focusbase - 27% Detection Rate *
Did you just run into a download or a file on your computer that has a digital signature from focusbase? Some of the security products refers to the detected files as Focusbase.C90 and Adware/BrowserFox. The detection rate for the focusbase files collected here is 27%. Please read on for more details.
You will typically see focusbase when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:
You can also view the focusbase certificate with the following procedure:
- Open Windows Explorer and locate the focusbase file
- Right-click on the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file that has been digitally signed by focusbase:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by focusbase 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 focusbase, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the focusbase certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
focusbase Files
The following are the focusbase files I've gathered, thanks to the FreeFixer users.
Scanner and Detection Names
Here's the detection names for the focusbase files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | BrowseFox.F, Focusbase.C90 |
| AVware | Yontoo (fs), Trojan.Win32.Generic!BT, Adware.SwiftBrowse |
| Ad-Aware | Gen:Variant.Adware.BHO.Agent.4, Adware.Mplug.DC |
| Agnitum | PUA.Yotoon!, Trojan.BPlug!, PUA.Agent!, Riskware.Agent! |
| AntiVir | APPL/BrowseFox.Gen2 |
| Antiy-AVL | GrayWare[AdWare:not-a-virus,HEUR]/MSIL.Kranet, GrayWare[AdWare:not-a-virus]/Win32.Agent |
| Baidu-International | Adware.Win32.BrowseFox.focu, Adware.Win32.BrowseFox.bO |
| BitDefender | Gen:Variant.Adware.BHO.Agent.4, Adware.Mplug.DC |
| ClamAV | Win.Adware.Swiftbrowse-79, Win.Adware.Swiftbrowse-8 |
| Comodo | Application.Win32.Altbrowse.AK, TrojWare.Win32.AltBrowse.IZZV |
| DrWeb | Trojan.BPlug.17, Trojan.BPlug.123, Trojan.BPlug.141, Trojan.BPlug.117 |
| ESET-NOD32 | a variant of Win32/BrowseFox.F, a variant of Win32/BrowseFox.H, a variant of Win64/BrowseFox.R, a variant of Win32/BrowseFox.O |
| Emsisoft | Gen:Variant.Adware.BHO.Agent.4 (B), Adware.Mplug.DC (B) |
| F-Prot | W32/A-dd00b781!Eldorado, W64/A-7883d091!Eldorado |
| F-Secure | Gen:Variant.Adware.BHO.Agent.4, Adware.Mplug.DC |
| Fortinet | Adware/Agent |
| GData | Gen:Variant.Adware.BHO.Agent.4, Adware.Mplug.DC |
| Ikarus | not-a-virus:AdWare.Win32.Agent, PUA.BrowseFox, AdWare.SpadeCast |
| Jiangmin | AdWare/Yotoon.l, AdWare/Yotoon.m |
| K7AntiVirus | Unwanted-Program ( 00454f261 ) |
| K7GW | Trojan ( 050000001 ) |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.ahbx, not-a-virus:HEUR:AdWare.MSIL.Kranet.heur |
| Kingsoft | Win32.Troj.Agent.ah.(kcloud), Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes | PUP.Optional.FocusBase.A |
| McAfee | Artemis!727802C73DBF, Artemis!27FD31B7E7DF, Artemis!57493352C11F, Artemis!943AFB13EB84, Artemis!76D05886FD97, Artemis!DD786C38247C |
| McAfee-GW-Edition | Artemis, Artemis!57493352C11F, Artemis!76D05886FD97, BehavesLike.Win64.Suspicious.qh, Artemis!DD786C38247C |
| MicroWorld-eScan | Gen:Variant.Adware.BHO.Agent.4 |
| NANO-Antivirus | Riskware.Win32.Agent.crkvek, Riskware.Win32.Yotoon.ddghtt, Trojan.Win32.BPlug.dcxxfx |
| Panda | Trj/Chgt.D, Adware/BrowserFox, Trj/CI.A |
| Qihoo-360 | Win32/Virus.Adware.e4c, HEUR/Malware.QVM30.Gen |
| SUPERAntiSpyware | Adware.BrowseFox/Variant |
| Sophos | Generic PUA IE, BrowseSmart, Generic PUA MB, Generic PUA KL |
| Symantec | Yontoo.C |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0826, Suspicious_GEN.F47V0706, Suspicious_GEN.F47V0724, Suspicious_GEN.F47V0730, Suspicious_GEN.F47V0812, Suspicious_GEN.F47V0621, Suspicious_GEN.F47V0627 |
| VBA32 | AdWare.Win64.Yotoon |
| VIPRE | Yontoo (fs), Trojan.Win32.Generic!BT, Adware.SwiftBrowse |
| Zillya | Adware.Agent.Win32.9068, Adware.Yotoon.Win64.1, Adware.Yotoon.Win64.3 |
| nProtect | Trojan-Clicker/W32.Agent.249632.B |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 1083 scan reports for the focusbase files. 295 of these scan results came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
Analysis Details
The analysis has been done on certificates with the following serial numbers:
- 229be95afaf17766126629cc0a897c5f