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ThreatExpert's Statistics for IRC/Flood.gen.b [McAfee]:

IRC/Flood.gen.b [McAfee] is also known as:
Threat AliasNumber of Incidents
Mal/Zapchas-C [Sophos]141
Backdoor.IRC.Zapchast.zwrc [Kaspersky Lab]128
Backdoor.IRC.Zapchast [Ikarus]109
mIRC/Zapchast [AhnLab]31
Backdoor:IRC/Zcrew.gen [Microsoft]23
Backdoor.IRC.Aladinz [Symantec]12
Backdoor.IRC.Zapchast [PC Tools]12
Backdoor.IRC.Zapchast [Kaspersky Lab]9
Backdoor.IRC.Kelebek.ak [Ikarus]6
IRC Trojan [Symantec]6
Backdoor.IRC.Cloner [Ikarus]4
Backdoor:IRC/IRCFlood [Microsoft]4
mIRC/Kelebek [AhnLab]4
mIRC/Xema [AhnLab]4
Backdoor.IRC.Kelebek.ak [Kaspersky Lab]3
Backdoor.IRC.Zapchast.h [Kaspersky Lab]3
Backdoor.IRC.Zcrew [Ikarus]3
Troj/Zapchas-EJ [Sophos]3
Troj/Zapchas-AX [Sophos]2
Backdoor.IRC.Kelebek.ab [Kaspersky Lab]1
Backdoor:IRC/Flood.CE [Microsoft]1
Hacktool.HideWindow [PC Tools]1
Hacktool.HideWindow [Symantec]1
mIRC/Ircflood [AhnLab]1

IRC/Flood.gen.b [McAfee] is known to be created as:
%FontsDir%\ms32.sys
%System%\mcon.dll
%System%\mnut\ms32.sys
%System%\ms32.sys
%System%\web\ms32.sys
%System%\wrda.sys
%Windir%\ok\ms32.sys
%Windir%\srchasst\appad.dll
%Windir%\system\ms32.sys
%Windir%\temp\ms32.sys
c:\ms32.sys
c:\system32\dllx\ms32.sys
Notes:
  • %FontsDir% is a variable that refers to a virtual folder containing fonts. A typical path is C:\Windows\Fonts.
  • %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).
  • %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.