BatBrowse - 29% Detection Rate *
Did you just stumble upon a download or a file on your computer that has a digital signature from BatBrowse? Some of the security products refers to the detected files as Adware.NetFilter.J and Adware.SwiftBrowse.AQ. The detection rate for the BatBrowse files collected here is 29%. Please read on for more details.
You will typically notice BatBrowse 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 additional details from the BatBrowse certificate with the following procedure:
- Open up Windows Explorer and locate the BatBrowse file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file signed by BatBrowse:
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 BatBrowse and that no one has tampered with the file.
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, and so on. You can also view the address for BatBrowse, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the BatBrowse certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
BatBrowse Files
The following are the BatBrowse files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/42 | BatBrowsebho.dll |
| 34/57 | maintainer.exe |
| 18/55 | updateBatBrowse.exe |
| 19/55 | {0ee3bff7-ab78-46bb-b639-55e3b7afd0ca}t.sys |
| 0/50 | wstlib64.sys |
Scanner and Detection Names
Here's the detection names for the BatBrowse files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.BrowseFox.BJ, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
| AVG | Generic6.DAP, Generic.AFC, Generic.948 |
| AVware | Yontoo (fs), Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.BrowseFox.BJ, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
| Agnitum | Riskware.Agent! |
| AhnLab-V3 | Adware/Win32.SwiftBrowse |
| Antiy-AVL | GrayWare[AdWare:not-a-virus]/Win32.Yotoon.bfm |
| Avast | Win32:Adware-BYZ [PUP], Win32:BrowseFox-CZ [PUP], Win32:BrowseFox-GE [PUP] |
| Avira | ADWARE/BrowseFox.Gen7, APPL/BrowseFox.sgo, Adware/BrowseFox.A.15 |
| Baidu-International | Adware.Win32.BrowseFox.BV, Adware.Win32.BrowseFox.G |
| BitDefender | Adware.BrowseFox.BJ, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
| CAT-QuickHeal | AdWare.Yotoon.A5 |
| ClamAV | Win.Adware.Agent-22685, Win.Adware.Netfilter-130 |
| Comodo | Application.Win32.BrowseFox.B, TrojWare.Win32.AltBrowse.IZZV |
| DrWeb | Trojan.BPlug.281, Adware.Plugin.100 |
| ESET-NOD32 | a variant of Win32/BrowseFox.F, Win32/BrowseFox.V potentially unwanted, a variant of Win32/BrowseFox.G |
| Emsisoft | Adware.BrowseFox.BJ (B), Adware.NetFilter.J (B) |
| F-Prot | W32/A-de841313!Eldorado, W32/A-b3b70cb0!Eldorado |
| F-Secure | Adware.BrowseFox.BJ, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
| GData | Adware.BrowseFox.BJ, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
| Ikarus | AdWare.SwiftBrowse |
| Jiangmin | AdWare/Yotoon.ap, AdWare/Yotoon.kn |
| K7AntiVirus | Trojan ( 004af26b1 ) |
| K7GW | Trojan ( 004af26b1 ) |
| Kaspersky | not-a-virus:AdWare.Win32.Yotoon.bfm |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes | PUP.Optional.BatBrowse.A, PUP.Optional.SwiftBrowse |
| McAfee | BrowseFox-FTR |
| McAfee-GW-Edition | BrowseFox-FTR, BehavesLike.Win32.Dropper.kh |
| MicroWorld-eScan | Adware.BrowseFox.BJ, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
| NANO-Antivirus | Riskware.Win32.Kranet.dgiwfc |
| SUPERAntiSpyware | Adware.SwiftBrowse |
| Sophos | Browse Fox |
| TrendMicro | ADW_BHO |
| TrendMicro-HouseCall | ADW_BHO |
| VBA32 | AdWare.Yotoon |
| VIPRE | Yontoo (fs), Trojan.Win32.Generic!BT |
| Zillya | Adware.Kranet.Win32.476, Adware.Yotoon.Win64.10 |
| nProtect | Trojan-Clicker/W32.Yotoon.123632, Adware.SwiftBrowse.AQ, Adware.NetFilter.J |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've collected 259 scan reports for the BatBrowse files. 76 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 has been done on certificates with the following serial numbers:
- 3f7dcc78325fb87f0edab32a56dd2a54
- 7b924a2b6070d6bcb80f8e2bad7ff932