Install an antivirus software if it’s not already installed on your computer. Update its virus definitions immediately. There are some free antivirus softwares available in the market, however, it is recommended to purchase a paid version as it offers complete security for your computer.
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Run a complete computer inspection to scan your computer for viruses. Depending on the speed of your computer and the size of the hard disk, it may take from a few minutes time to an hour or two. Make yourself a cup of coffee and relax.
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Antivirus will display the list of all detected malware in your computer on the completion of the scan, and then ask for the course of action from you. Delete them or add them to the quarantine folder. Your computer is now safe from all viruses.
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However, sometimes the computers get infected with a strong virus that does not even allow the antivirus software to run a scan or delete it. These type of viruses needs to be deleted manually. Open your task manager and look for unknown programs that are consuming a large chuck of your computer memory.
Kill the tasks and then run the virus scan again, if it’s still not working, try removing it through regedit if you are comfortable in handling the Windows registry.