Backdoor.win32.zaccess.oun is a variant of Max++ or ZeroAccess rootkit. It is spread by using a number of drive-by download routines. The infection has been introduced into extremely large number of computers, so large that it is about to be an outbreak.
Yet it is extremely encrypted malware. Special hidden volume is created to prevent users and security programs from observing its components.
Removal of Backdoor.win32.zaccess.oun is a prerequisite of your computer security and even system survival. Failure to exterminate the parasite keeps your OS under control of hackers.
Free scanner available here is a valid tool to remove Backdoor.win32.zaccess.oun and other infections – residents to your PC.