MAL-2026-3246

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/win-update-helper-tool-v2/MAL-2026-3246.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-3246
Published
2026-05-03T12:32:29Z
Modified
2026-05-03T13:03:38.731501Z
Summary
Malicious code in win-update-helper-tool-v2 (PyPI)
Details

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

Source: kam193 (251972769752a77d15c86627fe078560c49ce79a47bcc4542128386eb5362342)

If run as a module, the code runs code to silently control the device via Telegram bot (execute commands, exfiltrate files).

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

Campaign: 2026-05-system-update-tool

Reasons (based on the campaign):

  • rat

  • The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

  • files-exfiltration

  • peristence-autorun

  • persistence

  • impersonation

Database specific 
{
    "malicious-packages-origins": [
        {
            "sha256": "251972769752a77d15c86627fe078560c49ce79a47bcc4542128386eb5362342",
            "import_time": "2026-05-03T12:50:01.21104587Z",
            "modified_time": "2026-05-03T12:34:26.459368Z",
            "versions": [
                "1.0.0"
            ],
            "id": "pypi/2026-05-system-update-tool/win-update-helper-tool-v2",
            "source": "kam193"
        }
    ]
}
References
Credits

Affected packages

PyPI / win-update-helper-tool-v2

Package

Name
win-update-helper-tool-v2
View open source insights on deps.dev
Purl
pkg:pypi/win-update-helper-tool-v2

Affected ranges

Affected versions

1.*
1.0.0

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/win-update-helper-tool-v2/MAL-2026-3246.json"