Did you just find a file that has been digitally signed by InterPromo GMBH? If so, please read on.
You will probably see InterPromo GMBH 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 view the additional details from the InterPromo GMBH digital signature with the following steps:
Here is a screencap of a file signed by InterPromo GMBH:

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 InterPromo GMBH 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, etc. You can also view the address for InterPromo GMBH, such as the street name, city and country.
Microsoft ID Verified CS EOC CA 04 and Microsoft ID Verified CS EOC CA 02 has issued the InterPromo GMBH certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the InterPromo GMBH files I've collected, thanks to the FreeFixer users.At the moment there's no scan result available for any of the InterPromo GMBH files, but they have been queued for scanning. Please reload this page in 5-10 minutes to check if the scan result is available.
| Detection Ratio | File Name |
|---|---|
| Queued for scan.. | msvcp140_codecvt_ids.dll |
| Not available | 452734.rbf |
The analysis is based on certificates with the following serial numbers: