Wang Nan - 23% Detection Rate *
Did you just run into a download or a file on your computer that has a digital signature from Wang Nan? Some of the security products refers to the detected files as Gen:Variant.Kazy.559232 and Trojan.Win32.Generic!BT. The detection rate for the Wang Nan files collected here is 23%. Please read on for more details.
You'll typically see Wang Nan when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can also view the Wang Nan certificate with the following steps:
- Open up Windows Explorer and locate the Wang Nan file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here's a screengrab of a file signed by Wang Nan:
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 Wang Nan and that no one has tampered with the file.
If you click the View Certificate button shown in the screencap 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 view the address for Wang Nan, such as the street name, city and country.
WoSign Class 2 Code Signing CA has issued the Wang Nan certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Wang Nan Files
The following are the Wang Nan files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 27/57 | ntsvc.exe |
| 7/57 | Worker.dll |
| 30/56 | Bnd_101_392_2015417_1819.exe |
| 0/57 | ntsvc.exe |
| 0/55 | ntsvc.exe |
Scanner and Detection Names
Here is the detection names for the Wang Nan files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Gen:Variant.Kazy.559232 |
| AVG | Generic.825, Generic6.AKTG |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Gen:Variant.Kazy.559232, Gen:Variant.Adware.Kazy.648630 |
| Agnitum | Trojan.Badur! |
| Antiy-AVL | Trojan/Win32.BTSGeneric |
| Avast | Win32:Evo-gen [Susp] |
| Avira | ADWARE/Navegaki.388072, ADWARE/Navegaki.441384.2 |
| Baidu-International | Adware.Win32.Navegaki.AC, Adware.Win32.Navegaki.AB |
| BitDefender | Gen:Variant.Kazy.559232, Gen:Variant.Adware.Kazy.648630 |
| Bkav | W32.HfsAdware.236B |
| Comodo | ApplicUnwnt |
| Cyren | W32/Adware.LIUV-6181 |
| ESET-NOD32 | a variant of Win32/Adware.Navegaki.AC, Win32/Adware.Navegaki.AC, a variant of Win32/Adware.Navegaki.AB |
| Emsisoft | Gen:Variant.Kazy.559232 (B), Gen:Variant.Adware.Kazy.648630 (B) |
| F-Secure | Gen:Variant.Kazy.559232 |
| Fortinet | Riskware/Navegaki |
| GData | Gen:Variant.Kazy.559232, Gen:Variant.Adware.Kazy.648630 |
| Ikarus | AdWare.Navegaki |
| Jiangmin | TrojanDownloader.Agent.fpcg, Trojan/Badur.thk |
| K7AntiVirus | Adware ( 004c23a21 ), Riskware ( 0040eff71 ) |
| K7GW | Adware ( 004c23a21 ), Riskware ( 0040eff71 ) |
| McAfee | Artemis!BB7948F74D11, Artemis!4721CF2B9E12 |
| McAfee-GW-Edition | Artemis!PUP, Artemis |
| MicroWorld-eScan | Gen:Variant.Kazy.559232, Gen:Variant.Adware.Kazy.648630 |
| NANO-Antivirus | Trojan.Win32.Badur.drctvn |
| Panda | Trj/CI.A |
| Rising | PE:Worm.Rebhip!1.64F0 |
| SUPERAntiSpyware | PUP.Navegaki/Variant |
| Sophos | Navegaki (PUA) |
| Symantec | Trojan.Startpage, Trojan.Gen.2 |
| Tencent | Win32.Risk.Adware.Phgj, Win32.Risk.Adware.Pbfd |
| TrendMicro | TROJ_GEN.R000C0EEM15, TROJ_GEN.R02PC0OE115 |
| TrendMicro-HouseCall | TROJ_GEN.R000C0EEM15 |
| VIPRE | Trojan.Win32.Generic!BT |
| Zillya | Adware.Navegaki.Win32.4 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 282 scan reports for the Wang Nan files. 64 of these scan reports came up with some sort of detection. If you like, you can review 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:
- 2d2175d57fab801cd9a1a92de079f0ea