The email talks about vulnerabilities, hackers, a new "security measure" developed by Microsoft, and says that all Microsoft users are "required to validate there [sic] email account information":
Unfortunately, those who are tricked into downloading the attached Microsoft_STF_install.zip file will not get "updated on Microsoft security database," but will be saddled with malware.
Remember: never download attachments from unsolicited emails - no matter how legitimate they look and what dire consequences they predict will happen if you don't.
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