Malicious fake Firefox update spam run

Fake notices about a Firefox update are again targeting the browser’s users, says Sophos.

A rather plain message supposedly coming from Mozilla instructs users to follow the included link in order to download the “update”:

The offered file is, predictably, a piece of malware – a downloader Trojan, to be exact.

Users are, once again, urged not to follow links or download attachments contained in unsolicited emails, and to remember that Firefox updates itself automatically.