How to remove rootkits
What is a rootkit?
A rootkit is a program designed to give hackers administrative access to your computer without your knowledge. Some Rootkits install backdoors. Unlike viruses or worms, rootkits are not able to duplicate themselves.
Detecting its presence is more complicated than for other malware.
Here are the main actions of rootkits:
They modify the function of the operating system (and possibly its kernel).
They may be invisible (hidden processes) which makes them difficult to disinfect or make it more difficult to remove.
Removal methods
Rootkits can make the system unstable. Before proceeding with the deletion, it is strongly advised to backup the important documents.
On the other hand, during removal, close all active programs and disable virus protection.
Install and launch the anti-malware program. Be sure to update the program's file definitions to make sure it finds the latest rootkits. All anti-malware programs will have an "update program" or the "Update definitions" button or link in the user interface Locate the update / definition program and click on it Run a complete scan after installing all the updates It may take 30 minutes or more, depending on the size of the hard disk.Malwarebyte provides a very effective antirootkit scanner.
Download and run the program: http://www.malwarebytes.org/products/mbar/
Start a scan.
Remove the malicious items detected.
Save the scan / delete report.
RogueKiller
RogueKiller is a program that can detect rootkits. In particular, it is able to detect and delete ZeroAccess / Sirefef.
Download Roguekiller desktop in the official site
Quit all programs
Launch RogueKiller.exe.
Wait until the Prescan has finished ...
Start a scan to unlock the delete button on the right.
Click on Delete.
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