Firefox

   Mozilla Firefox

   Windows 7/XP/Vista

   Windows 7/XP/Vista

   Windows 7/XP/Vista

   Mozilla Firefox:

You can select one of the following method to help alleviate the manual process: • [http://www.microsoft.com/security/scanner/en-us/default.aspx Microsoft Safety Scanner] • [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware] • [http://www.bleepingcomputer.com/download/tdsskiller/ TDSSKiller - AntiRootkit Utility] • [http://www.surfright.nl/en/hitmanpro/ Hitman Pro] • [http://www.eset.com/us/online-scanner/ ESET Online Scanner ] '''Step one'''. Reset browsers. Firefox Open firefox > hit Firefox button > Help > Troubleshooting information > locate left uppers corner to find a box containing ‘Reset Firefox’ button > press ‘Reset Firefox’: '''Step two. '''Manually manage browser settings to remove yontoo virus. Mozilla Firefox At the top of the Firefox window, click on the Tools menu -> manage Add-ons -> modification should be made under Extensions tab and Plugins tab respectively. '''Step three. '''Disable startup items to remove yontoo virus. Windows 7/XP/Vista Start Menu -> select ‘Run’ -> type ‘MSCONFIG’ -> hit Startup tab -> find and select yontoo’s startup item -> press Disable all to remove yontoo virus. '''Step four. '''Show hidden files and folders to remove yontoo virus thoroughly. Windows 7/XP/Vista Start menu -> open ‘Control Panel’ -> search for ‘Folder Options’ -> hit View tab -> tick ‘Show hidden files and folders and non-tick Hide protected operating system files (Recommended)’ -> press ‘OK’ -> find and delete related items to remove yontoo virus. '''Step five. '''Access Control Panel to remove yontoo virus. * Start Menu -> Control Panel. (If you run Windows 8, right-click on ‘Unpin from Start’ at the bottom-left corner of your desktop > choose ‘Control Panel’ from the pop-up menu.) * Click on ‘Uninstall a program’ under Programs area when Control Panel window appears. * Look for ‘yontoo’ -> click on Uninstall/Change. * Follow the uninstall wizards to finish the uninstall process. '''Step six. '''Remove related registry entries related to yontoo virus so as to get rid of it thoroughly. Windows 7/XP/Vista Start menu > launch Search/Run box > type ‘regedit’ > hit Enter key > Mozilla Firefox: * navigate to Extensions under HKEY_CURRENT_USER\ Microsoft\Mozilla\ Firefox to find and select items related to yontoo virus > right click on selected item to delete it. * navigate to HKEY_CURRENT_USER\ Microsoft\MozillaPlugins to find and select items related to yontoo virus > right click on selected item to delete it. * navigate to HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins to find and select items related to yontoo virus > right click on selected item to delete it. If you run Windows 8, or others come across yontoo on other browsers, you may want to remove yontoo virus by following the steps here: [http://virusremovalguideline.blogspot.com/2013/10/remove-yontoo-virus-yontoo-virus.html http://virusremovalguideline.blogspot.com/2013/10/remove-yontoo-virus-yontoo-virus.html ]