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
Worm:Win32/Sharep severe
Trojan:JS/Flafisi severe
TrojanDownloader:O97M/Obfuse.HN!MTB severe
TrojanDownloader:O97M/Obfuse.IK!MTB severe
Trojan:PowerShell/Obfuse severe
Trojan:JS/Ostap.A severe
BrowserModifier:JS/Spigot high
BrowserModifier:JS/Spigot high
Trojan:Linux/Tsunami severe
Trojan:AutoIt/GameHack!ibt severe
Backdoor:Win32/FlawedAmmyy.GA!MTB severe
Backdoor:Win32/FlawedAmmyy.GG!MTB severe
Ransom:Win32/Clop.GG!MTB severe
Trojan:Python/Banker.A!MTB severe
Trojan:Win32/AutoitInject.BH!MTB severe
Trojan:Win32/Gozi.GG!MTB severe
Trojan:Win32/Gozi.GN!MTB severe
Trojan:Win32/Trickbot.AG!MTB severe
TrojanDownloader:O97M/Obfuse.IJ!MTB severe
Trojan:Win32/AgentTesla.ST!MTB severe
Trojan:O97M/JsDropper.C severe
TrojanDownloader:O97M/Obfuse.II!MTB severe
VirTool:MSIL/Balocem.A severe
Trojan:Win32/BrowserPatch!ibt severe
Trojan:Win32/BrowserPatch!ibt severe
TrojanDownloader:O97M/Gamaredon.AA severe

Updated threat detections

No threat detections updated in selected update

Name Severity
HackTool:Win32/Keygen high
Trojan:HTML/Phish severe
Trojan:Win32/Sysdyo severe
TrojanDownloader:JS/Swabfex severe
TrojanDownloader:VBS/Nemucod severe
HackTool:Win32/CheatEngine high
BrowserModifier:Win32/Foxiebro high
Trojan:Win32/Occamy.B severe
Trojan:Win32/Pynamer.A!ac severe
Trojan:JS/Flafisi.E severe
Trojan:JS/Nemucod severe
BrowserModifier:Win32/Prifou high
Backdoor:Java/WebShell severe
Backdoor:MSIL/Noancooe.C severe
Backdoor:Win32/Androm severe
Backdoor:Win32/Kirts.A severe
Backdoor:Win32/Predator.J!MTB severe
Backdoor:Win32/Quicdy.A severe
Backdoor:Win32/Tofsee!rfn severe
Exploit:O97M/CVE-2014-6352 severe
Exploit:O97M/CVE-2017-11882!rfn severe
Exploit:Win32/CVE-2015-1701!rfn severe
HackTool:MSIL/AutoKMS high
HackTool:Win32/Keygen high
HackTool:Win32/Wpakill high
PWS:Win32/AgentTesla severe
PWS:Win32/Fareit severe
PWS:Win32/Stealer severe
PWS:Win32/Zbot severe
Ransom:Win32/Troldesh.A severe
Ransom:Win32/Troldesh.AD!MTB severe
Trojan:HTML/Phish severe
Trojan:Win32/AutoInject severe
Trojan:Win32/Bluteal!rfn severe
Trojan:Win32/Casdet!rfn severe
Trojan:Win32/CryptInject severe
Trojan:Win32/Dynamer!ac severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Emotet.AC!bit severe
Trojan:Win32/Emotet.DE severe
Trojan:Win32/Gandcrab.AF severe
Trojan:Win32/MereTam.A severe
Trojan:Win32/NewScheduledTask!BV severe
Trojan:Win32/Occamy.B severe
Trojan:Win32/Occamy.C severe
Trojan:Win32/Pynamer.A!ac severe
Trojan:Win32/Skeeyah.A!rfn severe
Trojan:Win32/Skeeyah.B!rfn severe
Trojan:Win32/Sonoko.A!ms severe
Trojan:Win32/Swrort.A severe
Trojan:Win32/Tiggre!plock severe
Trojan:Win32/Tiggre!rfn severe
TrojanDownloader:O97M/Dornoe.A!ams severe
TrojanDownloader:O97M/Obfuse.IH!MTB severe
TrojanDownloader:Win32/Adload!rfn high
TrojanDownloader:Win32/Dofoil.AD severe
TrojanDownloader:Win32/Hancitor severe
TrojanDownloader:Win32/Moljec.A severe
TrojanProxy:Win32/Bunitu!rfn severe
TrojanSpy:MSIL/Keylog severe
TrojanSpy:Win32/Skeeyah.A!rfn severe
TrojanSpy:Win32/Ursnif!rfn severe
VirTool:Win32/Injector severe
Adware:Win32/Agent.A high
Adware:Win32/BrowseFox high
Adware:Win32/Dotdo high
Adware:Win32/ICLoader high
Adware:Win32/MultiPlug high
Backdoor:MSIL/Noancooe.A severe
BrowserModifier:Win32/DeepSync high
FriendlyFiles low
HackTool:Win32/Agent high
HackTool:Win32/GameHack high
SoftwareBundler:Win32/Funshion high
Trojan:Win32/Casdet!rfn severe
Trojan:Win32/CryptInject severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Kovter.G severe
Trojan:Win32/Kryptik severe
Trojan:Win32/MereTam.A severe
Trojan:Win32/Occamy.B severe
Trojan:Win32/Pynamer.A!ac severe
Trojan:Win32/Skeeyah.A!MTB severe
Trojan:Win32/Skeeyah.A!rfn severe
Trojan:Win32/Tiggre!plock severe
Trojan:Win64/CryptInject severe
TrojanDownloader:O97M/Obfuse.CP severe
TrojanDownloader:O97M/Obfuse.IF!MTB severe
TrojanDownloader:Win32/Adload high
TrojanDownloader:Win32/Adload.SR high
TrojanSpy:Win32/Ursnif severe
FriendlyFiles low
FriendlyFiles low
Trojan:MSIL/Skeeyah.A!MTB severe
Trojan:Win32/Skeeyah.A!MTB severe
Exploit:O97M/CVE-2017-11882.AI severe
BrowserModifier:Win32/Foxiebro high
Ransom:Win32/GandCrab.A severe
Trojan:HTML/FakeAlert severe
Trojan:JS/Redirector!MTB severe
Trojan:Linux/Malgent severe
Trojan:O97M/JsDropper.B severe
Trojan:O97M/JsDropper.B severe
Trojan:Win32/Bluteal!rfn severe
Trojan:Win32/BrowserPatch!ibt severe
Trojan:Win32/BrowserPatch!ibt severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Eqtonex.F!dha severe
Trojan:Win32/Skeeyah.Df!MTB severe
Trojan:Win32/Tiggre!rfn severe
Trojan:Win64/Rootkitdrv.A severe
TrojanDownloader:JS/Nemucod severe
TrojanDownloader:O97M/Gamaredon.AA severe
TrojanDownloader:O97M/Gamaredon.AA severe
TrojanDropper:Win32/Silly_P2P.B severe
Trojan:O97M/JsDropper.B severe
Trojan:O97M/JsDropper.B severe
Trojan:Win32/BrowserPatch!ibt severe
TrojanDownloader:O97M/Gamaredon.AA severe
Trojan:Win32/TrickBot.DSK!MTB severe