I suggest contacting the vendor of your AV app.
There is also the potential the AV’s delete can be recovered using a FREE program from one of these links:
http://download.cnet.com/Restoration/3000-2094_4-10322950.html and http://www.scanwith.com/download/Undelete_Plus.htm and http://www.cgsecurity.org/wiki/PhotoRec_Step_By_Step
on a pc without the AV app.
