Did you just run into a download or a file on your computer that is digitally signed by Tall Emu? If so, please read on.
You will typically notice Tall Emu 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 Tall Emu digital signature with the following steps:
Here's a screengrab of a file that has been digitally signed by Tall Emu:

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 Tall Emu and that the file has not been tampered with.
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 see the address for Tall Emu, such as the street name, city and country.
GlobalSign ObjectSign CA has issued the Tall Emu 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 Tall Emu files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/41 | oanet.sys |
| 0/43 | oamon.sys |
| 0/43 | oamon.sys |
| 0/46 | oadriver.sys |
The detection percentage is based on the fact that I have gathered 173 scan reports for the Tall Emu files. 0 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 has been done on certificates with the following serial numbers: