Change log for definition version 1.257.459.0 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 14,2017 04:30 AM UTC

New definitions

Misleading:Win32/Boresotohigh
Misleading:Win32/Caresalehigh
Misleading:Win32/Caresatihigh
Misleading:Win32/Carexarehigh
Misleading:Win32/Ceregelehigh
Misleading:Win32/Ceregewehigh
Misleading:Win32/Ceyiletihigh
Misleading:Win32/Cinapilehigh
Misleading:Win32/Cirecitihigh
Misleading:Win32/Cirewitihigh
Misleading:Win32/Copedopehigh
Misleading:Win32/Corenorehigh
Misleading:Win32/Coyosotohigh
Misleading:Win32/Curecutihigh
Misleading:Win32/Cuzuzuzuhigh
Misleading:Win32/Deretenohigh
Misleading:Win32/Dokesokohigh
Misleading:Win32/Farematihigh
Misleading:Win32/Firesixihigh
Misleading:Win32/Fixilikihigh
Misleading:Win32/Genegenihigh
Misleading:Win32/Hotulopahigh
Misleading:Win32/Kitixitihigh
Misleading:Win32/Lodihigh
Misleading:Win32/Mecidecihigh
Misleading:Win32/Mexalenahigh
Misleading:Win32/Nekegeruhigh
Misleading:Win32/Parexapahigh
Misleading:Win32/Perolerehigh
Misleading:Win32/Peromevehigh
Misleading:Win32/Peropecahigh
Misleading:Win32/Peropevehigh
Misleading:Win32/Piropizehigh
Misleading:Win32/Poropogehigh
Misleading:Win32/Pororocehigh
Misleading:Win32/ProPCCleanerhigh
Misleading:Win32/Ragecayehigh
Misleading:Win32/Rerememihigh
Misleading:Win32/Reyiregehigh
Misleading:Win32/Roremotihigh
Misleading:Win32/Satefacuhigh
Misleading:Win32/Sedegeyihigh
Misleading:Win32/Serepemihigh
Misleading:Win32/Setegesuhigh
Misleading:Win32/Sevegerehigh
Misleading:Win32/Seyifecehigh
Misleading:Win32/Sideriyihigh
Misleading:Win32/Sistakastihigh
Misleading:Win32/SystemHealerhigh
Misleading:Win32/Tarexanuhigh
Misleading:Win32/Tupenupehigh
Misleading:Win32/Varemawihigh
Misleading:Win32/Virewirehigh
Misleading:Win32/Wedageyihigh
Misleading:Win32/Wekogerohigh
Misleading:Win32/Zepiretahigh
SoftwareBundler:Win32/DealPlyhigh
Behavior:Win32/Locky.M!rsmsevere
Behavior:Win32/WinwordStartCreate.Asevere
PUA:Win32/SystemCleanersevere

Updated definitions