The detection percentage is based on the fact that I've collected 270 scan results for the Webroot 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 reports by examining the files listed above.
The analysis is based on certificates with the following serial numbers: