In my experience: first there will be letters from a non-existent address, they will continue for several weeks, where it will be said that they have hacked your account and learned the password.They do not know what kind of password, email or social network account is. You must immediately change your password in the mail or in the social network set, just in case.The letter can come from your own address and do not panic, this is called spoofing.You can read the FAQ of this site.When sending emails, they use the browser Thor.It is clear that no one will believe them.The most interesting thing Begins when someone transfers money to a BTC-sent address.The victim looks at the transaction and thinks that this hacker really is not joking. I think the members of the hacker group produce the first transmission to the address in order to create the impression of truth. Do not respond to emails so that they cannot capture the IP address of your PC. Remember that they have nothing about you!