Did you just run into a file that has been digitally signed by Covus Freemium GmbH? If so, please read on.
You will probably see Covus Freemium GmbH when 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 Covus Freemium GmbH certificate with the following procedure:
Here's a screengrab of a file signed by Covus Freemium GmbH:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Covus Freemium GmbH and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap 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 Covus Freemium GmbH, such as the street name, city and country.
GlobalSign CodeSigning CA - G2 has issued the Covus Freemium GmbH certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Covus Freemium GmbH files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/51 | SoftwareUpdater.Bootstrapper.exe |
| 0/48 | ProductIcon.exe |
Here is the detection names for the Covus Freemium GmbH files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| GData | Win32.Application.OneInstallSystemUpdater.B |
The detection percentage is based on the fact that I have gathered 99 scan results for the Covus Freemium GmbH files. 1 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 based on certificates with the following serial numbers: