Did you just run into a download or a file on your computer that has a digital signature from Web Amplified? Some of the security products refers to the detected files as Adware.BrowseFox.V and Adware.BrowseFox.BU. The detection rate for the Web Amplified files collected here is 48%. Please read on for more details.
You will probably notice Web Amplified 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 Web Amplified certificate with the following procedure:
Here is a screenshot of a file that has been signed by Web Amplified:

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 Web Amplified and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap 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 Web Amplified, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Web Amplified certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Web Amplified files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 17/57 | updatewebamplified.exe |
| 27/57 | {5b395c03-577d-46dc-b32b-420c53511420}gw64.sys |
| 36/57 | WebAmplifiedbho.dll |
| 39/57 | b50d.dll |
| 33/57 | {b50d0351-887b-4ba2-b70c-fa22f9790730}gw.sys |
| 17/57 | WebAmplified.BrowserAdapter.dll |
| 31/57 | 5b3964.dll |
Here is the detection names for the Web Amplified files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547, Adware.BrowseFox.V |
| AVG | Generic.9B7, AdPlugin.DAI, AdPlugin.DWJ, AdPlugin.CUI, Generic_r.YI |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547, Adware.BrowseFox.BU, Adware.BrowseFox.V, Adware.Agent.PJT |
| Agnitum | Riskware.Agent!, PUA.BrowseFox!, Trojan.Yontoo! |
| AhnLab-V3 | PUP/Win32.BrowseFox |
| Antiy-AVL | GrayWare[NetTool:not-a-virus]/Win64.NetFilter.a, Trojan/Win32.TSGeneric, GrayWare[AdWare]/Win32.Yotoon.szt, GrayWare[AdWare:not-a-virus]/Win32.Yotoon.kam, GrayWare[AdWare]/Win64.Agent.ar |
| Arcabit | Adware.SwiftBrowse.CH, Trojan.Adware.Mikey.D2D1B, Adware.BrowseFox.BU, Adware.BrowseFox.V, Adware.Agent.PJT |
| Avast | Win32:BrowseFox-ME [PUP] |
| Avira | ADWARE/BrowseFox.Gen7, ADWARE/BrowseFox.Gen2, ADWARE/BrowseFox.Gen, ADWARE/BrowseFox.A.1227 |
| BitDefender | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547, Adware.BrowseFox.BU, Adware.BrowseFox.V, Adware.Agent.PJT |
| Bkav | W32.HfsAdware.2FC8, W64.HfsAdware.2FC8, W32.BrowseFoxAC.Adware |
| CAT-QuickHeal | AdWare.Yotoon.A6, PUA.BrowseFox.OL8 |
| ClamAV | Win.Adware.Swiftbrowse-497, Win.Adware.Browsefox-205, Win.Adware.Netfilter-134, Win.Adware.Browsefox-227 |
| Comodo | Application.Win32.BrowseFox.AKP, TrojWare.Win32.BrowseFox.FY, TrojWare.Win32.AltBrowse.IZZV, UnclassifiedMalware |
| Cyren | W32/S-bc825f4f!Eldorado, W64/A-59c9c70a!Eldorado, W32/S-9c4b2ea6!Eldorado, W32/Trojan.UPQP-8212, W32/S-a7161e1c!Eldorado, W32/S-c7481aef!Eldorado, W64/S-065cf46e!Eldorado |
| DrWeb | Trojan.Yontoo.1808 |
