Did you just find a file that has been digitally signed by Smart Technology LLC? If that's the case, please read on.
You will probably notice Smart Technology LLC when double-clicking to run 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 Smart Technology LLC with the following steps:
Here is a screenshot of a file digitally signed by Smart Technology LLC:

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Smart Technology LLC 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, etc. You can also see the address for Smart Technology LLC, such as the street name, city and country.
GlobalSign CodeSigning CA - SHA256 - G2 has issued the Smart Technology LLC certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Smart Technology LLC files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/57 | srctrlservices.exe |
The detection percentage is based on the fact that I have gathered 57 scan reports for the Smart Technology LLC 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 has been done on certificates with the following serial numbers: