Did you just stumble upon a download or a file on your computer that has been digitally signed by TriSun Software Limited? If so, please read on.
You will probably notice TriSun Software 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 TriSun Software Limited certificate with the following procedure:
Here is a screenshot of a file that has been signed by TriSun Software Limited:

As you can see in the screengrab above, Windows states that "This digital signature is OK". This implies that the file has been published by TriSun Software Limited and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can see 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 TriSun Software Limited, such as the street name, city and country.
WoSign Class 3 Code Signing CA G2 has issued the TriSun Software Limited certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the TriSun Software Limited files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/68 | Advanced Recent Access.exe |
The detection percentage is based on that I've collected 68 scan reports for the TriSun Software Limited files. 0 of these scan results 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 has been done on certificates with the following serial numbers: