some guy has hacked all of my accounts, and sent me an email to this bitcoin adress. please remove him so he can't do more/extract money out of it

Asking for ransom

Sends you a e-mail wit following text: I have to share bad news with you. Approximately few months ago I have gained access to your devices, which you use for internet browsing. After that, I have started tracking your internet activities. Some time ago I hacked you and got access to your email accounts XXXX@web.de . Obviously, I have easily hack to log in to your email. Your password: XXXXXX One week later, I have already installed Trojan virus to Operating Systems of all the devices that you use to access your email. In fact, it was not really hard at all (since you were following the links from your inbox emails). All ingenious is simple. =) This software provides me with access to all the controllers of your devices (e.g., your microphone, video camera and keyboard). I have downloaded all your information, data, photos, web browsing history to my servers. I have access to all your messengers, social networks, emails, chat history and contacts list. My virus continuously refreshes the signatures (it is driver-based), and hence remains invisible for antivirus software. Likewise, I guess by now you understand why I have stayed undetected until this letter... While gathering information about you, I have discovered that you are a big fan of adult websites. You really love visiting porn websites and watching exciting video... etc wants you to pay 600$ in bitcoin to the adress