Happy Ransomware encrypts user data using AES, and ask ransom to recover files. Original file name is T1, but it is not indicated in the lock-note. The file says: T1.exe. Encrypted files have .happy extension.
T1 Happy Ransomware Signatures
Family: TR/Dropper.MSIL.Gen
MD5: 64f11aee7f21ec74a3f8f518e45c6d55
SHA256: 9da7d298691613a398e26ac3c4c4e4e9c93069d2162fa6639901dd7c62774ef5
T1 Happy Ransomware Download