Did you just run into a file that is digitally signed by HYUNDAI MNSOFT, INC.? If that's the case, please read on.
You'll typically see HYUNDAI MNSOFT, INC. when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the additional details from the HYUNDAI MNSOFT, INC. digital signature with the following procedure:
Here is a screengrab of a file signed by HYUNDAI MNSOFT, INC.:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by HYUNDAI MNSOFT, INC. and that the file has not been tampered with.
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 examine the address for HYUNDAI MNSOFT, INC., such as the street name, city and country.
Symantec Class 3 Extended Validation Code Signing CA - G2 has issued the HYUNDAI MNSOFT, INC. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the HYUNDAI MNSOFT, INC. files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the HYUNDAI MNSOFT, INC. files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by HYUNDAI MNSOFT, INC..
| Detection Ratio | File Name |
|---|---|
| Not available | SmartUpdatePlus.exe |
The analysis has been done on certificates with the following serial numbers: