obfuscation

{"modified":"2026-05-31T13:13:57Z","published":"2026-05-31T13:13:56Z","schema_version":"1.7.4","id":"MAL-2026-5100","summary":"Malicious code in obfuscation (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (9a6d747918a89b433d6b670595d6b8d3049f49a69762c3e483d4f0f9dbeb81a3)\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","affected":[{"package":{"ecosystem":"PyPI","name":"obfuscation"},"versions":["3.23.0","3.23.2","3.23.3"]}],"references":[{"type":"EVIDENCE","url":"https://www.virustotal.com/gui/file/0912542c6e3a6b747a5bb30de22c1b79ead35c5a9a6813dcd8a6056cc312b892/detection"},{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/obfuscation"}],"credits":[{"name":"Kamil Mańkowski (kam193)","type":"REPORTER","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]}],"database_specific":{"iocs":{"urls":["https://github.com/seIfrighteous/x/releases/download/selfrighteous/setup.exe","https://tmpfiles.org/dl/wVwFfznUQdRr/main.exe","https://github.com/seIfrighteous/x/releases/download/selfrighteous/NisSrv.exe","https://github.com/seIfrighteous/x/releases/download/selfrighteous/MpClient.dll"]},"malicious-packages-origins":[{"id":"pypi/2026-05-cryptolock/obfuscation","import_time":"2026-05-31T14:36:54.229591627Z","modified_time":"2026-05-31T13:13:57.039494Z","sha256":"9a6d747918a89b433d6b670595d6b8d3049f49a69762c3e483d4f0f9dbeb81a3","source":"kam193","versions":["3.23.0","3.23.2","3.23.3"]}]}}