Virus signature database updates:

IRC/SdBot, MSIL/Injector.BX, Win32/Adware.AntimalwareDoctor, Win32/Adware.FakeAntiSpy.U (3), Win32/Adware.SecurityShield, Win32/Adware.SecurityShield.A, Win32/Adware.SecurityTool.AD, Win32/Adware.SpywareProtect2009, Win32/Adware.SystemSecurity, Win32/Agent.SAU (2), Win32/AutoRun.IRCBot.FC, Win32/Bflient.K, Win32/Cycbot.AA, Win32/Injector.DWU, Win32/Injector.DWV, Win32/Kryptik.ISV, Win32/Kryptik.ISW, Win32/Kryptik.ISX, Win32/Kryptik.ISY, Win32/Kryptik.ISZ, Win32/Kryptik.ITA, Win32/Kryptik.ITB, Win32/Kryptik.ITC, Win32/Kryptik.ITD, Win32/Kryptik.ITE, Win32/Lethic.AA, Win32/LockScreen.WX (4), Win32/LockScreen.YL (2), Win32/Peerfrag.FD, Win32/SpamTool.Tedroo.AN, Win32/Spy.Zbot.YW, Win32/Spy.Zbot.ZR (3), Win32/Tifaut.C, Win32/TrojanDownloader.Delf.QCT, Win32/TrojanDownloader.FakeAlert.ALW, Win32/TrojanDownloader.FakeAlert.AQI (2), Win32/TrojanDownloader.FakeAlert.BBT (3), Win32/Yimfoca.AA (2)