The message written on the surface of the encrypted image is of immense importance. As such it shall be recovered. We managed to get the source code of the program having been used to encrypt it. Although the key is unknown, it doesn’t sound especially challenging, does it?

btsync: B4DCOVBS6YOATI63BPOJJ2RZA7ACA7CUW

link1 https://s3.amazonaws.com/volgactf/crypto/300/enc_image.png.bin

link2 https://s3.amazonaws.com/volgactf/crypto/300/encryptor.zip