Adware.ChinAd is Malwarebytes' generic detection for a family that consists mostly of bundlerscontaining Chinese adware.
Systems affected with Adware.ChinAd will display advertisements not originating from the sites they are visiting, often oriented toward the Chinese market.
Bundlers like Adware.ChinAd often contain one program that is appealing and combine it during install with adware and PUPs.
Malwarebytes can detect and remove Adware.ChinAd without further user interaction.
An example of a removal log is this one for a member of this family called EnjoyWifi:Malwarebytes log:
Malwarebyteswww.malwarebytes.com-Log Details-Scan Date: 9/27/17Scan Time: 10:38 AMLog File: 36880759-a35f-11e7-bf1d-080027750297.jsonAdministrator: Yes-Software Information-Version: 3.2.2.2018Components Version: 1.0.188Update Package Version: 1.0.2896License: Premium-System Information-OS: Windows 7 Service Pack 1CPU: x64File System: NTFSUser:{computername}\{username}-Scan Summary-Scan Type: Threat ScanResult: CompletedObjects Scanned: 321581Threats Detected: 23Threats Quarantined: 23Time Elapsed: 1 min, 14 sec-Scan Options-Memory: EnabledStartup: EnabledFilesystem: EnabledArchives: EnabledRootkits: DisabledHeuristics: EnabledPUP: DetectPUM: Detect-Scan Details-Process: 1PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\EnjoyWiFi.exe, Quarantined, [8686], [417507],1.0.2896Module: 4PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\EnjoyWiFi.exe, Quarantined, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\sciter32.dll, Quarantined, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\wfcrecf.dll, Quarantined, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\zlib.dll, Quarantined, [8686], [417507],1.0.2896Registry Key: 2PUP.Optional.EnjoyWiFi, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{8948C1BE-92B8-4276-8803-DC71CC78203A}, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.ChinAd, HKLM\SYSTEM\CURRENTCONTROLSET\SERVICES\wfcre, Delete-on-Reboot, [96], [417524],1.0.2896Registry Value: 1PUP.Optional.EnjoyWiFi, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\{8948C1BE-92B8-4276-8803-DC71CC78203A}|DISPLAYNAME, Delete-on-Reboot, [8686], [417521],1.0.2896Registry Data: 0(No malicious items detected)Data Stream: 0(No malicious items detected)Folder: 2PUP.Optional.EnjoyWiFi, C:\PROGRAM FILES (X86)\ENJOYWIFI, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\PROGRAMDATA\MICROSOFT\WINDOWS\START MENU\PROGRAMS\ENJOYWIFI, Delete-on-Reboot, [8686], [417508],1.0.2896File: 13PUP.Optional.EnjoyWiFi, C:\USERS\PUBLIC\DESKTOP\ENJOYWIFI.LNK, Delete-on-Reboot, [8686], [417518],1.0.2896PUP.Optional.EnjoyWiFi, C:\PROGRAM FILES (X86)\ENJOYWIFI\ENJOYWIFI.SSF, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\EnjoyWiFi.exe, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\inst.db, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\sciter32.dll, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\uninst.exe, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\wfcrecf.dll, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\wftinst.dll, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\Program Files (x86)\EnjoyWiFi\zlib.dll, Delete-on-Reboot, [8686], [417507],1.0.2896PUP.Optional.EnjoyWiFi, C:\PROGRAMDATA\MICROSOFT\WINDOWS\START MENU\PROGRAMS\ENJOYWIFI\ENJOYWIFI.LNK, Delete-on-Reboot, [8686], [417508],1.0.2896PUP.Optional.EnjoyWiFi, C:\ProgramData\Microsoft\Windows\Start Menu\Programs\EnjoyWiFi\uninstall EnjoyWiFi.lnk, Delete-on-Reboot, [8686], [417508],1.0.2896PUP.Optional.ChinAd, C:\WINDOWS\SYSTEM32\DRIVERS\WFCRE.SYS, Delete-on-Reboot, [96], [417524],1.0.2896PUP.Optional.EnjoyWiFi, C:\USERS\{username}\DESKTOP\SETUP.4.22.EXE, Delete-on-Reboot, [8686], [417533],1.0.2896Physical Sector: 0(No malicious items detected)(end)
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