Did you just stumble upon a file that is digitally signed by PROMOSOFT CORPORATION? If so, please read on.
You will typically see PROMOSOFT CORPORATION when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the PROMOSOFT CORPORATION certificate with the following procedure:
Here's a screenshot of a file digitally signed by PROMOSOFT CORPORATION:

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 PROMOSOFT CORPORATION 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, etc. You can also see the address for PROMOSOFT CORPORATION, such as the street name, city and country.
DigiCert High Assurance Code Signing CA-1 has issued the PROMOSOFT CORPORATION certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the PROMOSOFT CORPORATION files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | sysike.sys |
| 0/49 | sfshell0.dll |
| 0/49 | clrcert.sys |
The detection percentage is based on the fact that I've collected 153 scan results for the PROMOSOFT CORPORATION files. 0 of these scan results came up with some sort of detection. 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: