Did you just find a file that has a digital signature from NCP engineering GmbH? If that's the case, please read on.
You will typically see NCP engineering GmbH 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 also view the NCP engineering GmbH certificate with the following steps:
Here is a screenshot of a file digitally signed by NCP engineering GmbH:

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 NCP engineering GmbH and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap 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, etc. You can also view the address for NCP engineering GmbH, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA has issued the NCP engineering GmbH certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the NCP engineering GmbH files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/44 | ncppopup.exe |
The detection percentage is based on that I have gathered 44 scan results for the NCP engineering GmbH 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 is done on certificates with the following serial numbers: