Browse Fox - 20% Detection Rate *
Did you just find a download or a file on your computer that has been digitally signed by Browse Fox? Some of the security products refers to the detected files as MalSign.Skodna.BrowseFox and PUP.Optional.BrowseFox.A. The detection rate for the Browse Fox files collected here is 20%. Please read on for more details.
You will typically notice Browse Fox when 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 Browse Fox with the following steps:
- Open up Windows Explorer and locate the Browse Fox file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here's a screengrab of a file signed by Browse Fox:
As you can see in the screengrab above, Windows states that "This digital signature is OK". This implies that the file has been published by Browse Fox and that the file has not been tampered with.
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, etc. You can also examine the address for Browse Fox, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Browse Fox certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Browse Fox Files
The following are the Browse Fox files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 6/48 | BrowseFoxbho.dll |
| 8/47 | updateBrowseFox.exe |
| 6/47 | updatebrowsefox.exe |
| 6/48 | BrowseFoxbho.dll |
| 8/50 | utilBrowseFox.exe |
| 11/55 | BrowseFox.PurBrowse.exe |
| 12/54 | updateBrowseFox.exe |
| 19/56 | BrowseFoxbho.dll |
| 13/47 | Setup[1].exe |
Scanner and Detection Names
Here is the detection names for the Browse Fox files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | MalSign.Skodna.BrowseFox, Generic.CC3, Skodna.BrowseFox |
| AVware | Yontoo (fs) |
| Agnitum | Riskware.Agent! |
| AhnLab-V3 | Adware/Win32.Downloader, PUP/Win32.BrowseFox |
| AntiVir | TR/Downloader.Gen2 |
| Antiy-AVL | GrayWare[AdWare:not-a-virus,HEUR]/Win32.Kranet, AdWare/Win32.WebCake.gen |
| Baidu-International | Adware.Win32.BrowseFox.BJ, Adware.Win32.BrowseFox.brow, Adware.Win32.BrowseFox.A |
| Bkav | W32.Clod854.Trojan.a6c9, W32.HfsAdware.336E, W32.Clod8b5.Trojan.5aff |
| CAT-QuickHeal | PUA.Browsefox.Gen |
| Comodo | Application.Win32.Altbrowse.AK |
| DrWeb | Adware.Searcher.2574, Trojan.BPlug.9, Adware.Plugin.100, Trojan.Yontoo.1820 |
| ESET-NOD32 | Win32/BrowseFox.A, a variant of Win32/BrowseFox.G, a variant of Win32/BrowseFox.J, a variant of MSIL/BrowseFox.A, Win32/BrowseFox.A potentially unwanted, Win32/BrowseFox.C |
| Fortinet | Riskware/BrowseFox, W32/BrowseFox.A |
| GData | Win32.Application.BrowseFox.B |
| K7AntiVirus | Trojan ( 004a27a51 ), Adware ( 004be5961 ) |
| K7GW | Trojan ( 020000001 ), Adware ( 004be5961 ) |
| Kaspersky | not-a-virus:HEUR:AdWare.Win32.Kranet.heur |
| Kingsoft | Win32.Troj.Generic.a.(kcloud), VIRUS_UNKNOWN |
| Malwarebytes | PUP.Optional.BrowseFox.A |
| McAfee | Artemis!13EAFAAE681E, Artemis!9F7302D69538, Artemis!0290648D8F81, Artemis!ACE386E8AB7E, Artemis!F659C3738396, Artemis!C7E896CCF87C |
| McAfee-GW-Edition | Artemis!13EAFAAE681E, Artemis!9F7302D69538, Artemis!0290648D8F81, Artemis, Artemis!C7E896CCF87C |
| NANO-Antivirus | Trojan.Win32.Searcher.cspetj |
| SUPERAntiSpyware | PUP.Plugin/Variant |
| Sophos | SuperWeb |
| Symantec | PUA.Yontoo.C!gen1 |
| TrendMicro-HouseCall | TROJ_GEN.F47V0908, TROJ_GEN.F47V1003, TROJ_GEN.F47V0110, TROJ_GEN.F47V0829 |
| VIPRE | Yontoo (fs), Trojan.Win32.Generic!BT |
| ViRobot | Trojan.Win32.S.Agent.65312.B |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 452 scan reports for the Browse Fox files. 89 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis is based on certificates with the following serial numbers:
- 3da9f504a9e9628c2224f40c9ea90c86
- 01384fb7929c948c4a9acd0bc2f3e8c0