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Clop created custom web shell for Windchill data theft attacks

·Source: BleepingComputer

Updated:

Executive Summary

A custom Java web shell likely linked to the Clop ransomware gang was designed specifically for PTC Windchill and FlexPLM servers, with built-in features to decrypt credentials, enumerate file repositories, and steal files. [...]

Analysis

A custom Java web shell likely linked to the Clop ransomware gang was designed specifically for PTC Windchill and FlexPLM servers, with built-in features to decrypt credentials, enumerate file repositories, and steal files. [...]
Source Attribution

Originally published by BleepingComputer on Aug 18, 2026.

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