LinkZZ variant Open the 'Downloaded Program Files' folder in the Windows folder, right-click the 'NullCtrl Class' entry, and remove it. You can also delete the key 'HKEY CURRENT USER\Software\LinkZZ' from the registry to clean up if you like. QcBar variant Open the registry (click 'Start', choose 'Run' and enter 'regedit') and delete the following keys: HKEY LOCAL MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\{765E6B09-6832-4738-BDBE-25F226BA2AB0} HKEY LOCAL MACHINE\SOFTWARE\Microsoft\Code Store Database\Distribution Units\{765E6B09-6832-4738-BDBE-25F226BA2AB0} HKEY CURRENT USER\Software\QcBar HKEY CLASSES ROOT\QcBar HKEY CLASSES ROOT\QcBar.1 HKEY CLASSES ROOT\Allch.IEObj HKEY CLASSES ROOT\Allch.IEObj.1 HKEY CLASSES ROOT\CLSID\{765E6B09-6832-4738-BDBE-25F226BA2AB0} HKEY CLASSES ROOT\CLSID\{D6FC35D1-04AB-4D40-94CF-2E5AE4D0F8D2} HKEY CLASSES ROOT\Interface\{ED7D1356-F7C2-4A27-A87C-C0DFEB3A628F} HKEY CLASSES ROOT\Interface\{242CA913-1637-4F74-9729-EA349AF3ECAC} HKEY CLASSES ROOT\TypeLib\{C02EE3A0-1881-419F-A5ED-737223463292} HKEY CLASSES ROOT\TypeLib\{60381D4B-8129-449A-A5F2-5417AD0571CC} Restart Windows. You can now delete the program files to clean up: open a DOS command prompt window (from Start->Programs->Accessories) and enter the following commands: del "%WinDir%\Downloaded Program Files\allch.dll" del "%WinDir%\Downloaded Program Files\QcBar.dll" QaBar variant Open a DOS command prompt window (from Start->Programs->Accessories) and enter the following commands: cd "%WinDir%\System" regsvr32 /u "..\Downloaded Program Files\QaBar.dll" del "..\Downloaded Program Files\QaBar.inf" You can then delete the file 'insqcb.ins' in the System folder (inside the Windows folder, called 'System32' on Windows NT, 2000 and XP or just 'System' under Windows 95, 98 and Me), and the 'Adult Links Daily' icons on the Start Menu and Desktop, plus the 'QcBar' folder inside the Application Data folder. (Application Data can be found in the Windows folder under Windows 95, 98 and Me, or in your user 'Profiles' folder in the Windows folder under Windows NT, or in your user 'Documents and Settings' folder in 2000 and XP.) You can also delete the registry key 'HKEY LOCAL MACHINE\Software\QcBar' to clean up if you like. All variants The 'Adult Links', 'Adult Search', 'Sports' and 'Instant Viagra' folders can be deleted from the Favorites folder. Then, if your search settings have been hijacked QaBar and some releases of QcBar also hijack address bar searches to point to search-itnow.com. To stop this happening, go to the Programs tab in Internet Options and click 'Reset web settings'.