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

You can also view the vgrid Co.,Ltd certificate with the following procedure:
Here's a screenshot of a file digitally signed by vgrid Co.,Ltd:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by vgrid Co.,Ltd 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, and so on. You can also examine the address for vgrid Co.,Ltd, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the vgrid Co.,Ltd certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the vgrid Co.,Ltd files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the vgrid Co.,Ltd files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by vgrid Co.,Ltd.
| Detection Ratio | File Name |
|---|---|
| Not available | v_member.exe |
The analysis is done on certificates with the following serial numbers: