MAL-2026-4357

    Dashboard / Malicious Package / MAL-2026-4357

    MAL-2026-4357

    Published: 26 May 2026Last Modified: 26 May 2026

    Summary: Malicious code in helu (PyPI)

    Details: Source: kam193 (15a97c1f0e23d838c86d69a3ceae306071a9b4b8c17162a1f563aefe489ffbe4) During import, the hidden code downloads and executes the second-stage code. After performing anti-analysis checks, it downloads a malicious executable and ensures its persistence. Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2026-05-helu Reasons (based on the campaign): - obfuscation - Downloads and executes a remote malicious script. - The package contains code to detect if it is running in a sandbox environment. - Downloads and executes a remote executable. - malware - persistence - covering-tracks

    References: https://www.virustotal.com/gui/file/a14d17cd9f2e983795ed63f73373b94cb9eb047044a7b2f5269ac10c7db0499a/detection, https://bad-packages.kam193.eu/pypi/package/helu

    Affected packages

    Package

    Name: helu

    Purl: pkg:pypi/helu

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    0.2.0
    MAL-2026-4357 | CVE-DB