Here you have to Install any one good anti-virus and, You must run a virus scan in Safe mode, because the virus worm might be running in the background, and you cannot remove it unless the computer is in Safe mode where no applications are running.
1.) Restart your computer and start-up happens quickly. When you see the first screen when your computer is rebooting, hit "F8" key.
2.) Select "Safe Mode" from the list of options. This will take you to a desktop that looks very different from your regular desktop.
3.) Run the virus scan. When any virus worms are detected, place them in quarantine or delete them. If you are unsure what to do or what the virus is infecting, always select quarantine.
4.) Allow the scan to run through everything, and then return your computer to normal operating mode if the software does not prompt you to do so. Simply restart the computer to return to normal operating mode.
5.) Reconnect your computer to the Internet and check with the anti-virus software's publisher to make sure you have the latest updates. If not, download them now
6.) After updating the anti-virus software, run it again until your computer comes up clean.
7.) After the above steps, download and run good Anti-Malware, adware, trojan remover softwares like Malwarebytes, remove it pro, hitman pro, or trojan remover etc..
Performing this will clean your system.
Kindly get back us the result to assist you further.
Thank you :-)
ISHA KRISHNA KP