WannaCry (WannaCrypt or Wanna Decryptor)
HIGHLIGHT: Outbreak documented in 2017
WannaCry is a ransomware program, that, after infecting computers, encrypts the files in a .wncry format. These files are encrypted with the RSA-2048 cryptosystem, making it very hard to decrypt them without the private key, which can, by the end user of the infected computer meeting certain qualifications, be found using the WanaKiwi decryptor.