id: cryptxxx-malware info: name: CryptXXX Malware - Detect author: daffainfo severity: info reference: https://github.com/Yara-Rules/rules/blob/master/malware/RANSOM_.CRYPTXXX.yar tags: malware,file file: - extensions: - all matchers: - type: binary binary: - "525947404A41595D52000000FFFFFFFF" - "0600000052594740405A0000FFFFFFFF" - "0A000000525C4B4D574D424B5C520000" - "FFFFFFFF0A000000525D575D5A4B4370" - "3F520000FFFFFFFF06000000524C4141" - "5A520000FFFFFFFF0A000000525C4B4D" - "41584B5C57520000FFFFFFFF0E000000" - "522A5C4B4D574D424B204C4740520000" - "FFFFFFFF0A000000525E4B5C48424149" - "5D520000FFFFFFFF05000000524B4847" - "52000000FFFFFFFF0C000000524D4140" - "48474920435D475200000000FFFFFFFF" - "0A000000525E5C41495C4F703F520000" - "FFFFFFFF0A000000525E5C41495C4F70" - "3C520000FFFFFFFF0800000052494141" - "49424B5200000000FFFFFFFF06000000" - "525A4B435E520000FFFFFFFF08000000" - "52483A4C4D703F5200000000FFFFFFFF" - "0A000000524F42425B5D4B703F520000" - "FFFFFFFF0A000000525E5C41495C4F70" - "3F520000FFFFFFFF0A000000525E5C41" - "495C4F703C520000FFFFFFFF09000000" - "524F5E5E4A4F5A4F52000000FFFFFFFF" - "0A000000525E5C41495C4F703D520000" - "FFFFFFFF08000000525E5B4C42474D52" condition: and # digest: 490a0046304402200be06227894be466ece6600d08b5c21ffe0a1c04d8297f5fd684fc66fa64f0d202203f57a1271be83715b3953f3fcc4fd08dd1d2db57240cfd5fc9a9611008574bf9:922c64590222798bb761d5b6d8e72950