We've just searched Paul_Axe's Moscow apartment and found an encrypted image
named 'derrorim_enc.bmp' on his desktop. Also there was some utility for image
encryption - ShadeIt9000, but we couldn't find a decryptor. Please, help us to
decrypt this image.

http://shell-storm.org/repo/CTF/PHDays-Quals-2014/ShadeIt9000-3000pts/