Did you just stumble upon a download or a file on your computer that has a digital signature from ?????????????? Some of the security products refers to the detected files as Trojan.GenericKD.2239391 and Trj/CI.A. The detection rate for the ????????????? files collected here is 30%. Please read on for more details.
You will probably notice ????????????? 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 ????????????? certificate with the following steps:
Here is a screenshot of a file digitally signed by ?????????????:

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 ????????????? 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 view the address for ?????????????, such as the street name, city and country.
WoSign Class 3 Code Signing CA, WoSign Class 3 Code Signing CA G2, Symantec Class 3 SHA256 Code Signing CA and VeriSign Class 3 Code Signing 2010 CA has issued the ????????????? certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the ????????????? files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 28/55 | xiaoxin.exe |
| 24/56 | setup_ys1212.exe |
| 41/57 | lbwp_spdup0313.exe |
| 10/59 | wiel_work.exe |
| 10/66 | xy.exe |
| 33/68 | zmb_tdx.exe |
| 25/70 | byeo_woir.exe |
| 29/69 | dwqh_wewq.exe |
| 0/54 | usbmonitorprotect64.sys |
| 0/54 | iZHost.exe |
Here's the detection names for the ????????????? files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Trojan.GenericKD.2239391 |
| AVG | Optimizer.B, Generic38.AZWZ, Win32:Malware-gen, FileRepMetagen [PUP] |
| AVware | Trojan.Win32.Generic!BT, Trojan.Win32.Generic!SB.0, Adware.Win32.Wews87 |
| Ad-Aware | Trojan.GenericKD.2239391 |
| AegisLab | Troj.Downloader.W32.Adload.efgf!c |
| Agnitum | PUA.Agent!, Trojan.Rogue!ymZC6B5neIo |
| AhnLab-V3 | Trojan/Win32.Adload, PUP/RL.Generic.R248130 |
| Antiy-AVL | Trojan[Downloader]/Win32.Adload.efgf, Trojan/Win32.Zpevdo |
| Arcabit | Trojan.Generic.D222B9F |
| Avast | Win32:Malware-gen |
| Avira | ADWARE/WDJiange.3370512, ADWARE/Agent.2590520, TR/Dldr.Waski.2594944, WORM/Agent.cbnpc, TR/BAS.Samca.12521668, HEUR/AGEN.1036367 |
| Baidu-International | Adware.Win32.Agent.izjh, Trojan.Win32.Generik.cc |
| BitDefender | Trojan.GenericKD.2239391 |
| Bkav | W32.HfsAdware.EB59 |
| CAT-QuickHeal | AdWare.Agent.g8 (Not a Virus), TrojanDownloader.Adload.ga, Trojan.IGENERIC, Application.Agent.ZZ5 |
| ClamAV | Win.Trojan.14687943 |
| Comodo | UnclassifiedMalware, TrojWare.Win32.Injector.BMPM, Application.Win32.Wews87.E, Application.Win32.Wews87.E@7mby71, Malware@#bimj9npitflx |
| CrowdStrike | malicious_confidence_63% (D), malicious_confidence_80% (D), malicious_confidence_60% (D) |
| Cybereason | malicious.9fc018 |
| Cylance | Unsafe |
| Cyren | W32/Adware.ATGS-1830, W32/Trojan.ZGCH-7813, W32/GenPua.064E1A89!Olympus, W32/GenBl.74786199!Olympus, W32/Trojan.RMVA-2996 |
| DrWeb | Adware.WDJiange.1 |
| ESET-NOD32 | a variant of Generik.FNABFEX, a variant of Win32/Wews87.B potentially unwanted, a variant of Win32/Wews87.A potentially unwanted |
| Emsisoft | Trojan.GenericKD.2239391 (B) |
