Forums / Cotonti / Support / plugins/markitup/js/jqModal.js>: detected: virus 'HEUR:Exploit.Script.Generic' (modification).

Many anti-virus programs do that, no surprise. I have compared your jqModal with the source file and they are identical. You can check it with other anti-virus software too (like I did with ClamAV), but I suppose that was a KAV mistake.