weird virus help

[shoxie]

so suddenly i turned on my pc today and something weird started to happen,their was someone moving the mouse and typing some random stuff, so i downloaded avg and avast and start scanning,then i didnt see anything after that,and thats like 2 hours ago,tell me what to do and how can i know if the virus is still there. atm im doing a full scan with avast and its 0%. let me know what to do,im afraid if its still here

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[ComputerSecurityGuy]

First of all, disable your network connection. If your machine is disconnected from the internet than it probably won't be affected by any virus badly. You will probably have to do this manually. Unplug the ethernet cable in your machine or the WiFi card. You have probably been infected by a Remote Administration Tool. Delete anything downloaded on the machine recently and let the antivirus software scan. I would back up your core information, in case the "hacker" (probably what hackers call a "script kiddie") decides to do something more serious, like installing ransomware or deleting your documents. If you don't have it stopped by the scan, you can either root around in Linux or just re-install your OS replacing with backup information. Make sure, though, to back-up all your games, installed and downloaded paid software, and personal documents. Once you've reached a solution you can reconnect your machine to the internet. I hope this helps!