Did you just download a file that is digitally signed by Stephan Schreiber and wonder if the file is safe? If so, please read on.
You'll typically notice Stephan Schreiber when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the additional details from the Stephan Schreiber digital signature with the following procedure:
Here is a screenshot of a file that has been signed by Stephan Schreiber:

As you can see in the screencap above, Windows reports that "This digital signature is OK". This means that the file has been published by Stephan Schreiber and that no one has tampered with the file.
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, etc. You can also examine the address for Stephan Schreiber, such as the street name, city and country.
GlobalSign ObjectSign CA has issued the Stephan Schreiber certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Stephan Schreiber files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/68 | Ext2IFS_1_11a.exe |
The detection percentage is based on that I have gathered 68 scan reports for the Stephan Schreiber files. 0 of these scan reports came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: