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Change logs for security intelligence update version 1.443.929.0

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

1/31/2026 12:39:30 AM

Added threat detections

Name Severity
Ransom:Win64/Milkyway.YBG!MTB severe
Ransom:Win64/Shirna.YBG!MTB severe
Trojan:MSIL/Bladabindi.MCQ!MTB severe
Trojan:MSIL/Zusy.MCQ!MTB severe
Trojan:VBS/AsyncRAT.SO!MTB severe
Trojan:Win64/Rugmi.YCC!MTB severe

Updated threat detections

Name Severity
Adware:Win32/Tnega high
Backdoor:Win32/Supper!rfn severe
BrowserModifier:Win32/Qiwmonk high
Exploit:Linux/CVE-2024-3094.A severe
Exploit:Linux/CVE-2024-3094.F severe
Exploit:PHP/Webshell!AMTB severe
HackTool:Python/Impacket!MSR high
HackTool:Win32/Activator!MTB high
HackTool:Win32/Agent high
HackTool:Win32/AutoKMS high
HackTool:Win32/crack high
HackTool:Win32/Crack!MTB high
HackTool:Win32/Gendows high
HackTool:Win32/Keygen!AMTB high
HackTool:Win32/Keygen!rfn high
HackTool:Win32/Offact high
HackTool:Win32/Patcher!AMTB high
HackTool:Win32/Patcher!MTB high
HackTool:Win32/Silentall!MTB high
HackTool:Win64/Meterpreter.A!dll high
Program:Win32/Unwaders high
Ransom:Win32/Clop!rfn severe
Trojan:AndroidOS/AVerseFalc!rfn severe
Trojan:AndroidOS/Multiverze!rfn severe
Trojan:BAT/Qakbot!rfn severe
Trojan:BAT/Starter.G!lnk severe
Trojan:HTML/Qakbot!rfn severe
Trojan:JS/ChatGPTStealer.GVA!MTB severe
Trojan:JS/Pterodo!rfn severe
Trojan:JS/QakbotLNK!rfn severe
Trojan:Linux/Multiverze!rfn severe
Trojan:O97M/DDownloader!rfn severe
Trojan:PowerShell/Fakecaptcha!MTB severe
Trojan:PowerShell/ReverseShell.SA severe
Trojan:Python/Multiverze!rfn severe
Trojan:VBS/Emotet!rfn severe
Trojan:VBS/Pterodo!rfn severe
Trojan:VBS/Qakbot!rfn severe
Trojan:Win32/Acll!rfn severe
Trojan:Win32/Alevaul!rfn severe
Trojan:Win32/AresLdrCrypt!rfn severe
Trojan:Win32/Boxter!rfn severe
Trojan:Win32/Ceevee severe
Trojan:Win32/CobaltStrike.SPB!MTB severe
Trojan:Win32/Dynamer!ac severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Egairtigado!rfn severe
Trojan:Win32/Etset!rfn severe
Trojan:Win32/Kepavll!rfn severe
Trojan:Win32/Leonem!rfn severe
Trojan:Win32/Malgent severe
Trojan:Win32/Malgent!MSR severe
Trojan:Win32/Malgent!MTB severe
Trojan:Win32/MereTam!rfn severe
Trojan:Win32/Neurevt!rfn severe
Trojan:Win32/Pomal!rfn severe
Trojan:Win32/Qakbot!rfn severe
Trojan:Win32/ScriptSpy severe
Trojan:Win32/Seheq!rfn severe
Trojan:Win32/Skeeyah severe
Trojan:Win32/Skeeyah.A!bit severe
Trojan:Win32/Suschil!rfn severe
Trojan:Win32/Tiggre!rfn severe
Trojan:Win32/Tnega!MSR severe
Trojan:Win32/VMProtect!MTB severe
Trojan:Win32/WinLNK!MTB severe
Trojan:Win32/WinLNK!rfn severe
Trojan:Win32/Yomal!rfn severe
Trojan:Win32/Znyonm!rfn severe
Trojan:Win64/CryptInject!rfn severe
TrojanDownloader:BAT/QakBotLoader!rfn severe
TrojanDownloader:JS/Qakbot!rfn severe
Worm:Win32/Ippedo.I severe