As I have seen from a website about China's nabbing crypto thieves. So, being a computer genius has a lot of advantages to get rich so easily with cryptocurrencies if they will not be caught. Unlike us who makes clean living by trading, mining, investing and bounty hunting, they tend to get easy income in their professional thieves way. Might be this is the reason why bitcoin's value is going down. Just my thoughts..
Check out the link about this news I have red.
https://sg.news.yahoo.com/china-nabs-crypto-thieves-social-120041067.htmlThere was and is that kind of viruses
most famous was virus hided in alts wallets distributed on social media btctalk etc
Many people were using free AV after downloading virus was cleaning your pc from coins
There was also very famous way to clean up online wallet like blockchain.info
I knew some people who's btc were stolen on his own eyes just before making transaction
Now you have to avoid pishing sites and double check before you download anything to your pc
good vpn is recommended.Proton VPN is very good even free version