Signature update 661 with publish date 2011/01/14 contains 2968 added or updated entries and is already available as part of automatic or manual update option.

+8 IEAntivirus
+9 TrustedProtection
+4 FastDisk
+3 WindowsSystemOptimizator
+7 GoodMemory
+6 SmartScan
+21 Backdoor.Win32.BlackHole
+21 Trojan.Win32.Agent
+1 AdMoke
+8 HackTool.Win32.Generic
+805 Trojan.Win32.Malware
+5 Trojan-Downloader.Win32.Adload
+3 Trojan-Spy.Win32.Agent
+3 P2P-Worm.Win32.Palevo
+2 Email-Worm.Win32.Mydoom
+3 Packed.Win32.Klone
+85 Backdoor.Win32.Hupigon
+8 Trojan-Spy.Win32.KeyLogger
+3 Worm.Win32.Huhk
+1 Trojan-Spy.Win32.Iespy
+4 Trojan-Dropper.Win32.Mudrop
+59 Backdoor.Win32.Gen.A
+13 Net-Worm.Win32.Generic.D
+3 Trojan-Dropper.Win32.VB
+5 Trojan.Win32.Slefdel
+12 Trojan-GameThief.Win32.WOW
+1 Monitor.Win32.ActualSpy
+3 Trojan-PSW.Win32.VB
+11 Packed.Win32.PePatch
+14 Trojan-Spy.Win32.Zbot
+2 Trojan.Win32.Crypt
+6 Virus.Win32.Parite
+22 Trojan-Dropper.Win32.Agent
+3 Backdoor.Win32.Poison
+2 Trojan-Downloader.JS.Inor
+4 Packed.Win32.Krap
+8 Trojan-GameThief.Win32.Magania
+16 Backdoor.Win32.Bifrose
+8 Worm.Win32.AutoRun
+4 Trojan.Win32.VB
+2 RemoteAdmin.Win32.WinVNC
+5 Worm.Win32.AutoIt
+6 Trojan.Win32.Patched
+13 Trojan-Downloader.Win32.Agent
+11 Backdoor.Win32.Agent
+14 Trojan.Win32.Buzus
+2 Trojan-Downloader.VBS.Agent
+3 Trojan-Downloader.Win32.Banload
+6 Trojan-Dropper.Win32.Flystud
+1 Trojan-Dropper.Win32.FriJoiner
+3 Trojan-Dropper.Win32.NSIS
+3 Trojan-Dropper.Win32.Binder
+1 Trojan.Win32.FlyStudio
+3 Trojan-Dropper.Win32.Small
+4 Trojan.Win32.Qhost
+2 Trojan-Downloader.Win32.VB
+1 Trojan-GameThief.Win32.Tibia
+2 OneStep
+5 Trojan.Win32.Delf
+6 Trojan-GameThief.Win32.OnLineGames
+2 Trojan-Downloader.Win32.CodecPack
+1 RiskTool.Win32.HideProc
+4 Trojan-Spy.Win32.FlyStudio
+2 Trojan.WinREG.StartPage
+2 Trojan-Downloader.MSIL.Agent
+1 Backdoor.Win32.SubSeven
+1 Backdoor.Win32.Jaan
+4 Packed.Win32.Black
+2 Trojan-Downloader.Java.OpenConnection
+3 Worm.Win32.Viking
+2 Backdoor.Win32.Prorat
+8 Trojan-Dropper.Win32.Delf
+5 Trojan-Clicker.Win32.Agent
+2 Trojan.Win32.BHO
+1 Trojan.Win32.Obfuscated
+3 Trojan.Win32.Vapsup
+1 Net-Worm.Win32.Kido
+1 Virus.Win32.VB
+1 RemoteAdmin.Win32.RAdmin
+1 NetTool.Win32.TCPScan
+8 Trojan-PSW.Win32.QQPass
+5 Trojan-PSW.Win32.Agent
+8 Malware.Generic
+2 Trojan.Win32.Chifrax
+2 Trojan.Win32.Small
+1 Trojan.VBS.StartPage
+2 Trojan.Win32.StartPage
+3 Backdoor.Win32.IRCBot
+2 Virus.MSExcel.Laroux
+1 Constructor.Win32.Bifrose
+3 Trojan-PSW.Win32.Delf
+5 Backdoor.Win32.PcClient
+1 Monitor.Win32.KeyLogger
+2 Trojan.Win32.KillAV
+1 HackTool.Win32.Agent
+6 Backdoor.Win32.Inject
+2 Email-Worm.Win32.VB
+3 Dialer
+5 Trojan-Downloader.Win32.FraudLoad
+4 Virus.Win32.Virut
+1 HackTool.Win32.Sniffer
+1 Worm.Win32.Mabezat
+1 Trojan-Downloader.Win32.IstBar
+1 Trojan-Dropper.Win32.Lmir
+3 Trojan.Win32.Inject
+2 Virus.Win32.Alman
+1 Backdoor.ASP.Ace
+2 HackTool.Win32.BruteForce
+3 Trojan-Spy.Win32.Ardamax
+1 Trojan.Win32.Midgare
+1 Trojan-Dropper.Win32.Crypter
+1 Backdoor.Win32.Shell
+1 Backdoor.Win32.ASP
+1 Trojan-Spy.MSIL.Agent
+1 Worm.Win32.Fujack
+2 Trojan.BAT.Agent
+1 Virus.BAT.Agent
+3 Trojan-Dropper.Win32.Joiner
+3 Trojan-Dropper.Win32.StartPage
+1 PSWTool.Win32.Cain
+1 PSWTool.Win32.Messen
