Did you just run into a download or a file on your computer that has a digital signature from F11L Software Inc.? Some of the security products refers to the detected files as Unwanted-Program ( 004bb7091 ) and Generic Suspicious. The detection rate for the F11L Software Inc. files collected here is 14%. Please read on for more details.
You will probably notice F11L Software Inc. when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the F11L Software Inc. certificate with the following procedure:
Here is a screenshot of a file that has been signed by F11L Software Inc.:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by F11L Software Inc. 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, etc. You can also see the address for F11L Software Inc., such as the street name, city and country.
Go Daddy Secure Certificate Authority - G2 has issued the F11L Software Inc. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
These are the F11L Software Inc. files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 11/57 | setup.exe |
| 10/53 | setup.exe |
| 11/56 | 1_euDfBe.exe.part |
Here's the detection names for the F11L Software Inc. files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | InstallBrain.CF, InstallBrain.CK |
| AVware | InstallBrain (fs) |
| AhnLab-V3 | PUP/Win32.InstallBrain |
| Avast | Win32:Trojan-gen |
| Avira | PUA/InstallBrain.Gen7 |
| Bkav | W32.HfsAdware.853E |
| DrWeb | Trojan.iBryte.502 |
| ESET-NOD32 | a variant of Win32/InstallBrain.CY potentially unwanted, a variant of Win32/InstallBrain.CU potentially unwanted |
| Ikarus | PUA.InstallBrain |
| K7AntiVirus | Unwanted-Program ( 004bb7091 ), Unwanted-Program ( 004bca9f1 ) |
| K7GW | Unwanted-Program ( 004bb7091 ), Unwanted-Program ( 004bca9f1 ) |
| Malwarebytes | PUP.Optional.PerformerSoft.A |
| Panda | Generic Suspicious |
| Sophos | InstallBrain |
| Tencent | Trojan.Win32.Qudamah.Gen.7, Trojan.Win32.Qudamah.Gen.1 |
| VIPRE | InstallBrain (fs) |
The detection percentage is based on that I've gathered 222 scan results for the F11L Software Inc. files. 32 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis is done on certificates with the following serial numbers: