QueryService.net
QueryService.net is an unsafe web page and tricky search system which is related to malicious browser hijackers, rootkits and Trojans that include ZeroAccess rootkit and Google Redirect Virus. These malware infections are able to hijack the affected web browser, change the DNS settings and HOSTS file in order to redirect search engine traffic to unwanted or advertising websites. So, if you try to look for a certain keyword in Google, Bing, Yahoo and other major search engines, all search results will be redirected to QueryService.net and other corrupt advertisement websites designed by scammers to earn money and increase traffic. Malware threats linked to QueryService.net may violate your privacy and slow down your PC. To get rid of redirects to QueryService.net, you need to find a powerful anti-malware tool to delete all browser hijacking Trojans related to QueryService.net.
Technical Details
File System Modifications
Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.
The following files were created in the system:%AppData%[trojan name]toolbarstat.log
File name: %AppData%[trojan name]toolbarstat.logMime Type: unknown/log
%AppData%[trojan name]toolbardtx.ini
File name: %AppData%[trojan name]toolbardtx.iniMime Type: unknown/ini
%AppData%[trojan name]toolbarlog.txt
File name: %AppData%[trojan name]toolbarlog.txtMime Type: unknown/txt
%AppData%[trojan name]toolbarpreferences.dat
File name: %AppData%[trojan name]toolbarpreferences.datFile type: Data file
Mime Type: unknown/dat
%AppData%[trojan name]toolbarguid.dat
File name: %AppData%[trojan name]toolbarguid.datFile type: Data file
Mime Type: unknown/dat
%AppData%[trojan name]toolbarstats.dat
File name: %AppData%[trojan name]toolbarstats.datFile type: Data file
Mime Type: unknown/dat
%AppData%[trojan name]toolbaruninstallIE.dat
File name: %AppData%[trojan name]toolbaruninstallIE.datFile type: Data file
Mime Type: unknown/dat
%AppData%[trojan name]toolbaruninstallStatIE. dat
File name: %AppData%[trojan name]toolbaruninstallStatIE. datMime Type: unknown/ dat
%Temp%[trojan name]toolbar-manifest.xml
File name: %Temp%[trojan name]toolbar-manifest.xmlMime Type: unknown/xml
%AppData%[trojan name]toolbarversion.xml
File name: %AppData%[trojan name]toolbarversion.xmlMime Type: unknown/xml
%AppData%[trojan name]toolbarcouponscategories.xml
File name: %AppData%[trojan name]toolbarcouponscategories.xmlMime Type: unknown/xml
%AppData%[trojan name]toolbarcouponsmerchants.xml
File name: %AppData%[trojan name]toolbarcouponsmerchants.xmlMime Type: unknown/xml
%AppData%[trojan name]toolbarcouponsmerchants2.xml
File name: %AppData%[trojan name]toolbarcouponsmerchants2.xmlMime Type: unknown/xml
Registry Modifications
HKEY..\..\{CLSID Path}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A40DC6C5-79D0-4ca8-A185-8FF989AF1115}ProgID "[trojan name]IEHelper.UrlHelper.1"HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A40DC6C5-79D0-4ca8-A185-8FF989AF1115} "UrlHelper Class"HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{99079a25-328f-4bd4-be04-00955acaa0a7}InprocServer32 "C:PROGRA~1WINDOW~4ToolBar[trojan name]dtx.dll"HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A40DC6C5-79D0-4ca8-A185-8FF989AF1115}VersionIndependentProgID "[trojan name]IEHelper.UrlHelper"HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{99079a25-328f-4bd4-be04-00955acaa0a7} "[trojan name] Toolbar"HKEY..\..\..\..{Subkeys}HKEY_LOCAL_MACHINE\SOFTWARE\Classes[trojan name]IEHelper.DNSGuardHKEY_LOCAL_MACHINE\SOFTWARE\Classes[trojan name]IEHelper.DNSGuard.1HKEY_LOCAL_MACHINE\SOFTWARE\Classes[trojan name]IEHelper.DNSGuardCurVerHKEY_LOCAL_MACHINE\SOFTWARE\Classes[trojan name]IEHelper.DNSGuardCLSIDHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects{99079a25-328f-4bd4-be04-00955acaa0a7} "[trojan name] Toolbar"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar "[trojan name] Toolbar"
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