Tag: Ransomware
All articles about Ransomware.
Actively exploited
BlackNevas ransomware wiped ESXi and backups after enabling SSH through vCenter Host Profiles
On 13 November 2026 Kaspersky GERT published its analysis of a BlackNevas ransomware intrusion that encrypted four ESXi hosts with every virtual machine on them, both vCenter appliances and the backup infrastructure. No VMware vulnerability was needed: credentials stolen from other systems and everyday vCenter features were enough. Here is how it unfolded, the indicators, and what to monitor.
Actively exploited
Citrus ransomware gets in through contractor accounts and spreads Sn00py by Group Policy
On 11 November 2026 Kaspersky described Citrus, a previously undocumented Russian-speaking ransomware group. It logged in with low-privilege contractor accounts, hid its traffic in VLESS tunnels disguised as Yandex, impersonated a domain controller through an AD CS flaw patched in July and finally pushed its Go-based Sn00py encryptor to the whole domain through Group Policy.
Critical
Ransomware is hitting Synology NAS devices on outdated DSM: update now
Got a Synology NAS at home or in the office? Attackers are encrypting data on devices running old DiskStation Manager (DSM) releases and demanding a ransom. They're exploiting a flaw Synology fixed back in late 2024. Check your DSM version and update.