NavExcel Description:

NavExcel is a search hijacker implemented as an IE Browser Helper Object. Address bar searches, attempts to connect to unknown servers, and all 404 page-not-found errors (even those whose sites provide custom error pages) are redirected to webservicehost.com.

Also known as: NavHelper

NavExcel Automatic Removal:

Using Spyware Doctor to detect and remove NavExcel AUTOMATICALLY!

NavExcel Manual Removal:

Follow these steps to remove NavExcel from your machine. Begin by backing up your registry and your system, and/or setting a Restore Point, to prevent trouble if you make a mistake.

1. Kill these running processes with Task Manager:
   programfilesdir+\navexcel\navhelper\v2.0.4\nhuninstaller.exe
   programfilesdir+\navexcel\navhelper\v2.0.4\nhupdater.exe
   nhupdater.exe
   
2. Unregister these DLLs with Regsvr32, then reboot:
   programfilesdir+\navexcel\navhelper\v2.0.4\nhelper.dll
   systemroot+\system32\nhelper.dll
   systemroot+\system\nhelper.dll
   
3. Remove these registry items (if present) with RegEdit:
   HKEY_CLASSES_ROOT\appid\nhelper.dll
   HKEY_CLASSES_ROOT\clsid\{b5ef836b-7582-4d82-9246-17f6c40ddf0f}
   HKEY_CLASSES_ROOT\clsid\{c1e58a84-95b3-4630-b8c2-d06b77b7a0fc}
   HKEY_CLASSES_ROOT\software\microsoft\windows\currentversion\explorer\browser helper objects\{c1e58a84-95b3-4630-b8c2-d06b77b7a0fc}
   HKEY_LOCAL_MACHINE\clsid\{c1e58a84-95b3-4630-b8c2-d06b77b7a0fc}
   HKEY_LOCAL_MACHINE\software\classes\clsid\{c1e58a84-95b3-4630-b8c2-d06b77b7a0fc}
   HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{c1e58a84-95b3-4630-b8c2-d06b77b7a0fc}
   HKEY_LOCAL_MACHINE\software\navexcel
   
4. Remove these files (if present) with Windows Explorer:
   programfilesdir+\navexcel\navhelper\v2.0.4\nhelper.dll
   programfilesdir+\navexcel\navhelper\v2.0.4\nhelper.htm
   programfilesdir+\navexcel\navhelper\v2.0.4\nhuninstaller.exe
   programfilesdir+\navexcel\navhelper\v2.0.4\nhupdater.exe
   systemroot+\system32\nhelper.dll
   systemroot+\system\nhelper.dll
   
5. Remove these directories (if present) with Windows Explorer:
   programfilesdir+\navexcel
   
6. After following the instructions above, you will still need to restore your original settings and prevent this from happening again. Here's how.

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