Did you just stumble upon a download or a file on your computer that has been digitally signed by ????????????? Some of the security products refers to the detected files as Generic.2EE and Trojan.Generic.14850570. The detection rate for the ???????????? files collected here is 26%. Please read on for more details.
You'll probably notice ???????????? 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 ???????????? with the following steps:
Here is a screenshot of a file that has been signed by ????????????:

As you can see in the screencap above, Windows reports 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 screengrab 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, and so on. You can also see the address for ????????????, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA, Thawte Code Signing CA - G2, WoSign Class 3 Code Signing CA and Thawte Code Signing CA has issued the ???????????? certificates. You can also see 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 |
|---|---|
| 3/54 | KZipShell.dll |
| 1/55 | tslog.exe |
| 3/57 | kuaizipdrive.sys |
| 2/55 | KZipShell.dll |
| 3/57 | kuaizipdrive.sys |
| 6/57 | kuaizipupdatechecker.dll |
| 38/56 | guagua_23103204850.exe |
| 7/60 | KZipShell.dll |
| 3/61 | kuaizipdrive.sys |
| 41/61 | ktpop3.exe |
| 28/43 | crsing.dll |
| 1/55 | tslog.exe |
| 5/56 | Update.exe |
| 2/57 | KZipShell.dll |
| 47/71 | mininews-3.exe |
| 1/56 | jyueservice.exe |
| 2/57 | Update.exe |
| 7/56 | setup_10002.exe |
| 0/56 | memudrv.sys |
| 0/56 | windroyeboxdrv.sys |
| 0/56 | auds.exe |
Here is 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.Generic.14850570, Gen:Variant.Adware.Tpop.1 |
| AVG | Generic.2EE, Generic_r.ATN, Agent3.BLK, Generic.4F7, FileRepMetagen [Adw] |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Trojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, Gen:Variant.Application.Strictor.172413 |
| AegisLab | Virus.Gen!c, Virus.Gen|2|102!c, Virus.E3F.Gen!c |
| Agnitum | Riskware.GuaGua! |
| AhnLab-V3 | Adware/Win32.PornTool, PUP/Win32.Amonetize.R196578, PUP/Win32.KuaiZip.C2722773 |
| Alibaba | AdWare:Win32/KuziTui.fccc3d7d |
| AntiVir | TR/Proxy.Gen |
| Antiy-AVL | GrayWare[Porn-Tool]/Win32.GuaGua.q, GrayWare[AdWare]/Win32.Agent, Trojan/Win32.Feiyo.gen, GrayWare[AdWare]/Win32.KuaiZip |
| Arcabit | Trojan.Generic.DE29A0A, Trojan.Adware.Tpop.1, Trojan.Application.Strictor.D2A17D |
| Avast | Win32:Adware-gen [Adw], Win32:Malware-gen |
| Avast5 | Win32:Malware-gen |
| Avira | TR/BAS.Dloader.izzgy, PUA/KuaiZip.Gen |
| BitDefender | Trojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, MemScan:Trojan.Generic.5835834, Gen:Variant.Application.Strictor.172413 |
| Bkav | W64.HfsAdware.C51A, W32.HfsAdware.C51A, W32.HfsAdware.4B8A, W32.HfsAdware.5D5A |
| CAT-QuickHeal | Porn-Tool.GuaGua.g4 (Not a Virus), Pua.Agent, Trojan.Mauvaise.SL1 |
| Commtouch | W32/StartPage.AB.gen!Eldorado |
| Comodo | UnclassifiedMalware, Application.Win32.KuaiZip.D, ApplicUnwnt@#152s52zzi2ztx |
| CrowdStrike | malicious_confidence_80% (D), win/malicious_confidence_100% (D) |
| Cybereason | malicious.254271 |
| Cylance | Unsafe |
| Cyren | W32/S-51653d07!Eldorado, W32/Adware.DCSH-0467, W32/S-13b12031!Eldorado |
| DrWeb | DLOADER.Trojan, Adware.Downware.9861, Trojan.DownLoader23.59620 |
| ESET-NOD32 | a variant of Win32/PornTool.GuaGua.A potentially unsafe, a variant of Win32/KuaiZip.D potentially unwanted, a variant of Win32/KuaiZip.B potentially unwanted, a variant of Win32/Bang5mai.A potentially unwanted, Win32/HongdaWanfang.A potentially unwanted |
| Emsisoft | Trojan.Generic.14850570 (B), Gen:Variant.Adware.Tpop.1 (B), Gen:Variant.Application.Strictor.172413 (B), Trojan.NSIS.Androm.8 (B) |
| Endgame | malicious (high confidence) |
| F-Prot | W32/S-51653d07!Eldorado, W32/StartPage.AB.gen!Eldorado, W32/S-13b12031!Eldorado |
| F-Secure | Trojan.Generic.14850570, Gen:Variant.Adware.Tpop, MemScan:Trojan.Generic.5835834, PotentialRisk.PUA/KuaiZip.Gen |
| FireEye | Generic.mg.1d84f67254271c84 |
| Fortinet | Riskware/PornTool_GuaGua, Riskware/KuaiZip, W32/Msock.AF!tr.bdr, W32/PossibleThreat |
| GData | Trojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, MemScan:Trojan.Generic.5835834, Gen:Variant.Application.Strictor.172413 |
| Ikarus | not-a-virus:Porn-Tool.Win32.GuaGua, Trojan-Proxy |
| Invincea | heuristic, trojan.win32.dorv.b!rfn |
| Jiangmin | Porn-Tool.GuaGua.c, RiskTool.KuaiZip.g, Adware.Agent.yit, Trojan/Agent.ewkn, AdWare.KuaiZip.bf |
| K7AntiVirus | Riskware ( 0040eff71 ), Unwanted-Program ( 004bae261 ), Unwanted-Program ( 004f96bc1 ), Riskware, Unwanted-Program ( 004e256d1 ), Adware ( 004f7e1c1 ) |
| K7GW | Riskware ( 0040eff71 ), Unwanted-Program ( 004bae261 ), Unwanted-Program ( 004f96bc1 ), Unwanted-Program ( 004e256d1 ), Adware ( 004f7e1c1 ) |
| Kaspersky | not-a-virus:Porn-Tool.Win32.GuaGua.q, not-a-virus:RiskTool.Win32.KuaiZip.a, not-a-virus:AdWare.Win32.Agent.xxdfaq, Trojan.Win32.Agent.huno, not-a-virus:HEUR:AdWare.Win32.KuziTui.gen |
| MAX | malware (ai score=99) |
| Malwarebytes | Trojan.Chad.GS, Adware.Kuaiba, PUP.Optional.ChinAd |
| McAfee | GenericR-DJK!93CD490F4FDD, Artemis!DF71EA80B6F4, Artemis!0E88F2B8A753, Adware-KZip |
| McAfee-GW-Edition | GenericR-DJK!93CD490F4FDD, Artemis!PUP, Artemis!0E88F2B8A753, Adware-KZip |
| MicroWorld-eScan | Trojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, Gen:Variant.Application.Strictor.172413 |
| Microsoft | PUA:Win32/KuaiZip |
| NANO-Antivirus | Riskware.Win32.Downware.dqvuno, Riskware.Win32.KuaiZip.fhvuuo |
| Norman | W32/Suspicious_Gen2.EPKBC |
| PCTools | Trojan.ADH |
| Panda | Trj/CI.A, Generic Trojan, Trj/Genetic.gen |
| Rising | Malware.Generic.5!tfe (thunder:5:PY3L1EIqerU) , PUF.KuaiZip!8.2F40 (CLOUD) |
| SUPERAntiSpyware | Adware.TPOP/Variant |
| SentinelOne | static engine - malicious, DFI - Malicious PE |
| Sophos | Generic PUA PF (PUA), Generic PUA DI (PUA), Generic PUA DP (PUA) |
| Symantec | Trojan.Gen.2, SecurityRisk.gen1, Trojan.ADH, ML.Attribute.HighConfidence |
| TheHacker | Trojan/Downloader.Feiyo.j |
| TotalDefense | Heur/TrojanHorse.ZCIH!suspicious |
| TrendMicro | TROJ_GEN.R0EBC0OF915, TROJ_GEN.R0C1C0VC417 |
| TrendMicro-HouseCall | TROJ_GEN.R0C1C0VC417 |
| VBA32 | AdWare.Agent, Trojan.Agent.huno, BScope.Downloader.KuziTui |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Adware.Tpop.1218456.A[h], Adware.Kuaizip.2625560.B |
| VirusBuster | Trojan.Agent!iVTlt0iPLno |
| Webroot | Malicious, W32.Adware.Gen |
| Yandex | PUA.Agent!, PUA.KuaiZip! |
| Zillya | Adware.Ocna.Win32.17284, Tool.GuaGua.Win32.3, Adware.Agent.Win32.127296, Adware.KuaiZip.Win32.55 |
| ZoneAlarm | not-a-virus:RiskTool.Win32.KuaiZip.a, not-a-virus:AdWare.Win32.Agent.xxdfaq, not-a-virus:HEUR:AdWare.Win32.KuziTui.gen |
| eGambit | Unsafe.AI_Score_99% |
| eSafe | Win32.Agent.DV.Bdr |
| eTrust-Vet | Win32/FeiYu_dc |
| nProtect | Trojan.Generic.14850570, Trojan-Downloader/W32.Feiyo.126872 |
The detection percentage is based on the fact that I have collected 7819 scan results for the ???????????? files. 2052 of these scan results came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: