MysterySnail RAT exploits use-after-free vulnerability (CVE-2021-40449) in Win32 NtGdiResetDC function. This effect almost all Windows version after XP, including Windows Server.
Piolin ATM Malware was designed specifically to target US ATM machines. It was based on previously know Ploutus ATM malware.
Atom Silo Ransomware encrypt user data and ask Bitcoins of 1 million dollar worth as a ransom payment. It is targeting the Atlassian Confluence server's Remote Code Execution Vulnerability (RCE) CVE-2021-26084.
Winpot v3 is part of Winpot ATM Malware family. It turn ATM into a Spin Slot Machine.
Ranion ransomware gives naive criminals the ability to create and distribute their own ransomware, without the need for programming skills.