Did you just find a download or a file on your computer that has a digital signature from Swarmcast, Inc.? If that's the case, please read on.
You'll typically notice Swarmcast, Inc. when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the additional details from the Swarmcast, Inc. digital signature with the following steps:
Here is a screencap of a file that has been digitally signed by Swarmcast, Inc.:

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 Swarmcast, Inc. and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap 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 Swarmcast, Inc., such as the street name, city and country.
Thawte Code Signing CA has issued the Swarmcast, Inc. 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 Swarmcast, Inc. files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/47 | autobahn.exe |
The detection percentage is based on the fact that I've gathered 47 scan results for the Swarmcast, Inc. files. 0 of these scan results 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 is done on certificates with the following serial numbers: