Clop's Windchill Web Shell: From Credential Decryption to Design Data Theft Inside the App 1. Basic Information Article Title : Clop Returns with Custom Implant in Mass-Extortion Campaign Publisher : ReliaQuest Threat Research Team Publication Date : 2026-08-18 Severity : Critical Original Source : ReliaQuest Related Sources : BleepingComputer , Ransom-ISAC Related Malware & Threat Groups : Clop / Cl0p, Windchill-specific JSP Web Shell ...