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pypi · Malicious package advisory

Malware

web3-py-checksum

MAL-2026-3411

Malicious code in web3-py-checksum (PyPI)

Details


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## Source: kam193 (4b2052172f5c854b2e91f6bdc9336a97469cd161372621a1880d9cd1e3ad426a)
The code silently exfiltrates the private key of a crypto account.


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


Campaign: 2026-05-old-web3-py-checksum


Reasons (based on the campaign):


 - crypto-related


 - exfiltration-crypto

Compromised versions (2)

  • 1.1
  • 1.0

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