Change logs for security intelligence update version 1.457.372.0

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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Security intelligence update version

Released on

8/27/2026 10:36:33 PM

Added threat detections

Name	Severity
Behavior:Win32/Mamadut.IS	severe
Behavior:Win32/Stealer.HAB!sms	severe
Behavior:Win64/SlivLoad.STB	severe
Exploit:Linux/SnmpTrapCmdInject.A	severe
Trojan:JS/Cryxos.HCA!ams	severe
Trojan:Win32/ICLoader.GA!MTB	severe

Updated threat detections

Name	Severity
Adware:MacOS/Multiverze!rfn	high
Adware:Win32/Multiverze!rfn	high
Backdoor:MSIL/Bladabindi!rfn	severe
Backdoor:MSIL/DCRat!rfn	severe
Backdoor:PHP/Remoteshell.A	severe
Backdoor:Win32/Farfli!rfn	severe
Behavior:Win32/Mamadut.CZ	severe
Behavior:Win32/Mamadut.HA	severe
Behavior:Win64/SlivLoad.STA	severe
Behavior:Win64/WTOpensPWSH.A	severe
DoS:AndroidOS/Multiverze!rfn	severe
HackTool:AndroidOS/Mesploit!rfn	high
HackTool:Linux/Fscan.A!MTB	high
HackTool:MSIL/BruteForce	high
HackTool:PowerShell/BloodHound	high
HackTool:Win32/crack	high
HackTool:Win32/Crack!MTB	high
HackTool:Win32/Crack.AVN!MTB	high
HackTool:Win32/Dnscat!rfn	high
HackTool:Win32/Keygen	high
HackTool:Win32/Keygen!AMTB	high
HackTool:Win32/Keygen!MSR	high
HackTool:Win32/Malgent!MSR	high
HackTool:Win32/Patcher	high
HackTool:Win32/PsAttack!rfn	high
HackTool:Win32/RemoteAdmin	high
HackTool:Win32/Tnega	high
HackTool:Win32/VMProtect!MTB	high
HackTool:Win64/Gamehack!MTB	high
HackTool:Win64/Malgent!MTB	high
Misleading:Win32/Lodi	high
Program:Linux/Multiverze!rfn	high
Program:Script/Multiverze!rfn	high
Ransom:Linux/Babuk!rfn	severe
Ransom:Linux/BlackSuit!rfn	severe
Ransom:Win32/BastaLoader!rfn	severe
Ransom:Win32/DragonForce!rfn	severe
Spyware:Script/Multiverze!rfn	high
Trojan:AIMCP/PromptInjection.A!Hook	severe
Trojan:AndroidOS/Autopay!rfn	severe
Trojan:AndroidOS/AVerseFalc!rfn	severe
Trojan:AndroidOS/BTMOBRat!rfn	severe
Trojan:AndroidOS/FakeApp!rfn	severe
Trojan:AndroidOS/Hiddapp!rfn	severe
Trojan:AndroidOS/Spynote!rfn	severe
Trojan:BAT/Starter.G!lnk	severe
Trojan:HTML/Redirector!rfn	severe
Trojan:JS/Cryxos!rfn	severe
Trojan:JS/Cryxos.HBZ!ams	severe
Trojan:JS/Formbook.H!MTB	severe
Trojan:JS/ModiLoader.H!MTB	severe
Trojan:Linux/Multiverze!rfn	severe
Trojan:MacOS/Multiverze!rfn	severe
Trojan:MSIL/AgentTesla!rfn	severe
Trojan:MSIL/Lazy!rfn	severe
Trojan:MSIL/Rozena!rfn	severe
Trojan:MSIL/Samas!rfn	severe
Trojan:NPM/Stealer!AMTB	severe
Trojan:O97M/DDownloader!rfn	severe
Trojan:O97M/Madeba!rfn	severe
Trojan:PHP/WebshellLoader!AMTB	severe
Trojan:Python/Multiverze!rfn	severe
Trojan:Script/Multiverze!rfn	severe
Trojan:VBS/Emotet!rfn	severe
Trojan:VBS/Pterodo!rfn	severe
Trojan:Win32/Alevaul!rfn	severe
Trojan:Win32/AntiVM!MTB	severe
Trojan:Win32/Cerber!rfn	severe
Trojan:Win32/Copak.GPAC!MTB	severe
Trojan:Win32/Cryware!rfn	severe
Trojan:Win32/DllInject!rfn	severe
Trojan:Win32/Egairtigado!rfn	severe
Trojan:Win32/Fauppod!rfn	severe
Trojan:Win32/Kepavll!rfn	severe
Trojan:Win32/Leonem!rfn	severe
Trojan:Win32/Malgent	severe
Trojan:Win32/Malgent!AMTB	severe
Trojan:Win32/Malgent!MSR	severe
Trojan:Win32/Mamson.A!ac	severe
Trojan:Win32/MereTam!rfn	severe
Trojan:Win32/Meterpreter!rfn	severe
Trojan:Win32/PlugX!rfn	severe
Trojan:Win32/Pomal!rfn	severe
Trojan:Win32/Qakbot!rfn	severe
Trojan:Win32/QBotCrypt!rfn	severe
Trojan:Win32/Qwexlafiba!rfn	severe
Trojan:Win32/Ravartar!rfn	severe
Trojan:Win32/Rozena!rfn	severe
Trojan:Win32/Seheq!rfn	severe
Trojan:Win32/Suschil!rfn	severe
Trojan:Win32/VMProtect	severe
Trojan:Win32/Wacatac	severe
Trojan:Win32/Wacatac.A!rfn	severe
Trojan:Win32/Yomal!rfn	severe
Trojan:Win32/Zloader!rfn	severe
Trojan:Win32/Znyonm!rfn	severe
Trojan:Win32/Zusy!rfn	severe
Trojan:Win64/DLLHijack!rfn	severe
Trojan:Win64/Emotetcrypt!rfn	severe
Trojan:Win64/Lazy!MTB	severe
Trojan:Win64/OysterLoader!rfn	severe
Trojan:Win64/Qakbot!rfn	severe
Trojan:Win64/Tedy!MTB	severe
Trojan:Win64/ValleyRat.AR!MTB	severe
Trojan:Win64/ValleyRat.DR!MTB	severe
Trojan:Win64/Vidar!rfn	severe
Trojan:Win64/Vidar.ND!MTB	severe
Trojan:Win64/Yogi!MTB	severe
Trojan:Win64/ZLoader!rfn	severe
TrojanDownloader:BAT/QakBotLoader!rfn	severe
TrojanDownloader:O97M/Donoff!MSR	severe
TrojanDownloader:O97M/Emotet!rfn	severe
TrojanDownloader:Win32/ClickFixMshta.A	severe
TrojanDownloader:Win32/Rugmi!MTB	severe
TrojanDropper:Win32/Malgent!MSR	severe
TrojanSpy:AndroidOS/Spynote!rfn	severe
TrojanSpy:MSIL/AgentTesla!rfn	severe
Worm:Win32/Citeary!rfn	severe