{"schema_version":"1.7.3","id":"MAL-2025-192468","published":"2025-12-11T15:53:42Z","modified":"2026-02-26T10:05:38.979764Z","summary":"Malicious code in yzip (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (81477965a8a70d1ffef0d388478d3e05ef2eea54ade0a9c00ef923deb41b00cf)\nDuring initialization of the archive-support class, the package starts code from another file and downloads multi-stage malware\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2025-11-uzip\n\n\nReasons (based on the campaign):\n\n\n - Downloads and executes a remote executable.\n\n\n - obfuscation\n\n\n - malware\n","affected":[{"package":{"name":"yzip","ecosystem":"PyPI","purl":"pkg:pypi/yzip"},"versions":["0.1.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/yzip/MAL-2025-192468.json"}}],"references":[{"type":"WEB","url":"https://www.virustotal.com/gui/file-analysis/MGEwNWE0MzhlMTU3NTUxZTU1OGI4NTRkYTA2MWMxM2M6MTc2MzgzMDEyNA=="},{"type":"EVIDENCE","url":"https://www.virustotal.com/gui/file/8808a0a09c0180afe742f0265f8b42bf671bc2083dcecd47c1515f52554200d9/detection"},{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/yzip"},{"type":"WEB","url":"https://www.getsafety.com/blog-posts/extrazip-malware-campaign"}],"database_specific":{"iocs":{"ips":["77.105.161.164"],"urls":["http://77.105.161.164:3301/library","http://77.105.161.164:3301/die1"]},"malicious-packages-origins":[{"id":"pypi/2025-11-uzip/yzip","import_time":"2025-12-11T16:10:05.33283388Z","modified_time":"2025-12-11T15:53:42.930767Z","sha256":"81477965a8a70d1ffef0d388478d3e05ef2eea54ade0a9c00ef923deb41b00cf","source":"kam193","versions":["0.1.0"]},{"id":"pypi/2025-11-uzip/yzip","import_time":"2025-12-11T17:11:15.738530683Z","modified_time":"2025-12-11T15:53:42.930767Z","sha256":"e1d6b6d65166893740b44fc5d3d3333a9ad2903074ae7620a9b6a61b1c61bdf6","source":"kam193","versions":["0.1.0"]},{"id":"pypi/2025-11-uzip/yzip","import_time":"2026-02-26T09:49:02.355790877Z","modified_time":"2025-12-11T15:53:42.930767Z","sha256":"4c4132881c30775abaca8fc6f2d44ce9382b50e8d62a6b26c3410e03359baefd","source":"kam193","versions":["0.1.0"]}]},"credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}