| ESET-NOD32 | a variant of MSIL/BrowseFox.G potentially unwanted, a variant of Win64/NetFilter.A potentially unsafe, a variant of Win32/BrowseFox.AE potentially unwanted, a variant of Win32/BrowseFox.M potentially unwanted, a variant of Win32/NetFilter.A potentially unsafe |
| Emsisoft | Adware.SwiftBrowse.CH (B), Gen:Variant.Adware.Mikey.11547 (B), Adware.BrowseFox.BU (B), Adware.BrowseFox.V (B), Adware.Agent.PJT (B) |
| F-Prot | W32/S-bc825f4f!Eldorado, W64/A-59c9c70a!Eldorado, W32/S-9c4b2ea6!Eldorado, W32/Trojan2.OVRF, W32/S-a7161e1c!Eldorado, W32/S-c7481aef!Eldorado, W64/S-065cf46e!Eldorado |
| F-Secure | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey, Adware.BrowseFox.BU, Adware.BrowseFox.V, Adware.Agent.PJT |
| Fortinet | Riskware/BrowseFox, Riskware/NetFilter, Adware/Agent |
| GData | MSIL.Adware.BrowseFox.AA@gen, Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547, Adware.BrowseFox.BU, Adware.BrowseFox.V, MSIL.Adware.BrowseFox.W@gen, Adware.Agent.PJT |
| Jiangmin | AdWare/SwiftBrowse.dxt, Adware/Agent.ammd, AdWare/Yotoon.lm, Adware/Agent.amme |
| K7AntiVirus | Adware ( 700000121 ), Adware ( 0040f9f21 ), Adware ( 004b8df51 ), Trojan ( 004a073e1 ), Unwanted-Program ( 0040f9e71 ) |
| K7GW | Adware ( 700000121 ), Adware ( 0040f9f21 ), Adware ( 004b8df51 ), Trojan ( 004a073e1 ), Unwanted-Program ( 0040f9e71 ) |
| Kaspersky | not-a-virus:NetTool.Win64.NetFilter.k, not-a-virus:AdWare.Win32.Yotoon.szt, not-a-virus:AdWare.Win64.Agent.ar |
| Malwarebytes | PUP.Optional.WebAmplified |
| McAfee | BrowseFox-FAF, Artemis!4399DB0DF250, BrowseFox-FWL, BrowseFox-FAB, BrowseFox-FWK |
| McAfee-GW-Edition | BrowseFox-FAF, BehavesLike.Win64.PUPAmonetize.ph, Artemis!PUP, BrowseFox-FWL, BrowseFox-FAB, BrowseFox-FWK |
| MicroWorld-eScan | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547, Adware.BrowseFox.BU, Adware.BrowseFox.V, Adware.Agent.PJT |
| NANO-Antivirus | Riskware.Win32.BPlug.djpkri, Trojan.Win32.Yontoo.dnkubo, Trojan.Win32.BPlug.dmjqza, Riskware.Win32.Yotoon.dsmpht |
| Panda | Generic Suspicious, Trj/CI.A |
| Qihoo-360 | HEUR/QVM30.1.Malware.Gen |
| Rising | PE:Adware.BrowseFox!6.1D8B[F1], PE:Adware.SwiftBrowse!6.1BA9[F1] |
| SUPERAntiSpyware | Adware.SwiftBrowse/Variant, Adware.BrowseFox/Variant |
| Sophos | Browse Fox (PUA), Generic PUA FC (PUA) |
| Symantec | Trojan.Gen.2, PUA.Yontoo.C |
| Tencent | Win32.Risk.Adware.Suxe, Win32.Risk.Adware.Pciz, Win32.Risk.Adware.Akyu, Win32.Risk.Adware.Dygy, Win32.Risk.Adware.Ahyn |
| TrendMicro | TROJ_GEN.R02KC0EIR15, TROJ_GEN.R047C0PIR15 |
| VBA32 | AdWare.MSIL.Agent, AdWare.Kranet, AdWare.Zaitu |
| VIPRE | Trojan.Win32.Generic!BT |
| Zillya | Adware.Yotoon.Win64.14, Adware.BrowseFox.Win32.555, Adware.Agent.Win32.37670 |
| nProtect | Trojan-Clicker/W32.Yotoon.48784, Adware.BrowseFox.BU, Adware.BrowseFox.V, Adware.Agent.PJT |
The detection percentage is based on the fact that I've gathered 737 scan results for the Web Amplified files. 357 of these scan results came up with some sort of detection. 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: