crto5

GHSA-q29c-fpp6-grhw

Malicious code in crto5 (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.2.0`

## Source: kam193 (3a906f74f9672d68f42311985b67b1076e3b02caf14d8366b703d3331ff5897b)
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/crto5/MAL-2025-191708.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/crto5
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/crto5/MAL-2025-191708.json
- https://www.virustotal.com/gui/file/eb7f339a21ac7d8a5f530ba0d7278e2e5f64ee039b200c2f4ee9b98bbfad1ba6
- https://github.com/advisories/GHSA-q29c-fpp6-grhw

Compromised versions (1)

= 0.2.0

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