ThreatExpert's Statistics for not-a-virus:Client-IRC.Win32.mIRC.603 [Kaspersky Lab]:

not-a-virus:Client-IRC.Win32.mIRC.603 [Kaspersky Lab] is also known as:

Threat Alias	Number of Incidents
IRC/Client [McAfee]	38,631
Backdoor.IRCBot [PC Tools]	32,103
not-a-virus:Client-IRC.Win32.mIRC [Ikarus]	23,962
Win-Trojan/MircPack.1790464 [AhnLab]	23,738
IRC-Worm.Win32.Tedeto.a [Ikarus]	5,028
IRC.Backdoor.Trojan [Symantec]	572
Backdoor.mIRC [PC Tools]	291
Trojan mIRC Client [McAfee]	257
Generic PUP.x [McAfee]	256
IRC/Flood.mirc [McAfee]	229
Backdoor.IRC.Bot [Symantec]	226
BrowserModifier:Win32/IGetNet [Microsoft]	224
Troj/IRCFlood-T [Sophos]	224
Backdoor.IRC!sd6 [PC Tools]	196
Trojan-Spy.Win32.Banbra [Ikarus]	180
Backdoor:Win32/IRCbot [Microsoft]	151
TROJ_BOTIRC.A [Trend Micro]	147
Mal/Zapchas-A [Sophos]	146
Backdoor.IRC.Flood [PC Tools]	145
W32.IRCBot [Symantec]	144
Mal/EncPk-DV [Sophos]	135
Backdoor.IRC.Zapchast.zwrc [Kaspersky Lab]	132
TROJ_INFECTED.AY [Trend Micro]	98
Troj/Multidr-FT [Sophos]	96
Backdoor.Trojan [Symantec]	90
Win-Trojan/Xema.variant [AhnLab]	88
Win-Trojan/MircPack.574464 [AhnLab]	60
Trojan.mIRC-Based.AM [PC Tools]	58
IRC_FLOOD.IJ [Trend Micro]	57
Hacktool [Symantec]	56
Backdoor.IRC.Zapchast [Ikarus]	46
Backdoor.IRC.Zapchast [Kaspersky Lab]	45
Generic.dx [McAfee]	42
not-a-virus:RiskTool.Win32.HideWindows [Kaspersky Lab]	37
BKDR_MIRC.AA [Trend Micro]	35
Troj/IRCFlood-Q [Sophos]	35
Trojan.Dropper [PC Tools]	33
Backdoor.IRC.Zapchast.g [Kaspersky Lab]	32
BKDR_IRCBOT.BMF [Trend Micro]	32
TROJ_IRCFLOOD.O [Trend Micro]	32
Backdoor.Win32.IRCFlood [Ikarus]	31
IRC Trojan [Symantec]	31
Troj/Zapchas-EJ [Sophos]	28
Troj/Mirchack-L [Sophos]	22
Win-Trojan/MircPack.696320 [AhnLab]	21
Backdoor.IRC.Zapchast.zwrc [PC Tools]	19
Backdoor:Win32/mIRCbased [Microsoft]	19
Backdoor.IRC.Zapchast.j [Kaspersky Lab]	17
Backdoor.IRC.Zapchast [PC Tools]	16
Generic IRC.b [McAfee]	15
Infostealer.Gampass [Symantec]	15
not-a-virus:PSWTool.Win32.PassView.162 [Kaspersky Lab]	15
BKDR_IRCFLOOD.AL [Trend Micro]	14
Generic BackDoor [McAfee]	12
not-a-virus:NetTool.Win32.Sniffer.c [Kaspersky Lab]	12
Trojan.DR.Duckirc.Gen [PC Tools]	12
Backdoor:Win32/Lamin.A [Microsoft]	10
Generic PUP.z [McAfee]	10
IRC-Worm.Generic [Ikarus]	10
Mal/Generic-A [Sophos]	10
Troj/Zapchas-U [Sophos]	10
TROJ_AGENT.DJN [Trend Micro]	10
Trojan.Win32.Runner.x [Kaspersky Lab]	10
Trojan-Spy.Gampass!sd6 [PC Tools]	10
Trojan.Dropper [Symantec]	8
Packed.Win32.Klone [Ikarus]	7
Backdoor.IRC.Zapchast.zwre [Kaspersky Lab]	6
BKDR_IRCFLOOD.AC [Trend Micro]	6
BKDR_IRCFLOOD.EM [Trend Micro]	6
IRC.Flood.CJ [PC Tools]	6
Trojan.IRC-Backdoor [PC Tools]	6
Win32.SuspectCrc [Ikarus]	6
Gen.Trojan [Ikarus]	5
Packed/RLPack [PC Tools]	5
Renamed mIRC Client [McAfee]	5
Suspicious.MH690 [Symantec]	5
Backdoor.Agent.JZK [PC Tools]	4
Backdoor.Trojan [PC Tools]	4
BKDR_IRCFLOOD.AG [Trend Micro]	4
IRC.Zapchast.AS [PC Tools]	4
Troj/Banker-APQ [Sophos]	4
TROJ_BASED.A [Trend Micro]	4
TROJ_INFECTED.AM [Trend Micro]	4
Trojan-Dropper.Win32.Agent.wcp [Kaspersky Lab]	4
Backdoor.IRC.Netz [Kaspersky Lab]	3
Backdoor.IRC.Zapchast.f [Kaspersky Lab]	3
Backdoor.IRC.Zapchast.h [Kaspersky Lab]	3
IRC.Flood.CK [PC Tools]	3
Net-Worm.Win32.Randon.ar [Kaspersky Lab]	3
Troj/Zapchas-AX [Sophos]	3
TROJ_INFECTED.CX [Trend Micro]	3
Trojan.BAT.Zapchast [Kaspersky Lab]	3
Trojan.IRC.Flood.ISB [Ikarus]	3
Trojan.Win32.Autoit.cz [Kaspersky Lab]	3
Backdoor.IRC.Agent.q [Kaspersky Lab]	2
Backdoor.IRC.Flood [Kaspersky Lab]	2
Backdoor.IRC.Sliv.d [Kaspersky Lab]	2
Backdoor.Mircbased [Ikarus]	2
Backdoor.Zapchast [Ikarus]	2
BAT.Flood.CU [PC Tools]	2

not-a-virus:Client-IRC.Win32.mIRC.603 [Kaspersky Lab] has the following possible countries of origin:

Origin		Number of Incidents
	Russian Federation	200
	France	20
	Germany	11
	Israel	7
	Estonia	6
	United Kingdom	6
	Brazil	1
	China	1

not-a-virus:Client-IRC.Win32.mIRC.603 [Kaspersky Lab] is known to be created as:

%FontsDir%\system.exe

%ProgramFiles%\%systemdir%\system32.exe

%ProgramFiles%\%systemdir%\winasc.exe

%ProgramFiles%\dfdsfs\kiss.exe

%ProgramFiles%\dfsdfsd\kiss.exe

%ProgramFiles%\eklavye script xp\eklavye.exe

%ProgramFiles%\fsdfs\kiss.exe

%ProgramFiles%\killsh\kiss.exe

%ProgramFiles%\kjhkjhjk\kiss.exe

%ProgramFiles%\microsoft office\office11\smss.exe

%ProgramFiles%\mirc\irc bot\svchost.exe

%ProgramFiles%\mirc\mirc.exe

%ProgramFiles%\msngr\messenger.exe

%ProgramFiles%\sdfsdfs\kiss.exe

%System%\aicmirc.exe

%System%\bigslaps.exe

%System%\blablabla.exe

%System%\cache\spoolsvr.exe

%System%\caves.exe

%System%\coded.exe

%System%\ddj\mirc.exe

%System%\directx\postcard\explorer.exe

%System%\dk\calling.com

%System%\dll\nvidia.exe

%System%\dllcache\crss.exe

%System%\dllcache\svhost.exe

%System%\drivers\nvidia\dll\rundll.exe

%System%\drivers\nvidia\dll\svchost.exe

%System%\drivers\svchost.exe

%System%\dxdll\svchost.exe

%System%\explorer.exe

%System%\fvist.com

%System%\gayarab.exe

%System%\ka6ber.exe

%System%\karakirli.exe

%System%\kasber.exe

%System%\kiss.exe

%System%\kits.exe

%System%\litse.exe

%System%\manager.exe

%System%\microsoft\crypto\rsa\machinekeys\system\desktop.exe

%System%\mirc.exe

%System%\mss.exe

%System%\mui\0406\iexplore.exe

%System%\postcards.gif\svchost.exe

%System%\psycho.exe

%System%\pusyy.exe

%System%\r1.exe

%System%\restore\font\systems\system.exe

%System%\security\ssms.exe

%System%\stafsmirc.exe

%System%\svcservice.exe

%System%\system dr\fvisit.com

%System%\ttt\ournik.com

%System%\userm.exe

%System%\wbem\svchost.exe

%System%\werasd.exe

%System%\windows.exe

%System%\windows95.exe

%System%\wings.exe

%System%\wins\system\taskbar.exe

%System%\winsys36.com

%System%\wintmp.exe

%Temp%\1.exe

%Temp%\a.exe

%Temp%\decrypted.exe

%Temp%\e-greetings.exe

%Temp%\mirc indon\irc bot\svchost.exe

%Temp%\pinoy pride v.2\mirc.exe

%Temp%\rarsfx0\kiss.exe

%Temp%\sexstory3000\sexstory3000.exe

%Temp%\spoolsv.exe

%Windir%\config32\svchost.exe

%Windir%\driver cache\i386\spoolsv.exe

%Windir%\font\system.exe

%Windir%\inf\inf.dll\lsass.exe

%Windir%\inf\registry.exe

%Windir%\inf\svchost.exe

%Windir%\inf\win\registry.exe

%Windir%\mirc.exe

%Windir%\msagent\inf\svchost.exe

%Windir%\ncits.exe

%Windir%\pantek\babyrina.exe

%Windir%\pantek\svchost.exe

%Windir%\pif\lsass.exe

%Windir%\psycho.exe

%Windir%\regfix32.exe

%Windir%\servicepackfiles\i386\svhost.com

%Windir%\srchasst\csrsz.exe

%Windir%\svichost.exe

%Windir%\system\kits.exe

%Windir%\system\svchost.exe

%Windir%\system\system\svchost.exe

%Windir%\system\windows.exe

%Windir%\systen32\a2ko.exe

%Windir%\temp\spool\spoolsv.exe

%Windir%\temp\spoolsv\spoolsv.exe

%Windir%\temp\tmp0000729b\daemon.exe

%Windir%\wauclt.exe

c:\mirc\mirc.exe

Notes:

%FontsDir% is a variable that refers to a virtual folder containing fonts. A typical path is C:\Windows\Fonts.
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.