MatrixSearch Description:

MatrixSearch is installed without user's permision. It is a browser helper object that displays pop-up undesirable ads in Internet Explorer. It can run on every Windows startup.

MatrixSearch Automatic Removal:

Using Spyware Doctor to remove MatrixSearch AUTOMATICALLY!

MatrixSearch Manual Removal:

Warning: The following instructions are only for advanced computer users. We recommend you to backup your system registry or create a System Restore Point before any risky step. We offers no warranty of any kind to manual operators. For common users we recommend to remove malwares using anti-spyware tools, such as Spyware Doctor, Spyware Doctor, BPS Spyware&Adware Remover, ...

To uninstall MatrixSearch:

1. Click Start > Run. Type REGSVR32 -u %Dll_name%. Then click OK. Replace %Dll_name% with followings:
   Mshtmpre.dll
   
   
2. Click Start > Run. Type regedit. Then click OK. Navigate to and delete the registry keys:
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
   \Explorer\Browser Helper Objects\{D879A0F1-2B3B-4409-8879-FAD6E49E1EA9}
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
   \Explorer\Browser Helper Objects\{9C5B2F29-1F46-4639-A6B4-828942301D3E}
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
   \Explorer\Browser Helper Objects\{622CC208-B014-4FE0-801B-874A5E5E403A}
   HKEY_CLASSES_ROOT\CLSID\{15651C7C-E812-44a2-A9AC-B467A2233E7D}
   HKEY_CLASSES_ROOT\CLSID\{622CC208-B014-4FE0-801B-874A5E5E403A}
   HKEY_CLASSES_ROOT\CLSID\{9C5B2F29-1F46-4639-A6B4-828942301D3E}
   HKEY_CLASSES_ROOT\CLSID\{D879A0F1-2B3B-4409-8879-FAD6E49E1EA9}
   HKEY_CLASSES_ROOT\Interface\{16F6A635-09F8-44E6-953E-81D037647255}
   HKEY_CLASSES_ROOT\Interface\{34DCDBDB-60EF-4281-92C6-68C299AAB8E5}
   HKEY_CLASSES_ROOT\Interface\{FC02833E-9FDE-4862-974F-828887716A28}
   HKEY_CLASSES_ROOT\Interface\{722C6699-FDF7-4B4F-BDD0-F84CF5791A80}
   
   
   Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, delete "LoadHTML" = "rundll32.exe c:\windows\system32\regsvr32.exe,MShtmpre". Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AboutURLs, delete "html_unresident" = "res://C:\WINDOWS\System32\SIPSPI32.dll/Desinstala.htm" "html_stopengine" = "res://C:\WINDOWS\System32\SIPSPI32.dll/Desactiva.htm" "html_gotowork" = "res://C:\WINDOWS\System32\SIPSPI32.dll/Activa.htm" "html_onlyone" = "res://C:\WINDOWS\System32\SIPSPI32.dll/p1.htm" "html_reconfig3" = "res://C:\WINDOWS\System32\SIPSPI32.dll/p3.htm" "html_reconfig5" = "res://C:\WINDOWS\System32\SIPSPI32.dll/p5.htm" "html_reconfig9" = "res://C:\WINDOWS\System32\SIPSPI32.dll/p9.htm" Exit the Registry Editor.
   
   
3. Remove the file in Explorer:
   Mshtmpre.dll

However, a few of registry entries may be left behind deleting. You can ask for Spyware Doctor to clean up.