Keep getting this message from Thunderbird

nbctcp

I keep getting this message every 1hr

?

1. is that old email or new email
2. if old email. can I scan Thunderbird all at once

====

Infected file detected

now

Feature:

Antivirus

The file C:\Users\nbctc\AppData\Local\Temp\newmsg is infected with Generic.IQYDownloader.2.65707B72. The threat has been successfully blocked, your device is safe.