Did you just stumble upon a file that is digitally signed by HANGZHOU HUATU SOFTWARE CO., LTD? If that's the case, please read on.
You will probably see HANGZHOU HUATU SOFTWARE CO., LTD when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view additional details from the HANGZHOU HUATU SOFTWARE CO., LTD certificate with the following steps:
Here's a screencap of a file signed by HANGZHOU HUATU SOFTWARE CO., LTD:

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 HANGZHOU HUATU SOFTWARE CO., LTD and that no one has tampered with the file.
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 view the address for HANGZHOU HUATU SOFTWARE CO., LTD, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the HANGZHOU HUATU SOFTWARE CO., LTD certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the HANGZHOU HUATU SOFTWARE CO., LTD files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the HANGZHOU HUATU SOFTWARE CO., LTD files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by HANGZHOU HUATU SOFTWARE CO., LTD.
| Detection Ratio | File Name |
|---|---|
| Not available | fpro.exe |
The analysis has been done on certificates with the following serial numbers: