MAL-2025-6549

    Dashboard / Malicious Package / MAL-2025-6549

    MAL-2025-6549

    Published: 16 Jul 2025Last Modified: 19 Mar 2026

    Summary: Malicious code in memtools (PyPI)

    Details: Source: kam193 (fafb3bba871c43e80681f3c9f4618ec7547fe2295b120eb93adf31a59bf021f3) Installing the package triggers a code that looks like downloading a picture, but in fact downloads and starts an executable with malware. Note that file supplied from the URL differs depending on the presence of the special header Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2025-07-memlib Reasons (based on the campaign): - The package overrides the install command in setup.py to execute malicious code during installation. - Downloads and executes a remote executable. - malware

    References: https://www.virustotal.com/gui/file/0fc1e062c521184f7e0c9f23dfdeb5431414e35cb55886e87c5ff5ec92ff4603, https://bad-packages.kam193.eu/pypi/package/memtools

    Affected packages

    Package

    Name: memtools

    Purl: pkg:pypi/memtools

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    2.0.0