Yoshi Technology - 58% Detection Rate *
Did you just stumble upon a download or a file on your computer that has a digital signature from Yoshi Technology? Some of the security products refers to the detected files as Adware.SwiftBrowse.CH and Trojan.Yontoo.1735. The detection rate for the Yoshi Technology files collected here is 58%. Please read on for more details.
You will typically notice Yoshi Technology 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 Yoshi Technology with the following procedure:
- Open up Windows Explorer and locate the Yoshi Technology file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here's a screenshot of a file digitally signed by Yoshi Technology:
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 Yoshi Technology 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 examine the address for Yoshi Technology, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Yoshi Technology certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.
Yoshi Technology Files
The following are the Yoshi Technology files I've gathered, thanks to the FreeFixer users.
Scanner and Detection Names
Here's the detection names for the Yoshi Technology files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.SwiftBrowse.CH |
| AVG | WebFilter.AI, AdPlugin.DAI, AdPlugin.DIY |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547 |
| AegisLab | AdWare.MSIL.Agent, AdWare.Win64.Yotoon, AdWare.Win64.Yotoon.mf8s |
| Agnitum | Riskware.Agent! |
| AhnLab-V3 | PUP/Win32.BrowseFox |
| Antiy-AVL | RiskWare[RiskTool]/Win32.NetFilter.q, GrayWare[NetTool:not-a-virus]/Win64.NetFilter.a |
| Arcabit | Adware.SwiftBrowse.CH, PUP.Adware.BrowseFox |
| Avira | ADWARE/BrowseFox.A.28, ADWARE/BrowseFox.Gen2, ADWARE/BrowseFox.drc |
| Baidu | Win32.Trojan.WisdomEyes.151026.9950.9967, Win32.Trojan.WisdomEyes.151026.9950.9983 |
| BitDefender | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547 |
| Bkav | W32.BrowseFoxAC.Adware, W64.HfsAdware.4602 |
| CAT-QuickHeal | PUA.BrowseFox.OL6 |
| ClamAV | Win.Adware.Netfilter-130, Win.Adware.Swiftbrowse-497, Win.Adware.Agent-46372, Win.Adware.Swiftbrowse-513 |
| Comodo | TrojWare.Win32.AltBrowse.IZZV, Application.Win32.BrowseFox.AKP |
| Cyren | W32/A-b3b70cb0!Eldorado, W64/A-59c9c70a!Eldorado, W32/S-0ad7b894!Eldorado |
| DrWeb | Trojan.Yontoo.1735 |
| ESET-NOD32 | a variant of Win32/NetFilter.A potentially unsafe, a variant of Win64/NetFilter.A potentially unsafe, a variant of Win32/BrowseFox.AE potentially unwanted |
| Emsisoft | Adware.SwiftBrowse.CH (B), Gen:Variant.Adware.Mikey.11547 (B) |
| F-Prot | W32/A-b3b70cb0!Eldorado, W64/A-59c9c70a!Eldorado, W32/S-0ad7b894!Eldorado |
| F-Secure | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey |
| Fortinet | W64/NetFilter.A |
| GData | Win32.Riskware.Netfilter.A, Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547 |
| Ikarus | not-a-virus:RiskTool.NetFilter, PUA.BrowseFox |
| Jiangmin | AdWare/SwiftBrowse.diq |
| K7AntiVirus | Adware ( 0040f9f21 ), Adware ( 004b8df51 ) |
| K7GW | Adware ( 0040f9f21 ), Adware ( 004b8df51 ) |
| Kaspersky | not-a-virus:RiskTool.Win32.NetFilter.q, not-a-virus:NetTool.Win64.NetFilter.k |
| Malwarebytes | PUP.Optional.BrowseFox |
| McAfee | Artemis!7AE360105940 |
| McAfee-GW-Edition | BehavesLike.Win64.PUPAmonetize.ph |
| MicroWorld-eScan | Adware.SwiftBrowse.CH, Gen:Variant.Adware.Mikey.11547 |
| NANO-Antivirus | Riskware.Win32.NetFilter.dgqvkd, Trojan.Win32.Yontoo.dnkubo, Trojan.Win64.Yontoo.eaujbs, Trojan.Win64.Yontoo.ebuqxc |
| Panda | Generic Suspicious |
| Qihoo-360 | QVM00.1.Malware.Gen, HEUR/QVM30.1.Malware.Gen |
| Rising | PE:Malware.Generic(Thunder)!1.A1C4 [F] |
| SUPERAntiSpyware | PUP.AirGlobe/Variant, Adware.SwiftBrowse/Variant, Adware.BrowseFox/Variant |
| Sophos | Browse Fox (PUA) |
| Tencent | Win32.Risk.Adware.Pftp, Win32.Risk.Adware.Alst, Win32.Risk.Adware.Eckr, Win32.Risk.Adware.Swuf, Win32.Risk.Adware.Hssu |
| TrendMicro | PUA_BROWSEFOX |
| TrendMicro-HouseCall | PUA_BROWSEFOX |
| VBA32 | AdWare.Yotoon, AdWare.MSIL.Agent |
| VIPRE | Trojan.Win32.Generic!BT |
| Yandex | Riskware.Agent! |
| Zillya | Adware.Yotoon.Win64.10, Adware.Yotoon.Win64.14, Adware.BrowseFox.Win32.3625 |
| nProtect | Adware.SwiftBrowse.CH |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 391 scan reports for the Yoshi Technology files. 228 of these scan results came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
Analysis Details
The analysis is done on certificates with the following serial numbers:
- 105919222e924ee14fa447bf6c91be1c