+1 IM-Worm.Win32.Lewor
+6 Trojan-Downloader.Win32.Delf
+2 Trojan-Downloader.Win32.FlyStudio
+1 Backdoor.Win32.Graybird
+2 Virus.Win32.Sality
+14 Backdoor.PHP.Rst
+1 Trojan.Win32.BAT
+1 Trojan.Win32.AutoRun
+1 Virus.Win32.Xorer
+1 Trojan.Win32.MicroFake
+1 Packed.Win32.NSAnti
+22 Backdoor.PHP.C99Shell
+4 Backdoor.Win32.Delf
+3 HackTool.Win32.Injecter
+1 Trojan.Win32.CDur
+1 Trojan.WinREG.Teserv
+7 Trojan-Downloader.HTML.IFrame
+1 Trojan.BAT.Delfiles
+1 Trojan-Downloader.Win32.Bagle
+2 Trojan.Win32.Genome
+1 HackTool.Win32.Crypt
+2 Net-Worm.Win32.Kolab
+1 Worm.Win32.VBS
+5 Trojan-Banker.Win32.Banker
+1 Virus.Win32.Acad
+253 Exploit.Win32.Generic
+2 Trojan-Downloader.Win32.Small
+1 Trojan-Spy.Win32.Delf
+1 PSWTool.Win32.NetPass
+1 VirTool.Win32.VBSEncrypt
+1 Trojan-Dropper.Win32.Webind
+1 Backdoor.Win32.Kbot
+1 Trojan-Downloader.HTA.Agent
+1 Packed.Win32.Katusha
+1 Trojan-Clicker.VBS.Agent
+1 Backdoor.Win32.Rbot
+1 P2P-Worm.Win32.VB
+1 Hoax.Win32.VBS
+4 Adware.Generic
+1 Whistle
+3 Rabio
+1 NewWeb
+1 Look2Me
+3 BHO
+1 AdMedia
+1 Worm.Win32.VB
+1 Trojan.Win32.Zapchast
+1 Trojan.Win32.Shutdowner
+2 Trojan.Win32.FraudPack
+2 Trojan.Win32.Autoit
+1 Trojan.Win32.AntiAV
+1 Trojan.Win32.Agent2
+2 Trojan.PHP.Zapchast
+15 Trojan.PHP.PHPInfo
+4 Trojan.PHP.Agent
+2 Trojan.NSIS.Agent
+7 Trojan.JS.Redirector
+42 Trojan.Win32.JS
+14 Trojan.JS.Agent
+3 Trojan.Win32.HTML
+1 Trojan.BAT.KillAV
+31 Trojan-Spy.Win32.PHP
+1 Trojan-Proxy.Win32.RedBind
+2 Trojan-PSW.Win32.LdPinch
+1 Trojan-PSW.Win32.FakeMSN
+6 Trojan-Mailfinder.PHP.Massma
+2 Trojan-GameThief.Win32.Nilage
+3 Trojan-GameThief.Win32.Lmir
+1 Trojan-Dropper.Win32.Wlord
+1 Trojan-Dropper.MSIL.Agent
+1 Trojan-Downloader.Win32.Tiny
+2 Trojan-Downloader.Win32.NSIS
+2 Trojan-Downloader.Win32.Murlo
+5 Trojan-Downloader.PHP.Small
+3 Trojan-Downloader.PHP.Mulitcom
+1 Trojan-Downloader.NSIS.Agent
+1 Trojan-Downloader.Java.Agent
+11 Trojan-Downloader.Win32.JS
+1 Trojan-Downloader.JS.Iframe
+60 Trojan-Downloader.JS.Agent
+1 Trojan-Downloader.HTML.Agent
+4 Trojan-Downloader.BAT.Agent
+1 Trojan-Clicker.Win32.VB
+4 Trojan-Clicker.HTML.IFrame
+1 Trojan-Banker.Win32.Banker2
+3 Trojan-Banker.Win32.Banbra
+1 Rootkit.Win32.Clbd
+1 Rootkit.Win32.Agent
+1 Hoax.Win32.WebMoner
+1 Hoax.Win32.Getpin
+1 Hoax.Win32.Delf
+1 Hoax.Win32.BadJoke
+1 HackTool.Win32.Intercept
+1 HackTool.Win32.Defacer
+9 HackTool.Win32.Perl
+3 HackTool.PHP.Small
+1 HackTool.PHP.ShellControl
+17 HackTool.Win32.PHP
+13 Trojan.Win32.Generic
+1 Exploit.Win32.Pidief
+1 Exploit.Linux.Small
+1 Exploit.Win32.Linux
+1 Exploit.Linux.Epoll
+22 Exploit.JS.Pdfka
+16 Exploit.Win32.JS
+54 Exploit.JS.Agent
+1 Exploit.HTML.Mht
+1 Exploit.Win32.HTML
+1 Email-Worm.Win32.Wangy
+1 Constructor.Win32.Agent
+1 Backdoor.Win32.Turkojan
+4 Backdoor.Win32.TDSS
+30 Backdoor.Win32.Sinowal
+1 Backdoor.Win32.SdBot
+1 Backdoor.Win32.Infexor
+3 Backdoor.Win32.DsBot
+1 Backdoor.VBS.Cimv
+49 Backdoor.Perl.Shellbot
+61 Backdoor.Perl.IRCBot
+2 Backdoor.Perl.Agent
+25 Backdoor.PHP.WebShell
+10 Backdoor.PHP.Small
+12 Backdoor.PHP.ShellBot
+23 Backdoor.Win32.PHP
+25 Backdoor.PHP.PhpShell
+243 Backdoor.PHP.Pbot
+188 Backdoor.PHP.IRCBot
+73 Backdoor.PHP.Agent
+1 Backdoor.Win32.MSIL
+2 Backdoor.Linux.PHP
+1 Backdoor.IRC.Zapchast