Already sent letters to Kaspersky & McAffee.
Kaspersky's answer:
Hello,
This message has been generated by an automatic message response system. The message contains details about verdicts that have been returned by Anti-Virus in response to the files (if any are included in the message) with the latest updates installed.
TrickyCoin-Qt.exe
An unknown file has been received. It will be sent to the Virus Lab.
Best Regards, Kaspersky Lab
Waiting for result.