ClamWin doesn't detect it yet, and the site for the project says that it's possible to help by submitting samples of undetected viruses and spyware. This one relies on social engineering to spread, and outputs the following:

following the Email address of the person it is sent to.

If you have a sample of the malware file, please visit the Clam AV submission site and upload it to Clam from there. The upload process begins at https://www.clamav.net/lang/en/sendvirus/ on the web. That is where you can submit all undetected viruses and false positives. Clam AV furnishes the scan engine and signature database for ClamWin.

Regards,