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Change logs for security intelligence update version 1.461.88.0

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

10/18/2026 10:44:37 AM

Added threat detections

No new threat detections added in selected update

Updated threat detections

Name Severity
Adware:AndroidOS/Multiverze!rfn high
Backdoor:Linux/Mirai!rfn severe
Backdoor:Linux/Multiverze!rfn severe
Backdoor:MSIL/Bladabindi!rfn severe
BrowserModifier:Win32/Diplugem!rfn high
Exploit:Linux/DirtyFrag!rfn severe
Exploit:PHP/RevWebshell!AMTB severe
Exploit:VBS/CVE-2014-6332 severe
Exploit:Win32/YellowKey.BB severe
HackTool:Python/Impacket!AMTB high
HackTool:Win32/CobaltStrike!rfn high
HackTool:Win32/GameHack!MTB high
Ransom:Win32/Qilinloader!rfn severe
Ransom:Win64/Akira!rfn severe
Ransom:Win64/Magniber!rfn severe
Spyware:AndroidOS/Multiverze!rfn high
Trojan:AndroidOS/AVerseFalc!rfn severe
Trojan:BAT/Qakbot!rfn severe
Trojan:HTML/Phish.DH!MTB severe
Trojan:HTML/Qakbot!rfn severe
Trojan:Linux/CoinMiner!rfn severe
Trojan:Linux/DirtyFrag!rfn severe
Trojan:Linux/Multiverze!rfn severe
Trojan:MacOS/Multiverze!rfn severe
Trojan:MSIL/FormBook!rfn severe
Trojan:MSIL/ShellCodeRunner!rfn severe
Trojan:NPM/Multiverze!rfn severe
Trojan:PDF/Qakbot!rfn severe
Trojan:PowerShell/QakBot!rfn severe
Trojan:PowerShell/Runner.GP!MTB severe
Trojan:Python/Multiverze!rfn severe
Trojan:Script/Multiverze!rfn severe
Trojan:Script/Phonzy.A!ml severe
Trojan:VBS/Emotet!rfn severe
Trojan:VBS/Obfuse!rfn severe
Trojan:VBS/Qakbot!rfn severe
Trojan:Win32/AutoitShellInj.A!MTB severe
Trojan:Win32/CerberCrypt!rfn severe
Trojan:Win32/CobaltStrike!rfn severe
Trojan:Win32/CoinMiner!rfn severe
Trojan:Win32/DllInject!rfn severe
Trojan:Win32/Dridex!rfn severe
Trojan:Win32/Egairtigado!rfn severe
Trojan:Win32/Etset!rfn severe
Trojan:Win32/Gracing!rfn severe
Trojan:Win32/Kepavll!rfn severe
Trojan:Win32/Kovter!rfn severe
Trojan:Win32/Leonem!rfn severe
Trojan:Win32/Malgent severe
Trojan:Win32/Malgent!MSR severe
Trojan:Win32/MereTam!rfn severe
Trojan:Win32/Neoreblamy!rfn severe
Trojan:Win32/Pomal!rfn severe
Trojan:Win32/Povertystealer!rfn severe
Trojan:Win32/Predator!rfn severe
Trojan:Win32/Qakbot!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/Ursnif!rfn severe
Trojan:Win32/WinLNK!rfn severe
Trojan:Win32/Yomal!rfn severe
Trojan:Win32/Znyonm!rfn severe
Trojan:Win64/Cerbu!rfn severe
Trojan:Win64/ClipBanker.NZD!MTB severe
Trojan:Win64/CryptInject!rfn severe
Trojan:Win64/Donut!rfn severe
Trojan:Win64/Emotet!rfn severe
Trojan:Win64/EmotetPacker!rfn severe
Trojan:Win64/IcedID!rfn severe
Trojan:Win64/KillProc!rfn severe
Trojan:Win64/Latrodectus!rfn severe
Trojan:Win64/PSWStealer!rfn severe
Trojan:Win64/Qakbot!rfn severe
Trojan:Win64/SleepyFileDeleter!rfn severe
Trojan:Win64/TurtleLoader!rfn severe
TrojanDownloader:BAT/QakBotLoader!rfn severe
TrojanDownloader:JS/Qakbot!rfn severe
TrojanDownloader:O97M/Emotet!rfn severe
TrojanDownloader:PowerShell/Obfuse!rfn severe
TrojanDownloader:Win32/Begseabug!rfn severe
TrojanDownloader:Win32/Citeary!rfn severe
TrojanSpy:Win32/Bancos!rfn severe
TrojanSpy:Win32/ParalaxRat!rfn severe
VirTool:Win32/RemoteExec severe
VirTool:Win32/VBInject!rfn severe