New Linux-Based Ransomware Cheerscrypt Targets ESXi Devices

Tremd Micro researchers recently observed multiple Linux-based ransomware detections that malicious actors launched to target VMware ESXi servers, a bare-metal hypervisor for creating and running several virtual machines (VMs) that share the same hard drive storage. Trend Micro encountered Cheerscrypt, a new ransomware family, that has been targeting a customer’s ESXi server used to manage VMware files.

In the past, ESXi servers were also attacked by other known ransomware families such as LockBit, Hive, and RansomEXX as an efficient way to infect many computers with ransomware.

This blog entry provides an overview of Cheerscrypt’s infection routine based on the information Trend Micro researchers have gathered so far.

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Source: Trend Micro