VYPR

pypi · Malicious package advisory

Malware

pywin-simple-gui

MAL-2026-933

Malicious code in pywin-simple-gui (PyPI)

Details


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## Source: kam193 (43b40c0dbbbc187822a28a401194873adc73d13e531f2789c4227374f7ec9e26)
The package pretends to be a development helper but, in fact, downloads a remote executable. Dynamic analysis reveals actions like disabling Windows Defender and interest in cryptocurrencies as well as using Telegram as C2.


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


Campaign: 2026-02-pywin-simple-gui


Reasons (based on the campaign):


 - impersonation


 - Downloads and executes a remote executable.


 - modify-system-without-consent


 - crypto-related

Compromised versions (1)

  • 1.0.0

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