Did you just stumble upon a download or a file on your computer that has a digital signature from Full Spectrum Interactive? Some of the security products refers to the detected files as Win32/DownloadAdmin.G and DownloadAdmin (fs). The detection rate for the Full Spectrum Interactive files collected here is 16%. Please read on for more details.
You'll probably see Full Spectrum Interactive when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Full Spectrum Interactive certificate with the following steps:
Here is a screenshot of a file that has been signed by Full Spectrum Interactive:

As you can see in the screengrab above, Windows states that "This digital signature is OK". This means that the file has been published by Full Spectrum Interactive and that no one has tampered with the file.
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 see the address for Full Spectrum Interactive, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Full Spectrum Interactive certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Full Spectrum Interactive files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 7/48 | uplayermediaplayer-setup.exe |
| 11/48 | uplayermediaplayer-setup.exe |
| 4/47 | browserupdate-setup.exe |
| 4/43 | uplayermediaplayer-setup (2).exe |
| 11/49 | browserupdate-setup.exe |
Here is the detection names for the Full Spectrum Interactive files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AhnLab-V3 | PUP/Win32.Downloader |
| AntiVir | Adware/DownloadAdmin.AB.2, Adware/DownloadAdmin.AH.73 |
| Avast | Win32:PUP-gen [PUP] |
| DrWeb | Adware.DownloadAdmin.1 |
| ESET-NOD32 | Win32/DownloadAdmin.G |
| K7AntiVirus | Unwanted-Program, Unwanted-Program ( 00454f261 ) |
| K7GW | Unwanted-Program, Unwanted-Program ( 00454f261 ) |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| McAfee | Artemis!70DAEDA1BA18, Artemis!34F8E2056281 |
| McAfee-GW-Edition | Artemis!70DAEDA1BA18, Artemis!34F8E2056281 |
| NANO-Antivirus | Trojan.Win32.Downware.crgjbr |
| Rising | PE:Malware.XPACK/RDM!5.1 |
| Sophos | Download Admin |
| TrendMicro-HouseCall | TROJ_GEN.F47V0820, TROJ_GEN.F47V0115 |
| VIPRE | DownloadAdmin (fs) |
The detection percentage is based on that I have gathered 235 scan results for the Full Spectrum Interactive files. 37 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: