杀了一***，很想知道这些***是从何而来的，请教各位高手帮忙分析：
广告程序:潜伏在电脑中的广告程序 \Application Data\a.exe
***:Trojan-Spy/Win32.Small.cgl \kb38013.exe
***:Win32/Malware.gen \kb37158.exe
***:[脚本病毒] Win32.VB.OTD \kb37156.exe
***:TR/Agent.49152 \kb37154.exe
***:Win32.Trj.acc.rgrk kb371534.exe
***:Trojan/Win32.KillAV.crj \kb371528.exe
***:Win32/Trojan.gen kb371524.exe
***:Win32/Malware.gen kb371520.exe
***:[脚本病毒] TrojanClicker/Win32.VB.NNQ \WindowMis\smss.exe
***:[脚本病毒] Win32.VB.OTD \cconter.exe
***:Trojan-PSW/Win32.QQPass.ffa \Tencent\QQ\Bin\qqc.dll
***:Win32.Trj.acc.rgrk \kb371514.exe
***:[盗号***] PSW/Win32.QQPass.NGG \kb371515.exe
***:Trojan/Win32.Generic.51FDAA40 \system32\winhelp.exe
***:Win32/Troj.Unknown \system32\video.exe
***:[盗号***] PSW/Win32.OnLineGames.OTS \system32\t329155.dll
***:Win32.Trj.zdy.rgrk \system32\t322049.dll
***:[盗号***] PSW/Win32.OnLineGames.OTQ \system32\rpcss.dll
***:[后门***] BDS/Backdoor.Gen \system32\igyqec.exe
***:[恶意浏览器插件] TrojanClicker/Win32.BHO.NBN \system32\iebho.exe
***:Win32.Trj.rgrk.rgrk \system32\ctfmon.exe
***:Trojan-PSW/Win32.DNFOnLine.fg \system32\comres.dll
***:Win32/Malware.gen \system32\audio.exe
***:TrojanDropper/Win32.Delf.NRD \system32\12705541013.exe
***:[盗号***] PSW/Win32.OnLineGames.OQU \system\tBPiI.DRV
***:Win32.Trj.rgrk.rgrk \WINDOWS\Qvod.dll
***:[盗号***] PSW/Win32.OnLineGames.OQU \WINDOWS\system\HwbDq.DRV
***:Trojan-PSW/Win32.Kykymber.bet \WINDOWS\system\QNtkg.DRV
***:[盗号***] PSW/Win32.OnLineGames.OQU \WINDOWS\system\rKnUd.DRV
***:[恶意浏览器插件] TrojanClicker/Win32.BHO.NBN \WINDOWS\baidu.exe
***:Win32.Trj.rgrk.rgrk \WINDOWS\back_Qvod.DLL
***:Trojan/Win32.Generic.51FD92D5 \Program Files\winnt\smss.exe
***:[恶意浏览器插件] TrojanClicker/Win32.BHO.NBN \Internet Explorer\iexlore.exe
***:[具有***特征程序] Heur/Win32.Generic_01.p \System\QQxxw3.exe
***:[后门***] BDS/Backdoor.Gen \Common Files\System\b.exe
***:TR/Spy.Gen \System\a.exe