if the vB is an old one (like 3.x.x) then it should usually be an MD5 hash, this depends though if the admin hadn't changed from MD5 to SHA-2 (since MD5 is basically a useless encryption now) If it's an MD5 hash then head over to this site >
You must login or register to view this content. and just copy your bulk passwords. You can also give this site a go if your hash is not MD5.
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