Did you just find a download or a file on your computer that has a digital signature from ImageMagick Studio LLC? If that's the case, please read on.
You will typically notice ImageMagick Studio LLC 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 digital signature details for ImageMagick Studio LLC with the following procedure:
Here's a screenshot of a file that has been signed by ImageMagick Studio LLC:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by ImageMagick Studio 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, and so on. You can also view the address for ImageMagick Studio LLC, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the ImageMagick Studio LLC certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the ImageMagick Studio LLC files I have collected, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the ImageMagick Studio LLC files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by ImageMagick Studio LLC.
| Detection Ratio | File Name |
|---|---|
| Not available | Magick.Native-Q16-x64.dll |
The analysis has been done on certificates with the following serial numbers: