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ARCHIVE_ENCRYPTED
What it means
The archive is password-protected with an unknown password.
Why it fires
The ZIP archive is encrypted and none of the common analysis passwords worked. The files inside could not be extracted or scanned. If you know the password, extract the files manually and upload them individually.
Other Archive heuristics
ARCHIVE_CHILD_MALICIOUS ARCHIVE_MALICIOUS_EXECUTABLE ARCHIVE_AUTOCAD_AUTOLISP_BUNDLE ARCHIVE_JAVA_RESOURCE_EXECUTABLE_LAUNCH ARCHIVE_ENCRYPTED_KNOWN_PASSWORD ARCHIVE_ENCRYPTED_SUSPICIOUS_DELIVERY ARCHIVE_TRUNCATED_EXECUTABLE_MEMBER ARCHIVE_DOCUMENT_DOUBLE_EXTENSION_EXECUTABLE ARCHIVE_ANDROID_PACKED_DYNAMIC_DEX ARCHIVE_SCAN_INCOMPLETE ARCHIVE_COMPILED_AUTOLISP_CODE ARCHIVE_CORRUPT ARCHIVE_RECOVERED_MEMBER_IOCS ARCHIVE_PE_ZIP_POLYGLOT ARCHIVE_SIZE_LIMIT ARCHIVE_TRUNCATED_PARTIAL_CONTENTS ARCHIVE_CONTAINS_EXECUTABLE ARCHIVE_ANDROID_RESOURCE_ONLY_SPLIT ARCHIVE_LIMIT ARCHIVE_LARGE_ENTRY