Did you just download a file that is digitally signed by NOS Microsystems Limited and wonder if the file is safe? If that's the case, please read on.
You will probably notice NOS Microsystems Limited when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the NOS Microsystems Limited certificate with the following steps:
Here is a screenshot of a file that has been digitally signed by NOS Microsystems Limited:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by NOS Microsystems Limited 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, etc. You can also view the address for NOS Microsystems Limited, such as the street name, city and country.
Thawte Code Signing CA has issued the NOS Microsystems Limited certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the NOS Microsystems Limited files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/45 | nosso_air.exe |
The detection percentage is based on the fact that I've gathered 45 scan results for the NOS Microsystems Limited 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 results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: