Did you just download a file that is digitally signed by Josip Medved and wonder if the file is safe? If that's the case, please read on.
You will typically see Josip Medved when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Josip Medved certificate with the following steps:
Here is a screencap of a file signed by Josip Medved:

As you can see in the screencap above, Windows reports that "This digital signature is OK". This implies that the file has been published by Josip Medved 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 Josip Medved, such as the street name, city and country.
StartCom Class 2 Primary Intermediate Object CA and StartCom Class 2 Object CA has issued the Josip Medved certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Josip Medved files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/42 | vhdattachservice.exe |
| 0/56 | vhdattachservice.exe |
| 0/65 | VhdAttachService.exe |
The detection percentage is based on that I've gathered 272 scan reports for the Josip Medved files. 0 of these scan reports came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis is based on certificates with the following serial numbers: