mal-2026-5088
Vulnerability from ossf_malicious_packages
Published
2026-05-30 14:47
Modified
2026-05-31 03:16
Summary
Malicious code in crypto-helper (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: kam193 (bbb379240ef7e43770f6dab576919fa97bd23ffbb8d3e39b31fd656649335fd7)

During installation, the code tamper with security settings and downloads and executes malicious executable.


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

Campaign: 2026-05-cryptolock

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

Credits

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "crypto-helper"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "credits": [
    {
      "contact": [
        "https://github.com/kam193",
        "https://bad-packages.kam193.eu/"
      ],
      "name": "Kamil Ma\u0144kowski (kam193)",
      "type": "REPORTER"
    }
  ],
  "database_specific": {
    "iocs": {
      "urls": [
        "https://github.com/seIfrighteous/x/releases/download/selfrighteous/setup.exe",
        "https://tmpfiles.org/dl/wVwFfznUQdRr/main.exe"
      ]
    },
    "malicious-packages-origins": [
      {
        "id": "pypi/2026-05-cryptolock/crypto-helper",
        "import_time": "2026-05-30T15:30:45.944798738Z",
        "modified_time": "2026-05-30T14:47:44.03538Z",
        "sha256": "bbb379240ef7e43770f6dab576919fa97bd23ffbb8d3e39b31fd656649335fd7",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      },
      {
        "id": "pypi/2026-05-cryptolock/crypto-helper",
        "import_time": "2026-05-31T03:15:08.074029908Z",
        "modified_time": "2026-05-30T14:47:44.03538Z",
        "sha256": "326abfde38f0eaca266ee75161031f109c667f6c30ab1ab6624c800b3cd84d34",
        "source": "kam193",
        "versions": [
          "1.0.0"
        ]
      }
    ]
  },
  "details": "\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (bbb379240ef7e43770f6dab576919fa97bd23ffbb8d3e39b31fd656649335fd7)\nDuring installation, the code tamper with security settings and downloads and executes malicious executable.\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2026-05-cryptolock\n\n\nReasons (based on the campaign):\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n\n\n - Downloads and executes a remote executable.\n\n\n - malware\n",
  "id": "MAL-2026-5088",
  "modified": "2026-05-31T03:16:16Z",
  "published": "2026-05-30T14:47:44Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bad-packages.kam193.eu/pypi/package/crypto-helper"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.virustotal.com/gui/file/0912542c6e3a6b747a5bb30de22c1b79ead35c5a9a6813dcd8a6056cc312b892/detection"
    }
  ],
  "schema_version": "1.7.4",
  "summary": "Malicious code in crypto-helper (PyPI)"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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