Change logs for security intelligence update version 1.463.198.0

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

11/8/2026 7:16:58 PM

Added threat detections

Name	Severity
Trojan:AndroidOS/Clicker.T	severe
Trojan:MSIL/Darktortilla.PU!MTB	severe
Trojan:PowerShell/Obfuse.MW!MTB	severe
Trojan:PowerShell/Obfuse.ZE!MTB	severe
Trojan:Win32/Grandoreiro.GM!MTB	severe
Trojan:Win32/Guildma.GK!MTB	severe

Updated threat detections

Name	Severity
Adware:Win32/Tnega	high
Backdoor:Java/Dirtelti!rfn	severe
Backdoor:Linux/Mirai!rfn	severe
Backdoor:Linux/Multiverze!rfn	severe
Backdoor:MSIL/AsyncRAT!rfn	severe
Backdoor:MSIL/Bladabindi!rfn	severe
Backdoor:MSIL/Quasar!rfn	severe
Backdoor:MSIL/XWorm!rfn	severe
Backdoor:Python/ReverseShell!AMTB	severe
Exploit:Linux/DirtyFrag!rfn	severe
HackTool:Python/Impacket!rfn	high
HackTool:Win32/Keygen	high
HackTool:Win32/NSudo.A	high
Misleading:Win32/Malgent!AMTB	high
Program:MacOS/Multiverze!rfn	high
Program:Python/Multiverze!rfn	high
Program:Script/Multiverze!rfn	high
PWS:Python/Multiverze!rfn	severe
PWS:Win32/Fareit!rfn	severe
Ransom:Win32/Basta!rfn	severe
Ransom:Win32/BlackCat!rfn	severe
Ransom:Win32/ContiCrypt!rfn	severe
Ransom:Win32/DragonForce!rfn	severe
Ransom:Win32/Genasom!rfn	severe
Ransom:Win32/MedusaLocker!rfn	severe
Ransom:Win32/Prestige!rfn	severe
Ransom:Win64/Filecoder!rfn	severe
Ransom:Win64/Gentlemen!rfn	severe
Ransom:Win64/Magniber!rfn	severe
Ransom:Win64/NightSpire!rfn	severe
Ransom:Win64/StormEncryptor!rfn	severe
Spyware:AndroidOS/Multiverze!rfn	high
SupportScam:Win32/Screcwon!AMTB	severe
Trojan:AndroidOS/AVerseFalc!rfn	severe
Trojan:AndroidOS/Multiverze!rfn	severe
Trojan:BAT/LNK_DarkGate!rfn	severe
Trojan:BAT/Runner!rfn	severe
Trojan:HTML/Pterodo!rfn	severe
Trojan:JS/AgentTesla!rfn	severe
Trojan:JS/QakbotLNK!rfn	severe
Trojan:JS/Tnega!rfn	severe
Trojan:Linux/Multiverze!rfn	severe
Trojan:MSIL/AgentTesla!rfn	severe
Trojan:MSIL/ClipBanker!rfn	severe
Trojan:MSIL/Jalapeno!rfn	severe
Trojan:MSIL/Odbijen!rfn	severe
Trojan:MSIL/Odbijen.A	severe
Trojan:MSIL/Umbral!rfn	severe
Trojan:MSIL/XWorm!rfn	severe
Trojan:MSIL/XWormRAT!rfn	severe
Trojan:NPM/Multiverze!rfn	severe
Trojan:O97M/DDownloader!rfn	severe
Trojan:PDF/Phish!AMTB	severe
Trojan:PDF/Phish!MSR	severe
Trojan:PDF/Phish!rfn	severe
Trojan:PowerShell/Obfuse.ZT!MTB	severe
Trojan:Python/Multiverze!rfn	severe
Trojan:Script/Multiverze!rfn	severe
Trojan:VBS/Emoter!rfn	severe
Trojan:VBS/Emotet!rfn	severe
Trojan:VBS/Qakbot!rfn	severe
Trojan:Win32/Astaroth!rfn	severe
Trojan:Win32/Casdet!rfn	severe
Trojan:Win32/Cerber!rfn	severe
Trojan:Win32/CerberCrypt!rfn	severe
Trojan:Win32/CryptInject!rfn	severe
Trojan:Win32/Cryware!rfn	severe
Trojan:Win32/Danabot!rfn	severe
Trojan:Win32/DarkStealer!rfn	severe
Trojan:Win32/Delf!rfn	severe
Trojan:Win32/DllInject!rfn	severe
Trojan:Win32/Dridex!rfn	severe
Trojan:Win32/DSSDetection	severe
Trojan:Win32/Egairtigado!rfn	severe
Trojan:Win32/Emotet!rfn	severe
Trojan:Win32/Etset!rfn	severe
Trojan:Win32/Farfli!rfn	severe
Trojan:Win32/Fauppod!rfn	severe
Trojan:Win32/FileCoder!rfn	severe
Trojan:Win32/Floxif!rfn	severe
Trojan:Win32/Fragtor!rfn	severe
Trojan:Win32/GhostRat!rfn	severe
Trojan:Win32/Grandoreiro!rfn	severe
Trojan:Win32/IcedIdLNK!rfn	severe
Trojan:Win32/Kepavll!rfn	severe
Trojan:Win32/KoiLoader!rfn	severe
Trojan:Win32/Leonem!rfn	severe
Trojan:Win32/Malagent!rfn	severe
Trojan:Win32/Malgent	severe
Trojan:Win32/Malgent!MSR	severe
Trojan:Win32/MereTam!rfn	severe
Trojan:Win32/Mikey!rfn	severe
Trojan:Win32/Motil.A!MTB	severe
Trojan:Win32/MyDoom!rfn	severe
Trojan:Win32/NabucurObfs!rfn	severe
Trojan:Win32/Pomal!rfn	severe
Trojan:Win32/PureRat!rfn	severe
Trojan:Win32/Qakbot!rfn	severe
Trojan:Win32/Qbot!rfn	severe
Trojan:Win32/Qwexlafiba!rfn	severe
Trojan:Win32/Ravartar!rfn	severe
Trojan:Win32/Rozena!rfn	severe
Trojan:Win32/SalatStealer!rfn	severe
Trojan:Win32/Seheq!rfn	severe
Trojan:Win32/ShortSeek!rfn	severe
Trojan:Win32/Suschil!rfn	severe
Trojan:Win32/Tiggre!rfn	severe
Trojan:Win32/TurtleLoader!rfn	severe
Trojan:Win32/Urelas!rfn	severe
Trojan:Win32/ValleyRAT!rfn	severe
Trojan:Win32/Vankul!rfn	severe
Trojan:Win32/Vilsel!rfn	severe
Trojan:Win32/Wacatac	severe
Trojan:Win32/WinLNK!rfn	severe
Trojan:Win32/Yomal!rfn	severe
Trojan:Win32/Znyonm!rfn	severe
Trojan:Win64/AcrStealer!rfn	severe
Trojan:Win64/BumbleBee!rfn	severe
Trojan:Win64/CobaltStrikeBeacon!rfn	severe
Trojan:Win64/Convagent!rfn	severe
Trojan:Win64/Emotetcrypt!rfn	severe
Trojan:Win64/IcedID!rfn	severe
Trojan:Win64/Remus!rfn	severe
Trojan:Win64/Sbadur!MTB	severe
Trojan:Win64/StealC!rfn	severe
Trojan:Win64/Stealer!MSR	severe
Trojan:Win64/Tedy!MTB	severe
Trojan:Win64/TurtleLoader!rfn	severe
Trojan:Win64/Yogi!rfn	severe
TrojanDownloader:BAT/QakBotLoader!rfn	severe
TrojanDownloader:JS/Qakbot!rfn	severe
TrojanDownloader:O97M/Emotet!rfn	severe
TrojanDownloader:PDF/BumbleBee!rfn	severe
TrojanDownloader:PDF/Qakbot!rfn	severe
TrojanDownloader:PowerShell/PEDropper!rfn	severe
TrojanDownloader:Win64/Odbijen.A	severe
TrojanSpy:Win32/Swotter!rfn	severe
VirTool:INF/Autorun!rfn	severe
VirTool:Win32/Autorun!rfn	severe
VirTool:Win32/Sliver!rfn	severe
VulnerableDriver:Win64/TrueSight!rfn	severe
Worm:Win32/Mofksys!rfn	severe
Worm:Win32/Rimecud!rfn	severe
Worm:Win32/Sasser.dam	severe
Worm:Win32/Wenper!rfn	severe