Did you just stumble upon a file that has a digital signature from Mobile Concepts GmbH? If so, please read on.
You will probably see Mobile Concepts GmbH when running 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 Mobile Concepts GmbH with the following steps:
Here is a screenshot of a file that has been signed by Mobile Concepts GmbH:

As you can see in the screencap above, the Windows OS reports that "This digital signature is OK". This implies that the file has been published by Mobile Concepts GmbH and that no one has tampered with the file.
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, etc. You can also view the address for Mobile Concepts GmbH, such as the street name, city and country.
Thawte Code Signing CA - G2 has issued the Mobile Concepts GmbH 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 Mobile Concepts GmbH files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the Mobile Concepts GmbH files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by Mobile Concepts GmbH.
| Detection Ratio | File Name |
|---|---|
| Not available | PimpMyDesktop_Setup.exe |
The analysis is based on certificates with the following serial numbers: