Hive ransomware encrypts user data and ask them to negotiate ransom payment. It pressurize its victims by threatening them to publish their data to public. The threat actor behind are new with prior history so far.

REvil Ransomware has now a new tentacle for Linux machines. It is caught encrypting Vmware ESXi virtual machine. Linux variant has almost same functionality as of its Windows counterpart.

DJVU Ransomware belong to the family of STOP Ransomware. It had been active since 2018 but there is a decryptor available for previous version. This new variant has become one of the most widespread file-encrypting viruses of 2021.

Teabot is an Android mobile banking Trojan that is targeting users in European Banking mobile apps. It can perform overlay attacks via Android Accessibility Services, intercept messages, perform various key logging activities, steal Google Authentication codes, and even take full remote control of Android devices.

Klingon RAT is a sophisticated Go based Remote Access Trojans (RATs). It is used by threat actors to extract financial information from its victims.