{"success":true,"data":{"ext":"scr","name":"Screen saver","description":"Screen saver (SCR) is a Microsoft Windows file format for screen saver applications, maintained as part of the Windows executable ecosystem. It is used for animated idle displays, password-protected lock screens, and installer-distributed visual effects on legacy and current Windows systems. Because it is executable code rather than a passive media format, SCR files can carry the same security risks as other Windows programs and should be opened only from trusted sources.","mime":[],"risk_level":"High","signatures":[{"hex":"4D 5A","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"},{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":["com","cpl","dll","exe","ocx","sys"],"usage":{"python":"def is_scr(file_path: str) -> bool:\n    \"\"\"Check if file is a valid SCR by magic bytes.\"\"\"\n    signature = bytes([0x4D, 0x5A])\n    with open(file_path, \"rb\") as f:\n        return f.read(2) == signature","node":"function isSCR(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x4D, 0x5A]);\n  return buffer.subarray(0, 2).equals(signature);\n}","go":"func IsSCR(data []byte) bool {\n    signature := []byte{0x4D, 0x5A}\n    if len(data) < 2 {\n        return false\n    }\n    return bytes.Equal(data[:2], signature)\n}"},"category":"Executables"}}