Nnqp ransomware is the virus that delivers the money-demanding message with the help of _readme.txt file. The ransom note is placed on the desktop once those commonly used files get locked. The encryption happens quickly, and users cannot notice the process until those files get marked with .nnqp appendix.
The Nnqp virus is a file-locker infection that makes users’ files encrypted and useless, so creates frustration and often panic. The ransom amount going close to $1000 can be demanded, as this alleged promise is stated in the note file. The message lists other things like inviting people to contact criminals and testing out the decryption tool by sending something.