There are four bands named Lupus: 1) A Copenhagen based indie-pop/new wave girl band (with a male drummer though). Sounds similar to bands like That Dog and The Pipettes. Their debut album "Hold me up against the light like money" was released in 2006 on the label "White-out".
2) A hard rock band from south America.
3) A drone/dark ambient project from Hungary.
4) A Black metal band from Slovenia