Malware PteroSand: Gamaredon Malware Payload June 29, 2026 ♡Follow0 PteroSand is a malware payload delivered by Gamaredon via HTA downloaders in spear-phishing campaigns targeting Ukraine. Discovered from: Gamaredon Expands Ukraine Attacks with New Malware and Cloud Service Abuse GamaredonHTA downloadermalwarePteroSand