Fuyuan Zhou - 12% Detection Rate *
Did you just run into a download or a file on your computer that is digitally signed by Fuyuan Zhou? Some of the security products refers to the detected files as Gen:Variant.Adware.Ghoskwa.1 and Gen:Application.Elex.1. The detection rate for the Fuyuan Zhou files collected here is 12%. Please read on for more details.
You will probably see Fuyuan Zhou when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view additional details from the Fuyuan Zhou certificate with the following procedure:
- Open up Windows Explorer and locate the Fuyuan Zhou file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file that has been signed by Fuyuan Zhou:
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 Fuyuan Zhou 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, and so on. You can also examine the address for Fuyuan Zhou, such as the street name, city and country.
DigiCert SHA2 Assured ID Code Signing CA and thawte SHA256 Code Signing CA has issued the Fuyuan Zhou certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.
Fuyuan Zhou Files
These are the Fuyuan Zhou files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/57 | obw_omniboxes[1].exe |
| 12/57 | wpc_mystartsearch.exe |
| 11/56 | chrome.exe |
| 10/56 | chrome.exe |
Scanner and Detection Names
Here is the detection names for the Fuyuan Zhou files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Gen:Variant.Adware.Ghoskwa.1 |
| AVG | Generic.246 |
| AVware | BehavesLike.Win32.Malware.sfd (mx-v) |
| Ad-Aware | Gen:Application.Elex.1, Gen:Variant.Adware.Ghoskwa.1 |
| AegisLab | Gen.Variant.Adware!c |
| Agnitum | PUA.Mutabaha! |
| AhnLab-V3 | PUP/Win32.SearchHijacker |
| Arcabit | Trojan.Adware.Ghoskwa.1 |
| BitDefender | Gen:Application.Elex.1, Gen:Variant.Adware.Ghoskwa.1 |
| DrWeb | Adware.Mutabaha.98 |
| Emsisoft | Gen:Variant.Adware.Ghoskwa.1 (B) |
| F-Secure | Gen:Application.Elex.1, Gen:Variant.Adware.Ghoskwa |
| GData | Gen:Application.Elex.1, Gen:Variant.Adware.Ghoskwa.1 |
| Malwarebytes | PUP.Optional.Ghokswa |
| MicroWorld-eScan | Gen:Application.Elex.1, Gen:Variant.Adware.Ghoskwa.1 |
| Qihoo-360 | Win32/Application.33e, Win32/Trojan.adware.289 |
| Sophos | Elex |
| VIPRE | BehavesLike.Win32.Malware.sfd (mx-v) |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 282 scan results for the Fuyuan Zhou files. 34 of these scan reports came up with some sort of detection. You can view 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:
- 0b378a1487e66949a44c8cae23820481
- 31813be26ce4cfcd461fed27ac9b5d68