Did you just download a file that has a digital signature from Rose City Software LLC and wonder if the file is safe? If so, please read on.
You'll typically see Rose City Software LLC when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Rose City Software LLC certificate with the following steps:
Here's a screenshot of a file signed by Rose City Software LLC:

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 Rose City Software LLC 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, and so on. You can also view the address for Rose City Software LLC, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Rose City Software LLC certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Rose City Software LLC files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/69 | RFA_start.exe |
| 1/67 | plg_owith64.dll |
| 0/51 | rfagent32.exe |
| 0/55 | rfagent64.exe |
| 0/47 | RFA_start.exe |
| 0/56 | rfagent32.exe |
Here's the detection names for the Rose City Software LLC files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| DrWeb | Program.Unwanted.1342, Program.Unwanted.1408 |
| Zillya | Trojan.GenericKDCRTD.Win32.8679 |
The detection percentage is based on the fact that I have collected 345 scan results for the Rose City Software LLC files. 3 of these scan results came up with some sort of detection. If you like, you can view 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: