Did you just find a download or a file on your computer that has been digitally signed by Unified Color Technologies? If that's the case, please read on.
You'll typically notice Unified Color Technologies when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for Unified Color Technologies with the following steps:
Here is a screencap of a file that has been digitally signed by Unified Color Technologies:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Unified Color Technologies and that the file has not been tampered with.
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 see the address for Unified Color Technologies, such as the street name, city and country.
UTN-USERFirst-Object and COMODO Code Signing CA 2 has issued the Unified Color Technologies certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Unified Color Technologies files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/46 | hdrexpressservice.exe |
| 0/47 | HDRExpress2Service.exe |
| 0/71 | 32float2service.exe |
The detection percentage is based on that I have gathered 164 scan reports for the Unified Color Technologies files. 0 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: