Did you just find a file that is digitally signed by ZHANG YUAN YUAN? If so, please read on.
You will probably notice ZHANG YUAN YUAN when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the additional details from the ZHANG YUAN YUAN digital signature with the following steps:
Here is a screencap of a file signed by ZHANG YUAN YUAN:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by ZHANG YUAN YUAN and that the file has not been tampered with.
If you click the View Certificate button shown in the screengrab 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, etc. You can also examine the address for ZHANG YUAN YUAN, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the ZHANG YUAN YUAN certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the ZHANG YUAN YUAN files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/57 | _@C10E.tmp |
Here is the detection names for the ZHANG YUAN YUAN files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Sophos | Elex (PUA) |
The detection percentage is based on the fact that I have collected 57 scan reports for the ZHANG YUAN YUAN files. 1 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
The analysis is based on certificates with the following serial numbers: