Did you just run into a download or a file on your computer that is digitally signed by Norman AS? If so, please read on.
You'll typically see Norman AS 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 additional details from the Norman AS digital signature with the following procedure:
Here's a screenshot of a file digitally signed by Norman AS:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Norman AS and that the file has not been tampered with.
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 see the address for Norman AS, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Norman AS certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Norman AS files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/54 | nvcsvc.exe |
| 0/56 | nfservice.exe |
| 0/41 | ncm3.dll |
| 0/48 | nvoy.exe |
| 0/46 | NSE_W32.DLL |
| 0/57 | nfservice.exe |
| 0/68 | NormanSecuritySuite_1100x86.exe |
The detection percentage is based on that I have gathered 370 scan reports for the Norman AS files. 0 of these scan reports 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 is done on certificates with the following serial numbers: