Viruses are malicious computer programs that affect your system performance at various levels and sometimes they may damage your personal files.
How to Remove a Virus From Computer
So, it is better if you quickly remove it. In order to do so, you can use the default program of Windows OS, that is Windows Defender or Microsoft Security Essentials.
They provide the base level protection free of cost. All you need to do is.
- Go to Control Panel or Search option.
- Search for Windows Defender.
- Connect to the Internet and press update it is already activated or press turn on protection if is not turned on.
- Select quick scan option and it will do the rest of the task.
- Now you need to select what you want to do with the virus. Select Delete or Quarantine option and press Apply.
- Congratulations, your PC has been disinfected.
- Now if the problem still exists then the Virus is simply of a dangerous category. It will be better if you get a third party antivirus or Internet Security or Total Security suite as a paid or free version.
You can see the list made by PCmag, a premier website about computer software. The Best Security Suites of 2017
Personally, we prefer Symantec Norton Security Premium, it has the best antivirus, malware, rootkit etc., the engine that will guarantee you A grade security.
The process is simple, Go to the website and download the setup file. Install it and rest it will guide you on its own and your PC will be disinfected.
I suggest you run a professional anti-virus program like Malwarebytes to scan your PC and remove any suspicious files. Or you can restore the computer to a previous state that was free of the virus. If you are running Windows 7, just follow the guide in this post (What Can You Do Once Your PC Is Infected by CryptoWall 4.0 Ransomware?) to restore the system.
- Log into your computer as the administrator.
- Open Control Panel from Start menu.
- Click System and Security and click on Restore your computer to an earlier time.
- Press Open System Restore button.
- Click on the Next > and you will see a list of the restore point that you have created before. Choose the latest one that before your computer system got infected with CryptoWall 4.0 and then click on Next.
- Confirm your restore point and click on Finish.
- Click Yes to confirm your operations and start to restore the system.
- The restore is in process.
- You will see the message during the restore process. The time it takes to complete the whole process is uncertain as it depends on the system condition. You PC will automatically restart when restoring finishes.