What mode is md5(md5($pass).$salt) salt is > 30char and < 30char
I have md5(md5($pass).$salt) to decrypt but salt is not 30 char is more or less them hascat giveme error lenght what mode is md5(md5($pass).$salt)  and not check length salt
Can you rephrase the question? I can't figure out what you're asking.
I think he's talking about cracking vbull hashes. You can crack them with hashcat v4.0.1 in mode 2611 (not 2711) when not using -O.