The BadBlock Ransomware is one poorly coded and horribly designed ransomware as it not only encrypts your files, but also trashes your system. Fabian Wosar of Emisoft has released a free decryptor for those who have been affected by BadBlock. For those infected with this malware, simply download decrypt_badblock.exe from the following link and save it on your desktop: In order to find your decryption key, you need to drag an encrypted file and unencrypted version of the same file onto the decryption.
Source: https://www.bleepingcomputer.com/news/security/badblock-encrypts-system-files-decryptor-released-by-emsisoft/