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pypi · Malicious package advisory

Malware

fontcase

MAL-2026-17862

Malicious code in fontcase (PyPI)

Details


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## Source: kam193 (9e2c4992e5295f2b094f3c7c2b2e6c2dbc8d0d9ca6242d58318e6e1b83a4255c)
During import, the package downloads and executes an infostealer.


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2026-10-fontcase


Reasons (based on the campaign):


 - infostealer


 - Downloads and executes a remote executable.


 - uses-telegram-bot


 - exfiltration-browser-data


 - exfiltration-credentials

Compromised versions (3)

  • 0.1.0
  • 0.1.1
  • 0.1.2

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.