Did you just find a download or a file on your computer that is digitally signed by Markement GmbH? If that's the case, please read on.
You will probably see Markement GmbH 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 Markement GmbH certificate with the following procedure:
Here's a screenshot of a file that has been digitally signed by Markement GmbH:

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 Markement GmbH and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine 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 see the address for Markement GmbH, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA has issued the Markement GmbH certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the Markement GmbH files I have collected, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the Markement GmbH files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by Markement GmbH.
| Detection Ratio | File Name |
|---|---|
| Not available | pcsuitedefragsvc.exe |
The analysis is based on certificates with the following serial numbers: