The situationw as resolved as I wrote a week ago.
Please have a look at the post above yours. The False positive detection was remedieted within 24 hours as mentioned. The detection is no longer present in our signatures.
Thanks for the message.
Please go to the alert and see the path of the file. Add the file to a password protected arhive (pass:infected) and send it to us at: firstname.lastname@example.org
We will analyze the file and then see why it keeps coming back.
More details about the process can be read here: