id: petya-malware-variant-1 info: name: Petya Malware (Variant 1) - Detect author: daffainfo severity: info reference: https://github.com/airbnb/binaryalert/blob/master/rules/public/ransomware/windows/ransomware_windows_petya_variant_1.yara tags: malware,file,petya file: - extensions: - all matchers: - type: word part: raw words: - "Ooops, your important files are encrypted." - "Send your Bitcoin wallet ID and personal installation key to e-mail" - "wowsmith123456@posteo.net. Your personal installation key:" - "Send $300 worth of Bitcoin to following address:" - "have been encrypted. Perhaps you are busy looking for a way to recover your" - "need to do is submit the payment and purchase the decryption key." condition: or # digest: 4b0a0048304602210084c742f95c8f61e60f9d2a9beb267e5daaec072b3fd36ccc733a70e01f2d1c9b02210086b0e7826a6055cca4010e7d175a1d1796e92e78392461f81c8ad5ce12d4d40e:922c64590222798bb761d5b6d8e72950