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

You can view the digital signature details for Zbshareware Limited with the following steps:
Here's a screenshot of a file signed by Zbshareware Limited:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Zbshareware Limited 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 see the address for Zbshareware Limited, such as the street name, city and country.
COMODO Code Signing CA 2 and UTN-USERFirst-Object has issued the Zbshareware Limited certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Zbshareware Limited files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/50 | linkzb.exe |
| 0/48 | USBGuard.exe |
| 0/47 | USBGuard.exe |
| 0/47 | USBGuard.exe |
| 0/47 | USBGuard.exe |
| 0/57 | USBGuard.exe |
| 0/53 | USBGuard.exe |
| 0/55 | USBGuard.exe |
| 0/56 | USBGuard.exe |
The detection percentage is based on the fact that I've collected 460 scan results for the Zbshareware Limited files. 0 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis is done on certificates with the following serial numbers: