Did you just find a download or a file on your computer that has a digital signature from BuzzSearch? Some of the security products refers to the detected files as Adware.NetFilter.E and RDN/Generic PUP.x!cjw. The detection rate for the BuzzSearch files collected here is 18%. Please read on for more details.
You will typically notice BuzzSearch when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for BuzzSearch with the following steps:
Here's a screenshot of a file that has been signed by BuzzSearch:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by BuzzSearch and that no one has tampered with the file.
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, and so on. You can also view the address for BuzzSearch, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the BuzzSearch 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 BuzzSearch files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/47 | updatebuzzsearch.exe |
| 25/54 | {ba099a85-e825-4802-83e7-d386a5b4a734}w64.sys |
Here's the detection names for the BuzzSearch files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Skodna.BuzzSearch |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.NetFilter.E |
| Agnitum | Trojan.BPlug! |
| AhnLab-V3 | Trojan/Win64.SwiftBrowse |
| Antiy-AVL | Trojan/Win32.TSGeneric |
| Baidu-International | Trojan.Win64.Riskware.BNetFilter |
| BitDefender | Adware.NetFilter.E |
| ClamAV | Win.Adware.Swiftbrowse-75 |
| Comodo | UnclassifiedMalware |
| DrWeb | Trojan.BPlug.123 |
| ESET-NOD32 | a variant of Win32/BrowseFox.G, Win64/Riskware.NetFilter.A |
| Emsisoft | Adware.NetFilter.E (B) |
| F-Prot | W64/A-e967bae2!Eldorado |
| F-Secure | Adware.NetFilter.E |
| GData | Adware.NetFilter.E |
| Jiangmin | AdWare/Yotoon.m |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| McAfee | RDN/Generic PUP.x!cjw |
| McAfee-GW-Edition | RDN/Generic PUP.x!cjw |
| MicroWorld-eScan | Adware.NetFilter.E |
| Sophos | BrowseSmart |
| Symantec | Trojan.Gen.2 |
| VIPRE | Trojan.Win32.Generic!BT |
| Zillya | Adware.Yotoon.Win64.3 |
| nProtect | Adware.NetFilter.E |
The detection percentage is based on that I've collected 148 scan reports for the BuzzSearch files. 27 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 based on certificates with the following serial numbers: