Did you just find a download or a file on your computer that has a digital signature from Symbu LLC? Some of the security products refers to the detected files as DownloadAdmin (fs) and Trojan.Win32.Atraps.b. The detection rate for the Symbu LLC files collected here is 9%. Please read on for more details.
You'll typically notice Symbu LLC 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 additional details from the Symbu LLC certificate with the following steps:
Here is a screenshot of a file digitally signed by Symbu LLC:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Symbu LLC and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine 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 Symbu LLC, such as the street name, city and country.
DigiCert SHA2 Assured ID Code Signing CA has issued the Symbu LLC certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the Symbu LLC files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/57 | freeallinonemediaplayer-setup.exe |
Here's the detection names for the Symbu LLC files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVware | DownloadAdmin (fs) |
| ByteHero | Trojan.Win32.Atraps.b |
| F-Secure | Adware:W32/WebInstallBundle |
| GData | Win32.Application.DownloadAdmin.A |
| VIPRE | DownloadAdmin (fs) |
The detection percentage is based on the fact that I have collected 57 scan results for the Symbu LLC files. 5 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.
The analysis is done on certificates with the following serial numbers: