The WannaCry decryptor tools work on the majority of Windows systems affected by the ransomware; this includes Windows XP, Windows 7, Windows 2003 and Windows 2008 systems. The caveat is that the WannaCry decryptor tool requires the infected system to still have, in memory, the associated prime numbers that were used by the malware to create the RSA key pairs to encrypt the data.
The two tools that can be used to decrypt WannaCry files are WannaKey and WanaKiwi. The WanaKiwi tool took the ideas of the WannaKey decryptor and added documentation and an easier method of deployment. Read my article below:
*** This is a Security Bloggers Network syndicated blog from Frontline Sentinel authored by Matthew Pascucci. Read the original post at: http://feedproxy.google.com/~r/frontlinesentinel/qMCv/~3/B8iUIa2qdRI/could-wannacry-decryptor-work-on-other.html