Change log for definition version 1.279.1480.0 RSS feed icon

This page lists what has changed in the most recent definitions update for Windows Defender Antivirus and Microsoft Security Essentials.

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The following tables list the new and updated definitions for the version you select here. You can choose from the 20 latest updates, and the most recent update is shown by default:

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Definition available date: Nov 09,2018 07:48 AM UTC

New definitions


No new threats have been identified in this definition update.

Updated definitions

Adware:Win32/BetterSurfhigh
Adware:Win32/Pirrithigh
HackTool:Win32/AutoKMShigh
HackTool:Win32/AutoKMS!rfnhigh
HackTool:Win32/Keygenhigh
HackTool:Win32/Keygen!rfnhigh
HackTool:Win32/Mailpassviewhigh
HackTool:Win32/Rabased!rfnhigh
HackTool:Win32/Wpakill!rfnhigh
SoftwareBundler:Win32/Dlhelperhigh
TrojanDownloader:Win32/Adload!rfnhigh
Backdoor:Linux/Mirai!rfnsevere
Backdoor:MSIL/Bladabindi!rfnsevere
Backdoor:MSIL/Noancooe!rfnsevere
Backdoor:MSIL/Noancooe.Bsevere
Backdoor:MSIL/Noancooe.Csevere
Backdoor:Win32/Berbew!rfnsevere
Backdoor:Win32/Gaertob.Asevere
Backdoor:Win32/Gobot!rfnsevere
Backdoor:Win32/Hostilsevere
Backdoor:Win32/Kirts!rfnsevere
Backdoor:Win32/Qakbot!rfnsevere
Backdoor:Win32/Qakbot.Tsevere
Backdoor:Win32/RemoteManipulator!rfnsevere
Backdoor:Win32/Rescoms.Bsevere
Backdoor:Win32/Tofsee!rfnsevere
Backdoor:Win32/Turkojan.AIsevere
Backdoor:Win32/Xiclog.Asevere
Backdoor:Win32/Zegost!rfnsevere
Backdoor:Win64/Drixed!rfnsevere
DDoS:Linux/Lightaidra!rfnsevere
DDoS:Win32/Nitol.Asevere
Exploit:HTML/IframeRef!rfnsevere
Exploit:JS/ShellCode!rfnsevere
Exploit:O97M/CVE-2017-11882!rfnsevere
Exploit:Win32/CVE-2010-0188!rfnsevere
Exploit:Win32/CVE-2010-3333!rfnsevere
Exploit:Win32/Wmfap.Asevere
MonitoringTool:Win32/PerfectKeylogger!rfnsevere
PWS:Win32/Enterak!rfnsevere
PWS:Win32/Lineagesevere
PWS:Win32/Lineage!regsevere
PWS:Win32/Mofksys!rfnsevere
PWS:Win32/Primarypass.Asevere
PWS:Win32/Stimilina!rfnsevere
Ransom:AndroidOS/LockScreen!rfnsevere
Ransom:MSIL/LockScreen!rfnsevere
Ransom:Win32/Cerbersevere
Ransom:Win32/Cerber!rfnsevere
Ransom:Win32/GandCrab!rfnsevere
Ransom:Win32/GandCrab.AEsevere
Ransom:Win32/GandCrab.Esevere
Ransom:Win32/Rantest!rfnsevere
Rogue:Win32/Winwebsec!rfnsevere
SupportScam:JS/TechBrolo!rfnsevere
Trojan:AndroidOS/Adulinilini!rfnsevere
Trojan:HTML/Redirector!rfnsevere
Trojan:JS/BlacoleRef!rfnsevere
Trojan:JS/HideLink!rfnsevere
Trojan:JS/Iframe!rfnsevere
Trojan:JS/Iframeinject!rfnsevere
Trojan:JS/Redirector!bitsevere
Trojan:JS/Redirector!rfnsevere
Trojan:MSIL/BitcoinMiner.Asevere
Trojan:MSIL/Bokytuda.A!bitsevere
Trojan:MSIL/Imminent.A!MTBsevere
Trojan:MSIL/Loksec.Asevere
Trojan:MSIL/Ribaj!rfnsevere
Trojan:MSIL/Starter.Fsevere
Trojan:MSIL/Subti!rfnsevere
Trojan:MSIL/Upadter.Asevere
Trojan:O97M/Obfuse!rfnsevere
Trojan:O97M/PowCript.Asevere
Trojan:Win32/Adload!rfnsevere
Trojan:Win32/Asacky!rfnsevere
Trojan:Win32/Asacky.A!bitsevere
Trojan:Win32/Avkill.Esevere
Trojan:Win32/Bancteian!rfnsevere
Trojan:Win32/Bancteian.Asevere
