The Necurs botnet has just opened the spam floodgates again and is pumping out fake documents that deliver Locky ransomware right before going into the weekend. The attack relies on users opening up malicious attachments that will appear legitimate. Personal files are encrypted with the.osiris extension and the crooks are asking 0.5 Bitcoin ($623 at the time of writing) to recover them. Malwarebytes protects against this attack at various layers including macro and ransomware mitigation, and neither of those required any signature update.”]