根据WannaRen勒索病毒作者提供的密钥,国内各杀毒公司已制作出解密工具。

火绒WannaRen专用解密工具 https://www.huorong.cn/download/tools/wannaren_decryptor/HRDecryptor.exe
360Wannaren 勒索专用在线解密 http://www.360.cn/wannaren/

附1、WannaRen勒索病毒解密密钥
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----