OysterLoader: Multi-Stage Loader Evolves to Evade Detection and Deliver Ransomware Malware OysterLoader: Multi-Stage Loader Evolves to Evade Detection and Deliver Ransomware Do Son February 16, 2026 0 A detailed analysis by the Sekoia TDR team has shed new light on OysterLoader, a sophisticated malware... Read More Read more about OysterLoader: Multi-Stage Loader Evolves to Evade Detection and Deliver Ransomware