


It informs victims that all their files (including documents, photos, databases) have been encrypted. The "_readme.txt" file provides contact and payment information. Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data: For example, it renames " 1.jpg" file to " 1.jpg.tisc", " 2.jpg" file to " 2.jpg.tisc", and so on. It blocks access to files (encrypts them) and generates a ransom note, a text file named " _readme.txt". Tisc belongs to the ransomware family called Djvu.
