Did you just find a download or a file on your computer that has been digitally signed by POSVAN KOREA? Some of the security products refers to the detected files as Gen:Variant.Zusy.3785 and W32/Zusy.B.gen!Eldorado. The detection rate for the POSVAN KOREA files collected here is 81%. Please read on for more details.
You will typically see POSVAN KOREA when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for POSVAN KOREA with the following steps:
Here's a screenshot of a file that has been digitally signed by POSVAN KOREA:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by POSVAN KOREA and that no one has tampered with the file.
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 see the address for POSVAN KOREA, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the POSVAN KOREA certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the POSVAN KOREA files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 46/57 | protecton^2010.exe |
Here's the detection names for the POSVAN KOREA files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic5.AVQ |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Gen:Variant.Zusy.3785 |
| AegisLab | Troj.FakeAV.W32.Vaccine.af!c |
| Antiy-AVL | Trojan/Win32.SGeneric |
| Arcabit | Application.Generic.D62D93 |
| Avast | Win32:PUP-gen [PUP] |
| Avira | TR/FakeAV.asd |
| Baidu-International | Adware.Win32.VirusCure.AF |
| BitDefender | Gen:Variant.Zusy.3785 |
| CAT-QuickHeal | TrojanFakeAV.Vaccine.r5 |
| ClamAV | Win.Trojan.Graftor-1742 |
| Comodo | UnclassifiedMalware |
| Cyren | W32/Zusy.B.gen!Eldorado |
| DrWeb | Trojan.Fakealert.origin |
| ESET-NOD32 | a variant of Win32/Adware.Kraddare.M |
| Emsisoft | Gen:Variant.Zusy.3785 (B) |
| F-Prot | W32/Zusy.B.gen!Eldorado |
| F-Secure | Application.Generic.570085 |
| Fortinet | Riskware/Kraddare |
| GData | Gen:Variant.Zusy.3785 |
| Ikarus | Win32.SuspectCrc |
| Jiangmin | Trojan/Fakeav.bmnl |
| K7AntiVirus | Adware ( 004c479e1 ) |
| K7GW | Adware ( 004c479e1 ) |
| Kaspersky | Trojan-FakeAV.Win32.Vaccine.af |
| Kingsoft | Win32.Troj.Generic.(kcloud) |
| Malwarebytes | Rogue.EBizNetwork |
| McAfee | Artemis!C11EFB696E5F |
| McAfee-GW-Edition | BehavesLike.Win32.FakeAlert.vc |
| MicroWorld-eScan | Gen:Variant.Zusy.3785 |
| Microsoft | Rogue:Win32/Vakcune |
| NANO-Antivirus | Trojan.Win32.Fakealert.prcnw |
| Panda | Trj/CI.A |
| Qihoo-360 | HEUR/QVM42.1.Malware.Gen |
| Rising | PE:Malware.Generic/QRS!1.9E2D [F] |
| Sophos | Generic PUA PH (PUA) |
| Symantec | Trojan.FakeAV |
| Tencent | Win32.Trojan.Falsesign.Sudq |
| TotalDefense | Win32/Tnega.XMTQKN |
| TrendMicro | ADW_OPTIMIZER |
| TrendMicro-HouseCall | ADW_OPTIMIZER |
| VBA32 | TrojanFakeAV.Vaccine |
| VIPRE | Trojan.Win32.Generic!BT |
| Yandex | Riskware.Adware!M1pzTAopU8w |
| Zillya | Trojan.FakeAV.Win32.316048 |
The detection percentage is based on the fact that I have collected 57 scan results for the POSVAN KOREA files. 46 of these scan results 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.
The analysis is based on certificates with the following serial numbers: