Did you just run into a download or a file on your computer that has a digital signature from BarDiscover.com? Some of the security products refers to the detected files as Gen:Variant.Adware.Zwangi.2 and BrowserModifier:Win32/Zwangi. The detection rate for the BarDiscover.com files collected here is 28%. Please read on for more details.
You will typically see BarDiscover.com when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the BarDiscover.com certificate with the following steps:
Here is a screenshot of a file signed by BarDiscover.com:

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This implies that the file has been published by BarDiscover.com 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, and so on. You can also examine the address for BarDiscover.com, such as the street name, city and country.
UTN-USERFirst-Object has issued the BarDiscover.com certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the BarDiscover.com files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/41 | bardiscover.exe |
| 26/42 | bardiscover145.exe |
| 4/41 | bardiscover121.exe |
Here is the detection names for the BarDiscover.com files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | AdSearcher.A |
| AntiVir | ADSPY/AdSpy.Gen2 |
| Avast | Win32:Zwangi-J [PUP] |
| BitDefender | Gen:Variant.Adware.Zwangi.2 |
| Commtouch | W32/Zwangi.E.gen!Eldorado |
| Comodo | UnclassifiedMalware |
| Emsisoft | Adware.Zwangi!IK |
| F-Prot | W32/Zwangi.E.gen!Eldorado |
| F-Secure | Gen:Variant.Adware.Zwangi.2 |
| Fortinet | Adware/OneStep |
| GData | Gen:Variant.Adware.Zwangi.2 |
| Ikarus | BHO.Win32.Zwangi, not-a-virus:Adware.Zwangi |
| K7AntiVirus | Adware |
| McAfee | Adware-OneStep.f |
| McAfee-GW-Edition | Adware-OneStep.f |
| Microsoft | BrowserModifier:Win32/Zwangi |
| NOD32 | a variant of Win32/Adware.OneStep.L, a variant of Win32/Adware.OneStep.H |
| Norman | W32/Suspicious_Gen2.EZXES |
| PCTools | Adware.Zwunzi |
| Panda | Generic Malware, Suspicious file |
| Prevx | Medium Risk Malware, Low Risk Adware |
| Sophos | Zwangi |
| Symantec | Trojan.ADH.2 |
| TrendMicro | TROJ_SPNR.0FJT11 |
| TrendMicro-HouseCall | TROJ_SPNR.0FJT11 |
| VIPRE | Onestepsearch |
| VirusBuster | Adware.OneStep!qGHdIZxRU2k |
| a-squared | BHO.Win32.Zwangi!IK |
| eSafe | Win32.ADSPYAdSpy |
The detection percentage is based on that I have gathered 124 scan results for the BarDiscover.com files. 35 of these scan results 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 has been done on certificates with the following serial numbers: