Did you just run into a file that is digitally signed by NowSmart Limited? If that's the case, please read on.
You will typically notice NowSmart Limited when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the NowSmart Limited certificate with the following procedure:
Here is a screencap of a file that has been signed by NowSmart Limited:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by NowSmart Limited and that the file has not been tampered with.
If you click the View Certificate button shown in the screengrab 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 examine the address for NowSmart Limited, such as the street name, city and country.
Thawte Code Signing CA has issued the NowSmart Limited certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the NowSmart Limited files I've collected, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the NowSmart Limited files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by NowSmart Limited.
| Detection Ratio | File Name |
|---|---|
| Not available | arw5.exe |
The analysis is based on certificates with the following serial numbers: