john-users - Vbulletin Hashes not loading

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Date: Sun, 15 Jul 2012 21:14:20 -0700 (PDT)
From: NeonFlash <psykosonik_frequenz@...oo.com>
To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com>
Subject: Vbulletin Hashes not loading

I am trying to crack Vbulletin hashes for version < 3.8.5 with a 3 byte salt.

I have formatted the hash as follows:

$dynamic_7$501652a767ad6a888b659fb1957cb063$)!!

now, I crack using:

john -w:wordlist.txt --subformat=dynamic_7 hash.txt

hash.txt contains the above hash.

It gives the error, no hashes loaded.

What might be wrong?

Do I need to specify the user id as well in the file and then specify a field-separator-char at the command line?

I thought we could load hashes into john without specifying the username as well.