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Change logs for security intelligence update version 1.443.572.0

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

1/9/2026 2:28:55 AM

Added threat detections

Name Severity
Behavior:MacOS/SuspAmosExecution.C severe
DoS:Win32/WprLandblan.B!dha severe
DoS:Win32/WprLandblan.C!dha severe
DoS:Win32/WprLandblan.E!dha severe
HackTool:Win32/Patcher.B!AMTB high
Ransom:Win64/FileCoder.C!AMTB severe
Ransom:Win64/FileLocker!MTB severe
Trojan:HTML/DeepSeekStealer.GVA!MTB severe
Trojan:HTML/Redirector.GR!MTB severe
Trojan:JS/ChatGPTStealer.GVA!MTB severe
Trojan:JS/Redirector.ZNH!MTB severe
Trojan:JS/Remcosrat.BA!MTB severe
Trojan:MSIL/FormBook.SJ!MTB severe
Trojan:MSIL/LockScreen.SPIC!MTB severe
Trojan:MSIL/Zusy.SWQR!MTB severe
Trojan:PowerShell/NjRAT.SPS!MTB severe
Trojan:PowerShell/PowDow.DG!MTB severe
Trojan:Python/Stealer.SLIJ!MTB severe
Trojan:VBS/Guloader.SI!MTB severe
Trojan:Win32/Amatera.AMT!MTB severe
Trojan:Win32/BypassUAC.MK!MTB severe
Trojan:Win32/ClickFix.HAQ!MTB severe
Trojan:Win32/ClickFix.HAR!MTB severe
Trojan:Win32/ClickFix.HAU!MTB severe
Trojan:Win32/ClickFix.HAV!MTB severe
Trojan:Win32/ClickFix.HAW!MTB severe
Trojan:Win32/ClickFix.HAX!MTB severe
Trojan:Win32/Usbllo!MTB severe
Trojan:Win32/Vidar.SCPC!MTB severe
Trojan:Win64/DaveShell!MTB severe
Trojan:Win64/Dridex.MK!MTB severe
Trojan:Win64/Fugrafa!MTB severe
Trojan:Win64/Lazy.MKI!MTB severe
Trojan:Win64/QuasarRAT.B!AMTB severe
Trojan:Win64/RootKit.MK!MTB severe
Trojan:Win64/ShellCode.MKA!MTB severe
Trojan:Win64/ShellcodeRunner.CI!MTB severe

Updated threat detections

Name Severity
Behavior:Win32/ASRUsbCopiedRenamed severe
Behavior:Win32/BlockOfficeCreateExeContentTracking severe
Behavior:Win32/CVE-2025-14847.A!MTB severe
Behavior:Win32/VulDriverAsrTracking severe
DoS:Win32/WprLandblan.A!dha severe
FriendlyFiles low
HackTool:Win32/GameHack!MSR high
HackTool:Win32/Loader!MTB high
HackTool:Win64/Malgent!MSR high
Misleading:Win64/Malgent!AMTB high
Ransom:Win64/FileLocker!MTB severe
Trojan:BAT/Alien.SES!MTB severe
Trojan:HTML/Phish.SLAQ!MTB severe
Trojan:JS/Redirector.ZNH!MTB severe
Trojan:Win32/Alien!MTB severe
Trojan:Win32/ClickFix.HQ!MTB severe
Trojan:Win32/Fugrafa!MTB severe
Trojan:Win32/Jaik!MTB severe
Trojan:Win32/Malgent severe
Trojan:Win32/Malgent!MSR severe
Trojan:Win32/MalInject.A severe
Trojan:Win32/Neoreblamy!MTB severe
Trojan:Win32/Neoreblamy.NFL!MTB severe
Trojan:Win32/Neoreblamy.NMR!MTB severe
Trojan:Win32/Neoreklami!MTB severe
Trojan:Win32/PersistInStartupDir.A severe
Trojan:Win32/PersistInStartupDir.B severe
Trojan:Win32/PersistInStartupDir.C severe
Trojan:Win32/SparkOnSoft!MTB severe
Trojan:Win32/Tedy!MTB severe
Trojan:Win32/TurtleLoader severe
Trojan:Win32/Zusy!MTB severe
Trojan:Win64/Barys!MTB severe
Trojan:Win64/Dacic!MTB severe
Trojan:Win64/DaveShell!MTB severe
Trojan:Win64/DLLHijack!MTB severe
Trojan:Win64/DonutLoader.ADN!MTB severe
Trojan:Win64/Lazy!MTB severe
Trojan:Win64/Loader!MTB severe
Trojan:Win64/Malgent!MSR severe
Trojan:Win64/Neoreklami!MTB severe
Trojan:Win64/PyShell!MTB severe
Trojan:Win64/Rhadamanthys!MTB severe
Trojan:Win64/ShellcodeRunner.CH!MTB severe
Trojan:Win64/Tedy!MTB severe
Trojan:Win64/Zusy!MTB severe
TrojanDownloader:Win64/CobaltStrike!MTB severe