The following instructions have been created to help you to get rid of "NewtonKnows" 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:

  • spyware

It could as well be called "Newton knows and sells anything about you."
Supposed Functionality:
Search add-on for IE
Privacy Statement:
The Company collects information from individuals when an individual provides information to a third party
Such purchased information may include, but is not limited to, an individual's name, email address, street address, zip code, telephone numbers (including cell phone numbers and carriers), birth date, gender, salary range, education and marital status, occupation, industry of employment, personal and online interests, and such other information as the individual may have provided
Links (be careful!):
Company URL:
Product URL:
Removal Instructions:

Start Menu:

Please remove the following items from your start menu.
To check where they are pointing to, right-click them and choose "Properties" from the context menu appearing.
  • Groups named "NewtonKnows".


Please use Spybot-S&D, RunAlyzer or msconfig.exe to remove the following autorun entries.
  • Entries named "NewtnUpd.exe".

Installed Software List:

You can try to uninstall products with the names listed below; for items identified by other properties or to avoid malware getting active again on uninstallation, use Spybot-S&D or RunAlyzer to locate and get rid of these entries.
  • Products that have a key or property named "Newton Knows".


Please use Windows Explorer or another file manager of your choice to locate and delete these folders.
  • The directory at "C:\Program Files\Newton Knows".
Make sure you set your file manager to display hidden and system files. If NewtonKnows 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 folders!


You can use regedit.exe (included in Windows) to locate and delete these registry entries.
  • Delete the registry key "Newton Knows" at "HKEY_LOCAL_MACHINE\Software\Virtumundo\Program\".
  • Delete the registry key "{8AE10EE3-84BE-4D3C-8106-7020BF3F0142}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Code Store Database\Distribution Units\".
  • Delete the registry key "{EE392A64-F30B-47C8-A363-CDA1CEC7DC1B}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\".
  • Delete the registry key "{6600D22F-083F-11D6-99DE-D172E92EBC2A}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{EE392A64-F30B-47C8-A363-CDA1CEC7DC1B}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{6600D22C-083F-11D6-99DE-D172E92EBC2A}" at "HKEY_CLASSES_ROOT\Interface\".
  • Delete the registry key "{6600D220-083F-11D6-99DE-D172E92EBC2A}" at "HKEY_CLASSES_ROOT\TypeLib\".
If NewtonKnows uses rootkit technologies, use our RegAlyzer, RootAlyzer or our Total Commander anti-rootkit plugins.


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 "".

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.