Remove Internet Optimizer

What is Internet Optimizer ?

Internet Optimizer is an adware which also hijacks your browser error page. It opens pop-up windows to display ads from its network sites periodically. Internet Optimizer is an error page hijacker. It also displays ads from its network sites using popup windows.

Internet Optimizer variants

InternetOptimizer/Iopti is unknown-server errors, page-missing errors, server errors and even password-required errors are redirected to Internet Optimizer's controlling server at www.internet-optimizer.com.

InternetOptimizer/Nem: as Iopti, but searches are hijacked to yoogee.com (a search site run by the makers of InternetOptimizer).

InternetOptimizer/Wsem is a larger version of the software, whose purpose is unclear.

InternetOptimizer/Crmrest is an ActiveX downloader control for InternetOptimizer.

Internet Optimizer behavior

• Shows ads
  
• Changes browser

Internet Optimizer Removal Instructions:

Disclaimer: Modifying the registry or system files can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Check Start > Settings > Control Panel > Add/Remove Programs, select 'Active Alert' or 'Internet Optimizer' and remove InternetOptimizer from your computer.

To Manually remove InternetOptimizer:
1. For the Crmrest installer variant, open the Downloaded Program Files folder (inside the Windows folder) and remove the 'Media Manager' entry.
2. Open the registry editor (click Start > Run and enter 'regedit') and find the key HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run. Delete the entries: 'DyFuCA' and 'DyFuCA Active Alerts'.
3. Delete the subkey 'FCI' in HKEY_LOCAL_MACHINE\Software and HKEY_CURRENT_USER\Software to clean up.
4. Open a DOS command prompt window (For Windows 98 click Start >Programs >Accessories, or for Windows 2000/XP click Start > Run, enter 'cmd'), and enter the following commands :For the Iopti variant:
   cd "%WinDir%\System"
   regsvr32 /u ..\iopti130.dll Or, for the Nem variant:
   cd "%WinDir%\System"
   regsvr32 /u ..\nem207.dll Or, for the Wsem variant:
   cd "%WinDir%\System"
   regsvr32 /u ..\wsem210.dll
5. Restart the computer.
6. Open the Windows folder, find and delete the following DLL file:
   'ioptiXXX.dll' (Iopti variant)
   'nemXXX.dll' (Nem variant)
   'wsemXXX.dll' (Wsem variant).
   
   The XXX differs for different versions; common versions are 'iopti130.dll', 'nem207.dll' and 'wsem210.dll'.).
   

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