Guys of Lab Bitdefender, don't you see? i download all those files daily from same website, and it's same filename, same size, sometimes diffrient, but even if you add those that i will sent now , - tomorrow there will be undetected,
Try to make some generic detection, like Sophos and Avira does, and these last days also AVG-antivirus.
here are more Polymorphic-samples from me daily.
I am tired to subimit polymorphic genericaly files.
/applications/core/interface/file/attachment.php?id=2831" data-fileid="2831" rel="">new.rouge.malware.polymorphic.rar