Did you just stumble upon a download or a file on your computer that has a digital signature from Spotflux, Inc? Some of the security products refers to the detected files as PUA_BROWSEFOX.SMF1 and a variant of Win64/NetFilter.A potentially unsafe. The detection rate for the Spotflux, Inc files collected here is 3%. Please read on for more details.
You'll probably notice Spotflux, Inc when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the digital signature details for Spotflux, Inc with the following procedure:
Here's a screenshot of a file that has been signed by Spotflux, Inc:
As you can see in the screengrab above, the Windows OS states that "This digital signature is OK". This means that the file has been published by Spotflux, Inc and that the file has not been tampered with.
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 view the address for Spotflux, Inc, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Spotflux, Inc certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the Spotflux, Inc files I've gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
8/68 | netfilter2.sys |
1/49 | spotflux.exe |
1/53 | netfilter2.sys |
4/56 | netfilter2.sys |
1/57 | netfilter2.sys |
Here is the detection names for the Spotflux, Inc files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
Antiy-AVL | Trojan/Win32.TGeneric |
ByteHero | Trojan.Malware.KillAV.Gen.001 |
DrWeb | Tool.NetFilter.313 |
ESET-NOD32 | a variant of Win64/NetFilter.A potentially unsafe |
Endgame | malicious (high confidence) |
Ikarus | AdWare.SwiftBrowse |
Jiangmin | AdWare/Yotoon.aq |
Kaspersky | not-a-virus:NetTool.Win64.NetFilter.a |
SUPERAntiSpyware | Adware.NetFilter/Variant |
TrendMicro | PUA_BROWSEFOX.SMF1 |
TrendMicro-HouseCall | PUA_BROWSEFOX.SMF1 |
Yandex | Riskware.Agent! |
Zillya | Adware.Trioris.Win32.9 |
The detection percentage is based on that I have collected 493 scan reports for the Spotflux, Inc files. 15 of these scan reports came up with some sort of detection. You can view the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: