???????????? - 26% Detection Rate *

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:

Screenshot where ???????????? appears as the verified publisher in the UAC dialog

You can view the digital signature details for ???????????? with the following steps:

  1. Open Windows Explorer and locate the ???????????? file
  2. Right-click on the file and select Properties
  3. Click on the Digital Signatures tab
  4. Click on the View Certificate button

Here is a screenshot of a file that has been signed by ????????????:

Screenshot of the ???????????? certificate

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.

???????????? Files

The following are the ???????????? files I have gathered, thanks to the FreeFixer users.

Detection RatioFile Name
3/54KZipShell.dll
1/55tslog.exe
3/57kuaizipdrive.sys
2/55KZipShell.dll
3/57kuaizipdrive.sys
6/57kuaizipupdatechecker.dll
38/56guagua_23103204850.exe
7/60KZipShell.dll
3/61kuaizipdrive.sys
41/61ktpop3.exe
28/43crsing.dll
1/55tslog.exe
5/56Update.exe
2/57KZipShell.dll
47/71mininews-3.exe
1/56jyueservice.exe
2/57Update.exe
7/56setup_10002.exe
0/56memudrv.sys
0/56windroyeboxdrv.sys
0/56auds.exe

Scanner and Detection Names

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.

ScannerDetection Names
ALYacTrojan.Generic.14850570, Gen:Variant.Adware.Tpop.1
AVGGeneric.2EE, Generic_r.ATN, Agent3.BLK, Generic.4F7, FileRepMetagen [Adw]
AVwareTrojan.Win32.Generic!BT
Ad-AwareTrojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, Gen:Variant.Application.Strictor.172413
AegisLabVirus.Gen!c, Virus.Gen|2|102!c, Virus.E3F.Gen!c
AgnitumRiskware.GuaGua!
AhnLab-V3Adware/Win32.PornTool, PUP/Win32.Amonetize.R196578, PUP/Win32.KuaiZip.C2722773
AlibabaAdWare:Win32/KuziTui.fccc3d7d
AntiVirTR/Proxy.Gen
Antiy-AVLGrayWare[Porn-Tool]/Win32.GuaGua.q, GrayWare[AdWare]/Win32.Agent, Trojan/Win32.Feiyo.gen, GrayWare[AdWare]/Win32.KuaiZip
ArcabitTrojan.Generic.DE29A0A, Trojan.Adware.Tpop.1, Trojan.Application.Strictor.D2A17D
AvastWin32:Adware-gen [Adw], Win32:Malware-gen
Avast5Win32:Malware-gen
AviraTR/BAS.Dloader.izzgy, PUA/KuaiZip.Gen
BitDefenderTrojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, MemScan:Trojan.Generic.5835834, Gen:Variant.Application.Strictor.172413
BkavW64.HfsAdware.C51A, W32.HfsAdware.C51A, W32.HfsAdware.4B8A, W32.HfsAdware.5D5A
CAT-QuickHealPorn-Tool.GuaGua.g4 (Not a Virus), Pua.Agent, Trojan.Mauvaise.SL1
CommtouchW32/StartPage.AB.gen!Eldorado
ComodoUnclassifiedMalware, Application.Win32.KuaiZip.D, ApplicUnwnt@#152s52zzi2ztx
CrowdStrikemalicious_confidence_80% (D), win/malicious_confidence_100% (D)
Cybereasonmalicious.254271
CylanceUnsafe
CyrenW32/S-51653d07!Eldorado, W32/Adware.DCSH-0467, W32/S-13b12031!Eldorado
DrWebDLOADER.Trojan, Adware.Downware.9861, Trojan.DownLoader23.59620
ESET-NOD32a 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
EmsisoftTrojan.Generic.14850570 (B), Gen:Variant.Adware.Tpop.1 (B), Gen:Variant.Application.Strictor.172413 (B), Trojan.NSIS.Androm.8 (B)
Endgamemalicious (high confidence)
F-ProtW32/S-51653d07!Eldorado, W32/StartPage.AB.gen!Eldorado, W32/S-13b12031!Eldorado
F-SecureTrojan.Generic.14850570, Gen:Variant.Adware.Tpop, MemScan:Trojan.Generic.5835834, PotentialRisk.PUA/KuaiZip.Gen
FireEyeGeneric.mg.1d84f67254271c84
FortinetRiskware/PornTool_GuaGua, Riskware/KuaiZip, W32/Msock.AF!tr.bdr, W32/PossibleThreat
GDataTrojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, MemScan:Trojan.Generic.5835834, Gen:Variant.Application.Strictor.172413
Ikarusnot-a-virus:Porn-Tool.Win32.GuaGua, Trojan-Proxy
Invinceaheuristic, trojan.win32.dorv.b!rfn
JiangminPorn-Tool.GuaGua.c, RiskTool.KuaiZip.g, Adware.Agent.yit, Trojan/Agent.ewkn, AdWare.KuaiZip.bf
K7AntiVirusRiskware ( 0040eff71 ), Unwanted-Program ( 004bae261 ), Unwanted-Program ( 004f96bc1 ), Riskware, Unwanted-Program ( 004e256d1 ), Adware ( 004f7e1c1 )
K7GWRiskware ( 0040eff71 ), Unwanted-Program ( 004bae261 ), Unwanted-Program ( 004f96bc1 ), Unwanted-Program ( 004e256d1 ), Adware ( 004f7e1c1 )
Kasperskynot-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
MAXmalware (ai score=99)
MalwarebytesTrojan.Chad.GS, Adware.Kuaiba, PUP.Optional.ChinAd
McAfeeGenericR-DJK!93CD490F4FDD, Artemis!DF71EA80B6F4, Artemis!0E88F2B8A753, Adware-KZip
McAfee-GW-EditionGenericR-DJK!93CD490F4FDD, Artemis!PUP, Artemis!0E88F2B8A753, Adware-KZip
MicroWorld-eScanTrojan.Generic.14850570, Gen:Variant.Adware.Tpop.1, Gen:Variant.Application.Strictor.172413
MicrosoftPUA:Win32/KuaiZip
NANO-AntivirusRiskware.Win32.Downware.dqvuno, Riskware.Win32.KuaiZip.fhvuuo
NormanW32/Suspicious_Gen2.EPKBC
PCToolsTrojan.ADH
PandaTrj/CI.A, Generic Trojan, Trj/Genetic.gen
RisingMalware.Generic.5!tfe (thunder:5:PY3L1EIqerU) , PUF.KuaiZip!8.2F40 (CLOUD)
SUPERAntiSpywareAdware.TPOP/Variant
SentinelOnestatic engine - malicious, DFI - Malicious PE
SophosGeneric PUA PF (PUA), Generic PUA DI (PUA), Generic PUA DP (PUA)
SymantecTrojan.Gen.2, SecurityRisk.gen1, Trojan.ADH, ML.Attribute.HighConfidence
TheHackerTrojan/Downloader.Feiyo.j
TotalDefenseHeur/TrojanHorse.ZCIH!suspicious
TrendMicroTROJ_GEN.R0EBC0OF915, TROJ_GEN.R0C1C0VC417
TrendMicro-HouseCallTROJ_GEN.R0C1C0VC417
VBA32AdWare.Agent, Trojan.Agent.huno, BScope.Downloader.KuziTui
VIPRETrojan.Win32.Generic!BT
ViRobotAdware.Tpop.1218456.A[h], Adware.Kuaizip.2625560.B
VirusBusterTrojan.Agent!iVTlt0iPLno
WebrootMalicious, W32.Adware.Gen
YandexPUA.Agent!, PUA.KuaiZip!
ZillyaAdware.Ocna.Win32.17284, Tool.GuaGua.Win32.3, Adware.Agent.Win32.127296, Adware.KuaiZip.Win32.55
ZoneAlarmnot-a-virus:RiskTool.Win32.KuaiZip.a, not-a-virus:AdWare.Win32.Agent.xxdfaq, not-a-virus:HEUR:AdWare.Win32.KuziTui.gen
eGambitUnsafe.AI_Score_99%
eSafeWin32.Agent.DV.Bdr
eTrust-VetWin32/FeiYu_dc
nProtectTrojan.Generic.14850570, Trojan-Downloader/W32.Feiyo.126872

* How the Detection Percentage is Calculated

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.

Analysis Details

The analysis has been done on certificates with the following serial numbers:

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