MAL-2026-13490
Malicious code in fast-hashes (PyPI)
Details
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## Source: kam193 (658a96d4157086ae099c38b27ef8fb7d1664956a251f21d55a9d8cb208c0a8fc) Package imitates name of a popula library. During installation, obfuscated code downloads a malicious executable and starts it. It then exfiltrates at least cryptocurrency wallet data, probably more.
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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-08-flasq
Reasons (based on the campaign):
- typosquatting
- The package overrides the install command in setup.py to execute malicious code during installation.
- exfiltration-generic
- Downloads and executes a remote executable.
- obfuscation
- exfiltration-crypto
Are you affected?
Enter the version of the package you're using.
Affected packages
No fixed version published yet for fast-hashes (pip). Pin to a known-safe version or switch to an alternative.