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Detonating a bad rabbit: Windows Defender Antivirus and layered machine learning defenses

Detonating a bad rabbit: Windows Defender Antivirus and layered machine learning defenses

Windows Defender Antivirus uses a layered approach to protection: tiers of advanced automation and machine learning models evaluate files in order to reach a verdict on suspected malware. While Windows Defender AV detects a vast majority of new malware files ... continue reading
Microsoft teams up with law enforcement and other partners to disrupt Gamarue (Andromeda)

Microsoft teams up with law enforcement and other partners to disrupt Gamarue (Andromeda)

Today, with help from Microsoft security researchers, law enforcement agencies around the globe, in cooperation with Microsoft Digital Crimes Unit (DCU), announced the disruption of Gamarue, a widely distributed malware that has been used in networks of infected computers collectively ... continue reading

#AVGater vulnerability does not affect Windows Defender Antivirus, MSE, or SCEP

On November 10, 2017, a vulnerability called #AVGater was discovered affecting some antivirus products. The vulnerability requires a non-administrator-level account to perform a restore of a quarantined file. Windows Defender Antivirus and other Microsoft antimalware products, including System Center Endpoint ... continue reading
Windows 10 Creators Update provides next-gen ransomware protection

Windows 10 Creators Update provides next-gen ransomware protection

Multiple high-profile incidents have demonstrated that ransomware can have catastrophic effects on all of us. From personally losing access to your own digital property, to being impacted because critical infrastructure or health care services are unexpectedly unavailable for extended periods ... continue reading
Email message masquerading as a fax but carrying TrojanDownloader:JS/Crimace.A as attachment

Fake fax ushers in revival of a ransomware family

"Criminal case against you" is a message that may understandably cause panic. That’s what a recent spam campaign hopes happens, increasing the likelihood of recipients opening the malicious attachment. We recently discovered a new threat that uses email messages pretending ... continue reading
Email message masquerading as a fax but carrying TrojanDownloader:JS/Crimace.A as attachment

Fake fax ushers in revival of a ransomware family

"Criminal case against you" is a message that may understandably cause panic. That’s what a recent spam campaign hopes happens, increasing the likelihood of recipients opening the malicious attachment. We recently discovered a new threat that uses email messages pretending ... continue reading

No payment necessary: Fighting back against ransomware

Any IT professional who’s ever had an experience with malware knows how fast an intrusive attack can happen, and how difficult it can be to educate employees to be vigilant against such threats. And with ransomware attacks only growing, having ... continue reading