Did you just run into a file that is digitally signed by RCS LT UAB? If that's the case, please read on.
You will probably notice RCS LT UAB when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for RCS LT UAB with the following procedure:
Here's a screenshot of a file signed by RCS LT UAB:

As you can see in the screencap above, Windows states that "This digital signature is OK". This implies that the file has been published by RCS LT UAB 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, and so on. You can also examine the address for RCS LT UAB, such as the street name, city and country.
DigiCert Global G3 Code Signing ECC SHA384 2021 CA1 has issued the RCS LT UAB 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 RCS LT UAB files I've collected, thanks to the FreeFixer users.At the moment there's no scan result available for any of the RCS LT UAB files, but they have been queued for scanning. Please reload this page in 5-10 minutes to check if the scan result is available.
| Detection Ratio | File Name |
|---|---|
| Queued for scan.. | setup.exe |
| Not available | f_00024e |
The analysis is based on certificates with the following serial numbers: