Change logs for security intelligence update version 1.445.32.0

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

2/13/2026 3:33:08 PM

Added threat detections

Name	Severity
Ransom:Win64/Qilin.MXL!MTB	severe
Trojan:AIAgent/ClawHavoc.GVA!MTB	severe
Trojan:AIAgent/ClawHavoc.GVC!MTB	severe
Trojan:JS/Redirector.ZII!MTB	severe
Trojan:MSIL/AgentTesla.VD!MTB	severe
Trojan:MSIL/ClipBanker.VD!MTB	severe
Trojan:MSIL/CoinMiner.SX!MTB	severe
Trojan:MSIL/DiscordStealer.VD!MTB	severe
Trojan:MSIL/DiscoStealer.VD!MTB	severe
Trojan:MSIL/LockScreen.VD!MTB	severe
Trojan:Win64/Aotera.PGAE!MTB	severe
Trojan:Win64/PowDow.SXB!MTB	severe
Trojan:Win64/Ulise.SX!MTB	severe
Trojan:Win64/Xworm.PGXW!MTB	severe
Trojan:Win64/Zapchast.ARR!MTB	severe
Trojan:Win64/Zusy.PGAB!MTB	severe

Updated threat detections

Name	Severity
Adware:Win32/PCAcceleratePro	high
Backdoor:MSIL/AsyncRAT.AA!MTB	severe
Backdoor:Win64/Vankul!rfn	severe
Behavior:Linux/FindDiscoveryAttempt.B	severe
Exploit:O97M/CVE-2017-11882	severe
Exploit:Win32/Tudimons.A!dha	severe
HackTool:PowerShell/PowerView.A	high
HackTool:Win32/Crack!MTB	high
HackTool:Win32/Keygen!MTB	high
HackTool:Win32/ProductKey	high
HackTool:Win32/ProductKey.G!MSR	high
Ransom:Win32/ContiCrypt!rfn	severe
Ransom:Win32/Lockbit!rfn	severe
Trojan:AndroidOS/AVerseFalc!rfn	severe
Trojan:BAT/LNK_DarkGate!rfn	severe
Trojan:BAT/Qakbot!rfn	severe
Trojan:BAT/Starter.G!lnk	severe
Trojan:HTML/Qakbot!rfn	severe
Trojan:JS/Malgent!MSR	severe
Trojan:Linux/Multiverze!rfn	severe
Trojan:MSIL/DarkCloud.ABDC!MTB	severe
Trojan:PDF/Phish!rfn	severe
Trojan:Python/Bobik.EB!MTB	severe
Trojan:Script/EICAR_Test_File	severe
Trojan:Script/Multiverze!rfn	severe
Trojan:Script/SAgent!rfn	severe
Trojan:VBS/Emotet!rfn	severe
Trojan:VBS/Qakbot!rfn	severe
Trojan:Win32/Alevaul!rfn	severe
Trojan:Win32/AsyncRat!rfn	severe
Trojan:Win32/CoreWarrior.DA!MTB	severe
Trojan:Win32/DorkBot!rfn	severe
Trojan:Win32/Egairtigado!rfn	severe
Trojan:Win32/Etset!rfn	severe
Trojan:Win32/Fauppod!rfn	severe
Trojan:Win32/Flystudio!MTB	severe
Trojan:Win32/Kepavll!rfn	severe
Trojan:Win32/Leonem!rfn	severe
Trojan:Win32/Malgent!MSR	severe
Trojan:Win32/MereTam!rfn	severe
Trojan:Win32/NitrogenLdr!rfn	severe
Trojan:Win32/Primarypass!rfn	severe
Trojan:Win32/Seheq!rfn	severe
Trojan:Win32/Sehyioa.A!cl	severe
Trojan:Win32/SelfDel.A!MTB	severe
Trojan:Win32/Staser.ARA!MTB	severe
Trojan:Win32/Supma.A	severe
Trojan:Win32/Suschil!rfn	severe
Trojan:Win32/Tiggre!rfn	severe
Trojan:Win32/Yomal!rfn	severe
Trojan:Win32/Zloader!rfn	severe
Trojan:Win32/Znyonm!rfn	severe
Trojan:Win32/Zusy!rfn	severe
Trojan:Win64/CobaltStrike!rfn	severe
Trojan:Win64/Emotetcrypt!rfn	severe
Trojan:Win64/Havoc!rfn	severe
Trojan:Win64/Malgent!MSR	severe
Trojan:Win64/Midie!rfn	severe
Trojan:Win64/Mikey.GXV!MTB	severe
Trojan:Win64/Oyster!rfn	severe
Trojan:Win64/Tedy!MTB	severe
Trojan:Win64/ZLoader!rfn	severe
TrojanDownloader:BAT/QakBotLoader!rfn	severe
TrojanDownloader:JS/Qakbot!rfn	severe
TrojanDownloader:Win32/Dofoil!rfn	severe
VirTool:Java/Meterpreter.A	severe
VirTool:MSIL/NetInject!rfn	severe
Worm:Win32/Lightmoon!rfn	severe
Worm:Win32/Mofksys!rfn	severe
Worm:Win32/Sohanad!rfn	severe