Trojan:Win32/Casdet!rfnsevere
Trojan:Win32/CoinMiner!bitsevere
Trojan:Win32/CoinMiner!rfnsevere
Trojan:Win32/CoinMiner.AC!bitsevere
Trojan:Win32/CoinMiner.DAsevere
Trojan:Win32/CryptInject!rfnsevere
Trojan:Win32/Dynamer!rfnsevere
Trojan:Win32/Emotet.AC!bitsevere
Trojan:Win32/Eqtonex!rfnsevere
Trojan:Win32/Gandcrab.AFsevere
Trojan:Win32/Genasep.Asevere
Trojan:Win32/Helpud.Asevere
Trojan:Win32/Injeber.A!bitsevere
Trojan:Win32/Injeber.D!bitsevere
Trojan:Win32/Krilog.Asevere
Trojan:Win32/MereTam.Asevere
Trojan:Win32/Meterpreter.Asevere
Trojan:Win32/Miuref!rfnsevere
Trojan:Win32/Mutopy!rfnsevere
Trojan:Win32/Nivdort.Asevere
Trojan:Win32/Occamy.Bsevere
Trojan:Win32/Occamy.Csevere
Trojan:Win32/Pynamer.A!acsevere
Trojan:Win32/Pynamer.B!acsevere
Trojan:Win32/Rifbu!rfnsevere
Trojan:Win32/Ronohu.Asevere
Trojan:Win32/Salgorea!rfnsevere
Trojan:Win32/Salgorea.C!dhasevere
Trojan:Win32/Selfdel!rfnsevere
Trojan:Win32/Seodec!rfnsevere
Trojan:Win32/Simbot!rfnsevere
Trojan:Win32/Skeeyah.A!rfnsevere
Trojan:Win32/Skeeyah.B!rfnsevere
Trojan:Win32/Sonoko.A!mssevere
Trojan:Win32/Spawnerx.Fsevere
Trojan:Win32/Suloc.Asevere
Trojan:Win32/Swrort.Asevere
Trojan:Win32/Tepely!rfnsevere
Trojan:Win32/Tiggre!rfnsevere
Trojan:Win32/Urelas!rfnsevere
Trojan:Win32/Vibem!rfnsevere
Trojan:Win32/Vindor!rfnsevere
Trojan:Win64/Meterpreter!rfnsevere
TrojanClicker:HTML/Iframe!rfnsevere
TrojanClicker:JS/Faceliker!rfnsevere
TrojanClicker:Win32/Spackit!rfnsevere
TrojanDownloader:BAT/Downler!rfnsevere
TrojanDownloader:HTML/IframeRef!rfnsevere
TrojanDownloader:JS/FakejQuery!rfnsevere
TrojanDownloader:JS/Inor!rfnsevere
TrojanDownloader:JS/Nemucod!rfnsevere
TrojanDownloader:JS/Psyme!rfnsevere
TrojanDownloader:O97M/Dornoe.A!amssevere
TrojanDownloader:Script/Nemucod.JACsevere
TrojanDownloader:SWF/Esaprof.Asevere
TrojanDownloader:Win32/Banload!rfnsevere
TrojanDownloader:Win32/Dofoil.ACsevere
TrojanDownloader:Win32/Nymaim.Ksevere
TrojanDownloader:Win32/Perkeshsevere
TrojanDownloader:Win32/Renossevere
TrojanDownloader:Win32/Sinresby.Bsevere
TrojanDropper:Win32/Dinwod!rfnsevere
TrojanDropper:Win32/Gepys!rfnsevere
TrojanDropper:Win32/Lamechi!rfnsevere
TrojanDropper:Win32/Randrew!rfnsevere
TrojanDropper:Win32/Randrew.A!bitsevere
TrojanProxy:Win32/Bunitu.Q!bitsevere
TrojanSpy:MSIL/Golroted.Bsevere
TrojanSpy:MSIL/Hoetou.ACsevere
TrojanSpy:MSIL/Keylog.Bsevere
TrojanSpy:Win32/Bancossevere
TrojanSpy:Win32/Banker!rfnsevere
TrojanSpy:Win32/Nivdortsevere
TrojanSpy:Win32/Rebhip!rfnsevere
TrojanSpy:Win32/Tiop!rfnsevere
VirTool:JS/Iframeinject!rfnsevere
VirTool:MSIL/Injectorsevere
VirTool:MSIL/Subti.Nsevere
VirTool:Win32/CeeInjectsevere
VirTool:Win32/Delfsnifsevere
VirTool:Win32/Stekct!rfnsevere
VirTool:Win32/VBInjectsevere
VirTool:Win32/Vibem!rfnsevere
VirTool:WinNT/Emoldsevere
VirTool:WinNT/Vantisevere
Worm:Win32/Ainslot!rfnsevere
Worm:Win32/Ainslot.Asevere
Worm:Win32/Autorun!rfnsevere
Worm:Win32/Dorkbotsevere
Worm:Win32/Dorkbot!rfnsevere
Worm:Win32/Enosch!rfnsevere
Worm:Win32/Gamarue!rfnsevere
Worm:Win32/Macoute!rfnsevere
Worm:Win32/Mofksyssevere
Worm:Win32/Mofksys!rfnsevere
Worm:Win32/Rebhipsevere
Worm:Win32/Vobfus!rfnsevere