Most of crypto people use Telegram since exchanges and ICOs make groups there to speak.
Lately there was found an exploit. If you download any file with .scr ending it will actually be .exe and usual malware to steal your coins.
To keep it short, it is Screensaver Malware: Using .scr Executables that Windows can run.
Today group of KuCoin was hacked and malware was spread there.
Exchange itself is fine so dont be scared to trade there.
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