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Change logs for security intelligence update version 1.421.204.0

This page lists newly added and updated threat detections included in security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware. If you don’t find the latest security intelligence update version in the selector below, please refresh this page or let us know us know through the feedback smiley.

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Released on

11/10/2024 3:33:06 AM

Added threat detections

No new threat detections added in selected update

Updated threat detections

Name Severity
Backdoor:MSIL/Crysen!rfn severe
Backdoor:MSIL/Quasar!rfn severe
FriendlyFiles low
SoftwareBundler:Win32/Funshion!pz high
Trojan:JS/StrelaStealer!MTB severe
Trojan:MacOS/Multiverze severe
Trojan:MSIL/AgentTesla!rfn severe
Trojan:MSIL/SuspMsilInArcEmail.AA severe
Trojan:Script/Multiverze severe
Trojan:Win32/Bumat!rfn severe
Trojan:Win32/CryptInject!MSR severe
Trojan:Win32/Delf severe
Trojan:Win32/Formbook!rfn severe
Trojan:Win32/GuLoader.KDST!MTB severe
Trojan:Win32/ICLoader!rfn severe
Trojan:Win32/Leonem severe
Trojan:Win32/Malgent severe
Trojan:Win32/Malgent!MSR severe
Trojan:Win32/Redline!MTB severe
Trojan:Win32/Tisar.A severe
Trojan:Win32/Vmprot.GQ!MTB severe