Internet Optimizer Description:

Internet Optimizer is an error page hijacker that has following variants:

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

InternetOptimizer/Crmrest: an ActiveX downloader control for InternetOptimizer.

Also known as: DyFuCA.

Internet Optimizer Automatic Removal:

Using BPS Adware & Spyware Remover to detect and remove Internet Optimizer AUTOMATICALLY!

Internet Optimizer Manual Removal:

Check the Control Panel's Add/Remove Programs feature for 'Active Alert' and 'Internet Optimizer'. If these entries are there, using both should result in InternetOptimizer's correct removal. Afterwards, ensure MoneyTree/DyFuCA is no longer loaded.

For the Crmrest installer variant, open the Downloaded Program Files folder (inside the Windows folder) and remove the 'Media Manager' entry.

For other variants, open the Windows folder. You should be able to see a file 'ioptiXXX.dll' (Iopti variant), 'nemXXX.dll' (Nem variant) or 'wsemXXX.dll' (Wsem variant). The XXX differs for different versions; common versions are 'iopti130.dll', 'nem207.dll' and 'wsem210.dll'.

Open the registry (click 'Start', choose 'Run' and enter 'regedit') and find the key HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run. Delete the entries 'DyFuCA' and 'DyFuCA Active Alerts'.

Now open a DOS command prompt window (from Start->Programs->Accessories), and enter the following commands (for the Iopti variant):

Or, for the Nem variant:

Or, for the Wsem variant:

Restart the computer and you should be able to delete the DLL from the Windows folder, and the 'DyFuCA', 'Internet Optimizer' or 'STWSI' folder you may have inside Program Files. You can also delete the subkey 'FCI' in HKEY_LOCAL_MACHINE\Software and HKEY_CURRENT_USER\Software to clean up if you like.

More Removal Instructions for Adware/Spyware Programs - 'I'