Webporpoise - 27% Detection Rate *
Did you just find a download or a file on your computer that has a digital signature from Webporpoise? Some of the security products refers to the detected files as Adware.Mplug.DC and W32/A-c99f2d8b!Eldorado. The detection rate for the Webporpoise files collected here is 27%. Please read on for more details.
You will probably notice Webporpoise when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screencap shows:
You can also view the Webporpoise certificate with the following procedure:
- Open up Windows Explorer and locate the Webporpoise file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here's a screengrab of a file signed by Webporpoise:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Webporpoise and that the file has not been tampered with.
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, etc. You can also see the address for Webporpoise, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Webporpoise certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Webporpoise Files
The following are the Webporpoise files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 10/54 | updatewebporpoise.exe |
| 32/56 | {572f484b-455f-44b0-9d6a-da3ad2071365}w.sys |
| 2/52 | {572f484b-455f-44b0-9d6a-da3ad2071365}gw64.sys |
Scanner and Detection Names
Here is the detection names for the Webporpoise files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.Mplug.DC |
| AVG | Wepor, AdPlugin.CXA |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.Mplug.DC |
| Agnitum | PUA.Yotoon! |
| Antiy-AVL | Trojan/Win32.TSGeneric, GrayWare[AdWare]/Win32.Yotoon.tkt |
| Arcabit | Adware.Mplug.DC |
| Avast | MSIL:BrowseFox-BX [PUP] |
| Baidu-International | Adware.Win32.BrowseFox.BH, Adware.Win32.BrowseFox.D |
| BitDefender | Adware.Mplug.DC |
| Bkav | W32.HfsAdware.C465 |
| ClamAV | Win.Adware.Swiftbrowse-79 |
| Comodo | TrojWare.Win32.AltBrowse.IZZV |
| Cyren | W32/A-c99f2d8b!Eldorado |
| DrWeb | Trojan.Yontoo.1734 |
| ESET-NOD32 | a variant of Win32/BrowseFox.H, a variant of Win32/NetFilter.A potentially unsafe |
| Emsisoft | Adware.Mplug.DC (B) |
| F-Prot | W32/A-c99f2d8b!Eldorado |
| F-Secure | Adware.Mplug.DC |
| GData | Adware.Mplug.DC |
| Jiangmin | AdWare/Yotoon.l |
| Malwarebytes | PUP.Optional.Webporpoise.A |
| McAfee | Artemis!C68C35D29881, Artemis!2686AA1C4771 |
| McAfee-GW-Edition | Artemis!C68C35D29881, Artemis |
| MicroWorld-eScan | Adware.Mplug.DC |
| NANO-Antivirus | Riskware.Win32.Yotoon.ddghtt |
| Qihoo-360 | HEUR/Malware.QVM03.Gen, HEUR/QVM00.1.Malware.Gen |
| SUPERAntiSpyware | Adware.Yontoo/Variant |
| Sophos | BrowseSmart |
| Symantec | PUA.Yontoo.C |
| TrendMicro-HouseCall | TROJ_GEN.F47V0607 |
| VBA32 | AdWare.Win64.Yotoon |
| VIPRE | Yontoo (fs), Trojan.Win32.Generic!BT |
| Zillya | Adware.Yotoon.Win64.1 |
| nProtect | Adware.Mplug.DC |
* How the Detection Percentage is Calculated
The detection percentage is based on that I have gathered 162 scan reports for the Webporpoise files. 44 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis is done on certificates with the following serial numbers:
- 77e73438e8db62cbb923965c646e769f