Did you just stumble upon a download or a file on your computer that has a digital signature from Yuxin WANG? Some of the security products refers to the detected files as Application.Elex.M and Adware ( 004cf8191 ). The detection rate for the Yuxin WANG files collected here is 22%. Please read on for more details.
You'll probably notice Yuxin WANG when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the Yuxin WANG certificate with the following steps:
Here is a screenshot of a file that has been signed by Yuxin WANG:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Yuxin WANG 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 view the address for Yuxin WANG, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the Yuxin WANG certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the Yuxin WANG files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 18/55 | cmi_mystartsearch[1].exe |
| 6/56 | amt_mysites123.exe |
| 13/55 | obw_istartsurf[1].exe |
Here's the detection names for the Yuxin WANG files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVware | Trojan.Win32.Generic!BT |
| Agnitum | Riskware.Agent! |
| Arcabit | Application.Elex.M |
| Baidu-International | Adware.Win32.ELEX.ep, Adware.Win32.ELEX.FC, Adware.Win32.ELEX.FG |
| BitDefender | Application.Elex.M |
| DrWeb | Adware.Mutabaha.837, Adware.Mutabaha.877, Adware.Mutabaha.825 |
| ESET-NOD32 | a variant of Win32/ELEX.EC potentially unwanted, a variant of Win32/ELEX.FC potentially unwanted, a variant of Win32/ELEX.FG potentially unwanted |
| F-Secure | Application.Elex.M |
| Fortinet | Riskware/Elex |
| GData | Application.Elex.M, Win32.Application.IStartSurf.A |
| Ikarus | AdWare.Elex |
| Jiangmin | Adware/MySearch.ce |
| K7AntiVirus | Adware ( 004cf30f1 ), Adware ( 004cf8191 ) |
| K7GW | Adware ( 004cf30f1 ), Adware ( 004cf8191 ) |
| Kaspersky | not-a-virus:AdWare.Win32.ELEX.ep |
| Malwarebytes | PUP.Optional.MyStartSearch.ShrtCln, PUP.Optional.MySites, PUP.Optional.IStartSurf.ShrtCln |
| MicroWorld-eScan | Application.Elex.M |
| NANO-Antivirus | Riskware.Win32.Mutabaha.dxudgr |
| Panda | Trj/Genetic.gen |
| Qihoo-360 | QVM10.1.Malware.Gen, HEUR/QVM10.1.Malware.Gen |
| SUPERAntiSpyware | PUP.Elex/Variant, PUP.MyStartSearch/Variant |
| VIPRE | Trojan.Win32.Generic!BT |
| Zillya | Downloader.ELEX.Win32.1, Adware.ELEX.Win32.3 |
The detection percentage is based on the fact that I've collected 166 scan reports for the Yuxin WANG files. 37 of these scan results 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.
The analysis has been done on certificates with the following serial numbers: