AJU Pharm Co., Ltd

AJU Pharm Co., Ltd was compromised in a ransomware attack attributed to win.beast in February 2026. The organization, operating in the Healthcare sector in South Korea, was added to the group's data leak site as part of an extortion campaign.

win.beast operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

AJU Pharm Co., Ltd. is a prominent South Korean total healthcare company founded in 1953. For over 70 years, it has evolved from a manufacturer of raw materials into a global pharmaceutical group specializing in prescription drugs, medical devices, and health supplements