The term proboscis worm is identified in base64 scheme by the sequence cHJvYm9zY2lzIHdvcm0=, while the MD5 signature is equal to b83f5c7e51d8e8153d27ed774c14bcab. The ASCII encoding of proboscis worm in hexadecimal notation is 70726f626f7363697320776f726d.