Vamos bajo mi punto de vista no tiene precio, pero para gusto colores aqui os pongo la descripción y enlaces de su página.
PowerTool is a free anti-virus&rootkit utility. It offers you the ability to detect, analyze and fix various kernel structure modifications and gives you a wide scope of the kernel.

Added:
Support Windows 8.1
Add view and remove WFP Filter
Add view NDIS MiniDriver and MiniPort
Boxes to notch on the GUI:
Integrated FORCE delete file & Online virus scan to Right-click menu
Simple self-protection
Modified:
Fix bug of Enum process on Windows 2003.
Fix bug of view Task scheduler.
Replace Filterbit to Jotti as online scan engine.
With 'Configuration' button, you have the possibility to notch the manual antivirus boxes:
Forbid Create Process
Forbid Create Thread
Forbid Load Driver
Forbid Edit Registry
Forbid Create File
Forbid Shutdown System
- and too:
Monitoring USB Device When Have Autorun File
Stay On Top
- and buttons:
Release system memory
Quick Reboot
Quick Shutdown
In the System tab / Repair subtab, you have too: 'Minimize to Tray', 'Delete all Autorun files in the Root directory', and 'Fix Safe Mode' buttons!
Fantastic, beautiful - all these possibilities!
And 'Master Boot Record (MBR)' to check, in the 'System' tab ..
PowerTool V4.5 -> x86
Download: [Enlace externo eliminado para invitados]
Languaje English: [Enlace externo eliminado para invitados]
Old Version(x64)
PowerTool V1.3 -> x86
Download: [Enlace externo eliminado para invitados]
Languaje English: [Enlace externo eliminado para invitados]
Como podeis observar no tiene precio, eso si es para los que les gusten las manualidades, abstengase, principiantes