Change logs for security intelligence update version

This page lists newly added and updated threat detections included in security intelligence updates for Windows 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

Added threat detections

No new threat detections added in selected update

Name Severity
PUA:MacOS/VSearch severe
Trojan:JS/Maldrop.A severe

Updated threat detections

No threat detections updated in selected update

Name Severity
TrojanDownloader:JS/Nemucod severe
Backdoor:Linux/Mirai!rfn severe
Backdoor:MSIL/Bladabindi severe
Backdoor:MSIL/Bladabindi!rfn severe
Backdoor:MSIL/Noancooe.C severe
Backdoor:MSIL/Orcusrot.A severe
Backdoor:MSIL/Revetrat.A!bit severe
Backdoor:Win32/Berbew!rfn severe
Backdoor:Win32/Fynloski!rfn severe
Backdoor:Win32/Koceg!rfn severe
Backdoor:Win32/Predator.J!MTB severe
Backdoor:Win32/Prorat.AM severe
Backdoor:Win32/Remcos!rfn severe
Backdoor:Win32/Remcos.SF!MTB severe
Backdoor:Win32/Sdbot!rfn severe
Backdoor:Win32/Tofsee.F severe
Backdoor:Win32/Tofsee.T severe
Backdoor:Win32/Zegost.L severe
BrowserModifier:Win32/Prifou high
DDoS:Linux/Lightaidra!rfn severe
Exploit:Win32/CVE-2012-0158!rfn severe
HackTool:Win32/AutoKMS!rfn high
HackTool:Win32/Kapahyku.A high
PWS:Win32/Mofksys!rfn severe
PWS:Win32/Stimilina.E!bit severe
PWS:Win32/Tibia!rfn severe
Ransom:Win32/Genasom severe
SoftwareBundler:Win32/Dlhelper high
SoftwareBundler:Win32/Dlhelper!MTB high
Trojan:AndroidOS/SmsHider!rfn severe
Trojan:BAT/Nabucur.A severe
Trojan:JS/HideLink!rfn severe
Trojan:JS/Iframe!rfn severe
Trojan:JS/Iframeinject!rfn severe
Trojan:JS/Redirector!rfn severe
Trojan:MSIL/Omaneat!rfn severe
Trojan:MSIL/Wirzemro.B severe
Trojan:Win32/Adload!rfn severe
Trojan:Win32/Asacky!rfn severe
Trojan:Win32/Ausiv!rfn severe
Trojan:Win32/AutCobit!rfn severe
Trojan:Win32/Autorun!rfn severe
Trojan:Win32/Bluteal!rfn severe
Trojan:Win32/CoinMiner.AC!bit severe
Trojan:Win32/CryptInject severe
Trojan:Win32/Crysteb!rfn severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Fleercivet.F severe
Trojan:Win32/Gatak.DR!dha severe
Trojan:Win32/Genasep.A severe
Trojan:Win32/HistBoader!rfn severe
Trojan:Win32/HistBoader.A severe
Trojan:Win32/MereTam.A severe
Trojan:Win32/Meterpreter severe
Trojan:Win32/Nuqel!rfn severe
Trojan:Win32/Occamy.B severe
Trojan:Win32/Occamy.C severe
Trojan:Win32/Pynamer.A!ac severe
Trojan:Win32/Remcos!rfn severe
Trojan:Win32/Salgorea!rfn severe
Trojan:Win32/Salgorea.C!dha severe
Trojan:Win32/Skeeyah.A!rfn severe
Trojan:Win32/Spawnerx.F severe
Trojan:Win32/Tiggre!rfn severe
Trojan:Win32/Vindor!rfn severe
Trojan:Win32/Zonidel.A severe
Trojan:Win64/Drixed!rfn severe
Trojan:WinNT/Sality severe
TrojanClicker:JS/Faceliker!rfn severe
TrojanDownloader:JS/Donvibs!rfn severe
TrojanDownloader:JS/FakejQuery!rfn severe
TrojanDownloader:JS/Nemucod!rfn severe
TrojanDownloader:O97M/Dornoe.I!ams severe
TrojanDownloader:Win32/Adload!rfn high
TrojanDownloader:Win32/Carberp.BV!bit severe
TrojanDownloader:Win32/Dofoil.AH!bit severe
TrojanDownloader:Win32/Kepier!rfn severe
TrojanDownloader:Win32/Kolilks!rfn severe
TrojanDownloader:Win32/Upatre!rfn severe
TrojanDropper:Win32/Dinwod.B!bit severe
TrojanDropper:Win32/Gepys severe
TrojanDropper:Win32/Gepys!rfn severe
TrojanDropper:Win32/Lamechi!rfn severe
TrojanDropper:Win32/Woozlist.B severe
TrojanProxy:Win32/Bunitu.Q!bit severe
TrojanSpy:Win32/Bancos!rfn severe
TrojanSpy:Win32/Nuj!rfn severe
TrojanSpy:Win32/Ursnif!rfn severe
VirTool:INF/Autorun severe
VirTool:Win32/Ceatrg!rfn severe
VirTool:Win32/CeeInject severe
VirTool:Win32/CeeInject.TD!bit severe
VirTool:Win32/QQPass!rfn severe
VirTool:WinNT/Rootkitdrv!rfn severe
Worm:Win32/Ainslot!rfn severe
Worm:Win32/Ainslot.A severe
Worm:Win32/Enosch.A severe
Worm:Win32/Gamarue severe
Worm:Win32/Gamarue!rfn severe
Worm:Win32/Jenxcus.A severe
Worm:Win32/Mydoom!rfn severe
Worm:Win32/Sfone!rfn severe
Worm:Win32/Yuner!rfn severe
BrowserModifier:Win32/Prifou high
BrowserModifier:Win32/Prifou high
Exploit:Java/CVE-2012-4681!rfn severe
HackTool:Win32/Kapahyku.A high
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Tiggre!rfn severe
Exploit:HTML/IframeRef severe
Exploit:Win32/CVE-2010-1885!rfn severe
Exploit:Win32/CVE-2011-0097 severe
Exploit:Win32/CVE-2014-1761 severe
HackTool:Win32/AutoKMS!rfn high
HackTool:Win32/Reflectivensa.gen!A high
Program:Win32/Unwaders severe
Program:Win32/Unwaders.C!ml severe
Ransom:Win32/Genasom severe
Trojan:Win32/Bluteal!rfn severe
Trojan:Win32/Bluteal.B!rfn severe
Trojan:Win32/Bumat!rts high
Trojan:Win32/Dorv.A!rfn severe
Trojan:Win32/Dynamer!ac severe
Trojan:Win32/Dynamer!dtc severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/EyeStye.N severe
Trojan:Win32/Malagent!gmb severe
Trojan:Win32/Metasploit.X severe
Trojan:Win32/Occamy.B severe
Trojan:Win32/Occamy.C severe
Trojan:Win32/Qadars.C!bit severe
Trojan:Win32/Skeeyah.A!bit severe
Trojan:Win32/Skeeyah.A!rfn severe
Trojan:Win32/Skeeyah.B!rfn severe
Trojan:Win32/Sonoko.A!ms severe
Trojan:Win32/Tiggre!plock severe
Trojan:Win32/Tiggre!rfn severe
TrojanDownloader:O97M/Dornoe.A!ams severe
TrojanDownloader:Win32/Adload!rfn high
Worm:Win32/Gamarue!rfn severe
Worm:Win32/Rebhip severe
BrowserModifier:Win32/Prifou high
HackTool:Win32/AutoKMS high
HackTool:Win32/AutoKMS!rfn high
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Tiggre!plock severe
Misleading:Win32/Lodi high
Trojan:JS/Maldrop severe
Trojan:PDF/Phish severe
Trojan:Win32/Patcher severe
BrowserModifier:Win32/Prifou high
Trojan:Win32/Tiggre!rfn severe
HackTool:MSIL/AutoKMS high
HackTool:Win32/AutoKMS high
HackTool:Win32/Keygen!rfn high
Trojan:Win32/CoinMiner.BW!bit severe
Trojan:Win32/Dynamer!dtc severe
Trojan:Win32/Pynamer.A!ac severe
Trojan:Win32/Tiggre!rfn severe
Trojan:Win32/Vagger!rfn severe
VirTool:MSIL/Injector.EK severe
Worm:JS/Bondat.D severe