Clipboard Hijacker Targeting Bitcoin & Ethereum Users Infects Over 300,0000 PCs June 15, 2018 https://www.bleepingcomputer.com/ne...and-ethereum-users-infects-over-300-0000-pcs/
Clipboard Hijacker Malware Monitors 2.3 Million Bitcoin Addresses June 30, 2018 https://www.bleepingcomputer.com/ne...alware-monitors-23-million-bitcoin-addresses/
You can also protect against clipboard hijackers with SpyShelter. AFAIK, malware will always need to install a so called "clipboard hook" in order to monitor and manipulate the clipboard.