The following instructions have been created to help you to get rid of "CoolWWWSearch.Leftovers" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

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Threat Details:

Categories:
  • hijacker

Description:
Part of the CoolWWWSearch hijackers. It installs itself without any permission in background. It hooks itself to the Internet Explorer and redirects itīs searches and/or homepage to CoolWWWSearch websites, which harbor other malware or fraudware. ToolbarCC appears to be a part of this hijacker.
Removal Instructions:

Autorun:

Please use Spybot-S&D, RunAlyzer or msconfig.exe to remove the following autorun entries.
  • Entries named "SystemSearch".
  • Entries named "spp".
  • Entries named "sp".
  • Entries pointing to "<$WINDIR>\winupdate.exe".
  • Entries pointing to "<$WINDIR>\winlogon.exe".
  • Entries pointing to "<$WINDIR>\msfind.exe".
  • Entries pointing to "<$SYSDIR>\mstaskm.exe".
  • Entries pointing to "<$SYSDIR>\msupdate.exe".
  • Entries pointing to "<$WINDIR>\sp.exe".
  • Entries pointing to "<$SYSDIR>\hosts.vbs".
  • Entries pointing to "<$WINDIR>\reg32.exe".
  • Entries pointing to "<$SYSDIR>\nvidia32.exe".
  • Entries pointing to "<$PROGRAMFILES>\Internet Explorer\Iesar.exe".
  • Entries named "defragm_check".

Files:

Please use Windows Explorer or another file manager of your choice to locate and delete these files.
  • The file at "c:\ie.reg".
  • The file at "c:\spp.reg".
  • The file at "<$WINDIR>\spp.reg".
  • The file at "c:\sp.reg".
  • The file at "<$WINDIR>\sp.reg".
  • The file at "<$COMMONSTARTUP>\Search.vbs".
  • The file at "<$WINDIR>\winupdate.exe".
  • The file at "<$WINDIR>\winlogon.exe".
  • The file at "<$DESKTOP>\Search.lnk".
  • The file at "<$COMMONDESKTOP>\Search.lnk".
  • The file at "<$WINDIR>\2020se~1.dll".
  • The file at "<$WINDIR>\NavExt.dll".
  • The file at "<$SYSDIR>\mstaskm.exe".
  • The file at "<$WINDIR>\fonts\{F6783180-AB16-11D5-866D-F1833B88AD64}\Quicker.exe".
  • The file at "<$WINDIR>\update911.js".
  • The file at "<$WINDIR>\update12.js".
  • The file at "<$WINDIR>\TEMP\u070104.exe".
  • The file at "<$WINDIR>\ex.htm".
  • The file at "<$WINDIR>\sp.exe".
  • The file at "<$SYSDIR>\hosts.vbs".
  • The file at "<$WINDIR>\reg32.exe".
  • The file at "<$DESKTOP>\netrun.exe".
  • The file at "<$SYSDIR>\nvidia32.exe".
  • The file at "<$PROGRAMFILES>\Internet Explorer\Iesar.exe".
  • The file at "<$DESKTOP>\Credit Counseling.url".
  • The file at "<$DESKTOP>\Health Insurance.url".
  • The file at "<$SYSDIR>\defragment.exe".
Make sure you set your file manager to display hidden and system files. If CoolWWWSearch.Leftovers uses rootkit technologies, use our RootAlyzer or our Total Commander anti-rootkit plugins.
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!

Registry:

You can use regedit.exe (included in Windows) to locate and delete these registry entries.
  • Delete the registry key "{0982868C-47F0-4EFB-A664-C7B0B1015808}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{0982868C-47F0-4EFB-A664-C7B0B1015808}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{0BA1C6EB-D062-4E37-9DB5-B07743276324}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{0BA1C6EB-D062-4E37-9DB5-B07743276324}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{1F48AA48-C53A-4E21-85E7-AC7CC6B5FFB1}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{1F48AA48-C53A-4E21-85E7-AC7CC6B5FFB2}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{1F48AA48-C53A-4E21-85E7-AC7CC6B5FFB2}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{94927A13-4AAA-476A-989D-392456427688}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{94927A13-4AAA-476A-989D-392456427688}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{95E02C52-05FC-425D-8378-9DA70F9CD763}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{95E02C52-05FC-425D-8378-9DA70F9CD763}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{A097840A-61F8-4B89-8693-F68F641CC838}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{CC916B4B-BE44-4026-A19D-8C74BBD23361}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "WinUpdate" at "HKEY_LOCAL_MACHINE\Software\Microsoft\".
  • Delete the registry key "{00110011-4B0B-44D5-9718-90C88817369B}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{00110011-4B0B-44D5-9718-90C88817369B}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry value "tlc" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce\".
  • Delete the registry key "Web Search" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\".
  • Delete the registry key "{0B5F1910-F111-11d2-BB9E-00C04F7956B1}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Extensions\".
  • Delete the registry key "{0B5F1910-F111-11d2-BB9E-00C04F7956B2}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Extensions\".
  • Delete the registry key "{0B5F1910-F111-11d2-BB9E-00C04F7956B3}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Extensions\".
  • Delete the registry key "{0B5F1910-F111-11d2-BB9E-00C04F7956B4}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Extensions\".
  • Delete the registry key "{0B5F1910-F111-11d2-BB9E-00C04F7956B5}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Extensions\".
  • Delete the registry key "Win32 Classes" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Code Store Database\Distribution Units\".
If CoolWWWSearch.Leftovers uses rootkit technologies, use our RegAlyzer, RootAlyzer or our Total Commander anti-rootkit plugins.

INI files:

The following .ini file entries may need corrections. You can open this files in Notepad or any other text editor.
  • Please remove "*" from entry "run" from section "windows" in file "<$WINDIR>\win.ini".
  • Please remove "*" from entry "run" from section "windows" in file "<$WINDIR>\win.ini".
  • Please remove entry "run" from section "windows" in file "<$WINDIR>\win.ini".
  • Please remove entry "run" from section "windows" in file "<$WINDIR>\win.ini".

Browser:

The following browser plugins or items can either be removed directly in your browser, or through the help of e.g. Spybot-S&D or RunAlyzer.
  • Please check your bookmarks for links to "res://mshp.dll/".

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
  1. Please read these instructions before requesting assistance,
  2. Then start your own thread in the Malware Removal Forum where a volunteer analyst will advise you as soon as available.