| Endgame | malicious (moderate confidence), malicious (high confidence) |
| F-Prot | W32/Trojan5.MDF |
| F-Secure | Trojan.GenericKD.2239391, Heuristic.HEUR/AGEN.1036367 |
| Fortinet | W32/GenericR.DTS!tr, Adware/Agent, W32/Adload.EFGF!tr.dldr, Riskware/Wews87 |
| GData | Win32.Application.Agent.Z24ZY4, Trojan.GenericKD.2239391, Win32.Trojan.Agent.A26VSQ |
| Ikarus | AdWare.BundleApp, not-a-virus:AdWare.Agent, PUA.Wews87 |
| Invincea | heuristic |
| Jiangmin | TrojanDownloader.Adload.weg, TrojanDownloader.Adload.slk |
| K7AntiVirus | Riskware ( 0040eff71 ), Trojan ( 004bd1141 ), Unwanted-Program ( 0050eb4a1 ), Adware ( 004fef751 ) |
| K7GW | Riskware ( 0040eff71 ), Trojan ( 004bd1141 ), Unwanted-Program ( 0050eb4a1 ), Adware ( 004fef751 ) |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.izjh, not-a-virus:HEUR:AdWare.Win32.Agent.gen, not-a-virus:AdWare.Win32.Wews87.coj |
| MAX | malware (ai score=94), malware (ai score=99) |
| Malwarebytes | PUP.Optional.ChinAd |
| McAfee | Artemis!27329BA75F95, Artemis!55951901E7F8, Artemis!2D7BA3A44CB7, Artemis!737436815EBC, Artemis!DC701682DB9D, Artemis!064E1A89FC01, Artemis!74786199371C, Artemis!D94BB918E1EC |
| McAfee-GW-Edition | GenericR-DTS!67C87CE72ADF, MultiDropper-JD, Artemis!PUP, Artemis, BehavesLike.Win32.Wplugin.tc |
| MicroWorld-eScan | Trojan.GenericKD.2239391 |
| Microsoft | PUA:Win32/News, PUA:Win32/GameBox |
| NANO-Antivirus | Riskware.Win32.Agent.dvaxil, Riskware.Win32.Agent.dysqxv, Riskware.Win32.Wews87.eqkpko, Trojan.Win32.Wews87.enpuct |
| Panda | Trj/CI.A |
| Rising | PUA.GameBox!8.12B2 (CLOUD) |
| SentinelOne | static engine - malicious |
| Sophos | Generic PUA GG (PUA), Mal/Generic-S, Generic PUA DG (PUA), Generic PUA IC (PUA), Generic PUA CD (PUA) |
| Symantec | Trojan.Gen.2, SecurityRisk.Downldr, ML.Attribute.HighConfidence, SMG.Heur!gen |
| Tencent | Win32.Trojan.Falsesign.Hpru, Win32.Trojan.Falsesign.Swbd, Win32.Adware.Agent.Htmp, Win32.Adware.Wews87.Dva, Win32.Adware.Agent.Aguy, Win32.Adware.Wews87.Wrgl |
| TrendMicro | TROJ_GEN.R0E9C0OFJ15, TROJ_GEN.R047C0PHO15, TROJ_GEN.R08NC0ECM15, TROJ_GEN.R060C0OKN18 |
| TrendMicro-HouseCall | Suspici.F3C24B38, TROJ_GEN.R002H07AO19, TROJ_GEN.R060C0OKN18 |
| VBA32 | AdWare.Agent, BScope.Trojan-Downloader.Lipler.045, Trojan-Ransom.Birele, Adware.Agent, Adware.Wews |
| VIPRE | Trojan.Win32.Generic!BT, Trojan.Win32.Generic!SB.0, Adware.Win32.Wews87 |
| ViRobot | Trojan.Win32.S.Agent.2594944.A[h], Worm.Win32.Z.Lipler.1603528, Adware.Wews87.896384 |
| Webroot | W32.Trojan.Gen, W32.Adware.Gen |
| Yandex | Trojan.DL.Adload!cJ4jN90Mn9I |
| Zillya | Downloader.Adload.Win32.19638, Downloader.Adload.Win32.19200, Adware.Wews87CRTD.Win32.11248 |
| ZoneAlarm | not-a-virus:HEUR:AdWare.Win32.Agent.gen, not-a-virus:AdWare.Win32.Wews87.coj |
| nProtect | Trojan.GenericKD.2239391 |
The detection percentage is based on the fact that I've collected 997 scan reports for the ????????????? files. 300 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 is done on certificates with the following serial numbers: