crpt1

GHSA-jhcx-hqmc-c9j3

Malicious code in crpt1 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (32fcd21a633d14f2794d9038f21c5ba7ecb5178bdb7205e6b0a90e4fc87486b2)
Importing the module starts downloading or decrypting, and then executing an executable being a wide recognized malware/Infostealer (Redline family)


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


Campaign: 2025-07-crpt


Reasons (based on the campaign):


 - infostealer


 - Downloads and executes a remote executable.


 - Downloads and executes a remote malicious script.


 - exfiltration-crypto


 - malware

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/crpt1/MAL-2025-6486.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/crpt1
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/crpt1/MAL-2025-6486.json
- https://www.virustotal.com/gui/file/eb7f339a21ac7d8a5f530ba0d7278e2e5f64ee039b200c2f4ee9b98bbfad1ba6
- https://github.com/advisories/GHSA-jhcx-hqmc-c9j3

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.