What is a rootkit, how to remove it and what damages it cause

What is a rootkit

A rootkit is a program, file, process or set of tools that allows constant access to a computer, computer, smartphone, smart tv, or any device that has an operating system and Internet access. The rootkit is responsible for having access to the computer as an administrator to obtain all possible privileges.

Current anti-virus are constantly updated to be more efficient in the face of such threats, since rootkits are not always detected by the antivirus because most of them try to be as invisible as possible by corrupting protection programs, hiding and camouflaging themselves with processes Of the system making the user believe that the applications are already installed.

What damage can a rootkit cause?

  • Steal your personal information such as passwords and users stored on your computer.
  • Use your personal information to sell it to third parties.
  • Use your computer to send bulk emails (spam).
  • Use your equipment as a springboard to commit fraud and theft.

How can you infect your device from a rootkit?

  • Free” programs. Some programs that call themselves “free” installs in the background and without your consent these types of malicious programs.
  • Extensions for the browser. Many browser extensions are created for illegal purposes and many of them manage to pass the browser security protocols, so it is good to avoid installing unknown or suspicious extensions.
  • USB memory. USB drives are often infected with such programs and when you transfer files from USB to a computer it ends up being infected.

How to detect and remove a rootkit?

The easiest way is with an antivirus, however, this does not always work because antiviruses do not always detect them and many times rootkits modify installation files or antivirus parameters so that they do not detect them.

You can try with several antivirus, pass the Avast, then the McAfee and then the Malwarebyte and when you finish checking in the task manager the processes that run in the background and identify what each one is.