Did you just find a file that has been digitally signed by RSSBus Inc.? If that's the case, please read on.
You will typically see RSSBus Inc. when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view additional details from the RSSBus Inc. certificate with the following procedure:
Here is a screencap of a file that has been signed by RSSBus 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 RSSBus Inc. 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 RSSBus Inc., such as the street name, city and country.
COMODO Code Signing CA 2 has issued the RSSBus Inc. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the RSSBus Inc. files I've gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the RSSBus Inc. files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by RSSBus Inc..
| Detection Ratio | File Name |
|---|---|
| Not available | FTPConnectorWindowsSetup (1).exe |
The analysis is based on certificates with the following serial numbers: