ThreatExpert's Statistics for Mal/EncPk-CK [Sophos]:

Mal/EncPk-CK [Sophos] is also known as:

Threat Alias	Number of Incidents
TrojanDropper:Win32/Srizbi.gen!D [Microsoft]	225
Backdoor.Win32.HacDef.073.B [Ikarus]	137
Generic Dropper [McAfee]	127
Trojan:Win32/Helpud.A [Microsoft]	76
Virus.Win32.Virtualizer [Ikarus]	68
PWS:Win32/OnLineGames.ZFE [Microsoft]	62
Cryp_Xed-3 [Trend Micro]	57
Backdoor.Win32.Oderoor [Ikarus]	52
Trojan.Win32.Agent.airv [Kaspersky Lab]	49
Trojan Horse [Symantec]	48
Trojan:Win32/Helpud.AB [Microsoft]	47
PWS:Win32/Lineage.gen!A [Microsoft]	44
Backdoor.Spakrab [Symantec]	42
Trojan-Dropper.Rkit.AZ [Ikarus]	42
TrojanDownloader:Win32/Agent.BA [Microsoft]	41
Generic BackDoor [McAfee]	39
PWS-Mmorpg.gen [McAfee]	35
Trojan.Srizbi [Symantec]	34
Infostealer.Gampass [Symantec]	33
Worm.Oderoor [PC Tools]	33
Generic.dx [McAfee]	23
Trojan-Dropper.Agent [Ikarus]	23
Trojan.Agent!sd6 [PC Tools]	22
Trojan.Dropper [Symantec]	22
Trojan.Crypt [Ikarus]	21
Trojan.Win32.Agent [Ikarus]	19
Trojan:Win32/ServStart.A [Microsoft]	19
W32.Popwin [Symantec]	18
TrojanDropper:Win32/Frethog.I [Microsoft]	17
Backdoor.Win32.Agent.qlv [Kaspersky Lab]	16
Backdoor:Win32/Oderoor.D [Microsoft]	16
Backdoor.Trojan [Symantec]	15
Trojan.Farfli [Symantec]	14
AntiVirusXP2008 [Symantec]	12
Backdoor.Agent!sd6 [PC Tools]	12
Gen.Trojan [Ikarus]	12
Rootkit.Win32.Agent.ctm [Kaspersky Lab]	12
TROJ_AGENT.AWMZ [Trend Micro]	12
TROJ_AGENT.AYAK [Trend Micro]	12
Trojan.Win32.Agent.acyj [Kaspersky Lab]	12
Trojan-Dropper.Win32.Agent.wbz [Kaspersky Lab]	12
Trojan-GameThief.Win32.OnLineGames.uuew [Kaspersky Lab]	12
Infostealer.Vipect [Symantec]	11
Suspicious.MH690 [Symantec]	10
TROJ_AGENT.RGN [Trend Micro]	10
Trojan.Srizbi [PC Tools]	10
Trojan.Win32.Helpud [Ikarus]	10
Backdoor:Win32/Oderoor.gen!D [Microsoft]	9
Spam-Mailbot.f.gen [McAfee]	9
Trojan.LdPinch [Ikarus]	9
Trojan-GameThief.Win32.OnLineGames [Ikarus]	9
Backdoor.Win32.Inject [Ikarus]	8
Trojan-Dropper.Win32.Srizbi.D [Ikarus]	8
Win-Trojan/OnlineGameHack.185408.H [AhnLab]	8
Generic Downloader.x [McAfee]	7
Srizbi [McAfee]	7
Trojan.Srizbi.Dropper.1 [Ikarus]	7
Trojan.Win32.Pakes [Ikarus]	7
Win32.Worm.Winko [Ikarus]	7
Generic.Trojan.Generic [Ikarus]	6
PWS-Mmorpg!r [McAfee]	6
Trojan.Win32.Pakes.cpf [Kaspersky Lab]	6
Trojan:Win32/BHO [Microsoft]	6
Trojan-GameThief.Win32.OnLineGames.vbxo [Kaspersky Lab]	6
Trojan-GameThief.Win32.OnLineGames.vugj [Kaspersky Lab]	6
Virus.Win32.Agent.UWD [Ikarus]	6
Win-Trojan/OnlineGameHack.183360.L [AhnLab]	6
Backdoor.Win32.Oderoor.D [Ikarus]	5
PWS:Win32/Gamania.gen!B [Microsoft]	5
PWS:Win32/Gamania.gen!D [Microsoft]	5
Trojan.Srizbi!sd6 [PC Tools]	5
Trojan.Srizbi.Dropper [Ikarus]	5
Trojan:Win32/SystemHijack.gen!C [Microsoft]	5
Trojan-Dropper.Agent!sd6 [PC Tools]	5
Win-Trojan/Xema.variant [AhnLab]	5
Generic Dropper!hv.n [McAfee]	4
Generic PWS.y [McAfee]	4
Generic.dx!lxk [McAfee]	4
PWS:Win32/Ldpinch.BN [Microsoft]	4
PWS-OnlineGames.cw [McAfee]	4
TROJ_DROPPER.EYF [Trend Micro]	4
TROJ_DROPPER.GXU [Trend Micro]	4
TROJ_SRIZBI.AP [Trend Micro]	4
TROJ_SRIZBI.UJ [Trend Micro]	4
Trojan.Generic [PC Tools]	4
Trojan.Rincux [Ikarus]	4
Trojan.Win32.Agent.aetu [Kaspersky Lab]	4
Trojan.Win32.BHO.lft [Kaspersky Lab]	4
Trojan.Win32.Scar.arly [Kaspersky Lab]	4
Trojan.Win32.Scar.bdhl [Kaspersky Lab]	4
Trojan.Win32.Srizbi.ay [Kaspersky Lab]	4
Trojan:Win32/Agent.GA [Microsoft]	4
Trojan-Dropper.Win32.Agent.awwv [Kaspersky Lab]	4
Trojan-Dropper.Win32.Agent.uax [Kaspersky Lab]	4
Trojan-Dropper.Win32.Agent.vsl [Kaspersky Lab]	4
TrojanDropper:Win32/Srizbi.gen!F [Microsoft]	4
Trojan-GameThief.Win32.OnLineGames.uqyc [Kaspersky Lab]	4
Trojan-GameThief.Win32.OnLineGames.usei [Kaspersky Lab]	4
Trojan-GameThief.Win32.OnLineGames.uuje [Kaspersky Lab]	4
Virus:Win32/Viking.ND [Microsoft]	4

Mal/EncPk-CK [Sophos] has the following possible countries of origin:

Origin		Number of Incidents
	China	248
	Russian Federation	8
	Austria	2
	Spain	1
	Switzerland	1

Mal/EncPk-CK [Sophos] is known to be created as:

%FontsDir%\33a76000.exe

%FontsDir%\360eaec0.exe

%ProgramFiles%\invmp.exe

%ProgramFiles%\microsoft common\svchost.exe

%ProgramFiles%\pasvmp.exe

%System%\aaaaa.exe

%System%\alo.exe

%System%\axqf4m7dxq\d001.exe

%System%\bifrost\server.exe

%System%\bori.exe

%System%\ckie.exe

%System%\dllcache\x010.exe

%System%\dpmg.exe

%System%\drivers\windf.exe

%System%\emdmgmt.dll

%System%\eosec.exe

%System%\fzuk.exe

%System%\gassoocyw.exe

%System%\gtotop.exe

%System%\guvoomoubu.exe

%System%\helpme.exe

%System%\hepoosou.exe

%System%\iogq.exe

%System%\iowat.exe

%System%\jouhymmouhoul.exe

%System%\keym.exe

%System%\kwgks.exe

%System%\kyou.exe

%System%\mavounnoor.exe

%System%\myrer.exe

%System%\noki.exe

%System%\oyou.exe

%System%\pdsw.exe

%System%\popger.exe

%System%\pxie.exe

%System%\quenoottekik.exe

%System%\scvhost.exe

%System%\souwoutounor.exe

%System%\sysutils.exe

%System%\tesit.exe

%System%\trym.exe

%System%\twex.exe

%System%\vbgq.exe

%System%\wavi.exe

%System%\wdvwy.exe

%System%\wgks.exe

%System%\winhelp32.exe

%System%\winhelpbncba32.exe

%System%\winlogo.exe

%System%\winlogon86.exe

%System%\winupdate86.exe

%System%\wmiwy.exe

%System%\wucamyz.exe

%System%\wulin.exe

%System%\yqsw.exe

%System%\zudouv.exe

%Temp%\090603-2-2.exe

%Temp%\090615-1-1.exe

%Temp%\090615-1-2.exe

%Temp%\10006.exe

%Temp%\2004.exe

%Temp%\explor.exe

%Temp%\frame1_13_295.exe

%Temp%\frame1_28_300.exe

%Temp%\frame1_31_302.exe

%Temp%\frame1_32_302.exe

%Temp%\heisanhuo.exe

%Temp%\ilifpohe.exe

%Temp%\inst1_294.exe

%Temp%\inst2_293.exe

%Temp%\inst2_294.exe

%Temp%\inst2_297.exe

%Temp%\kalayh12.exe

%Temp%\msn.exe

%Temp%\newexe4_294.exe

%Temp%\rarsfx0\mmmmm.exe

%Temp%\rarsfx0\nnnnn.exe

%Temp%\rarsfx0\serverm.exe

%Temp%\rarsfx0\servern.exe

%Temp%\temp1.exe

%Temp%\temp2.exe

%Temp%\temp3.exe

%Temp%\temp4.exe

%Temp%\temp5.exe

%Temp%\trojan\trojan.exe

%Temp%\winmgmt.exe

%Temp%\wmdjz.exe

%Temp%\wscript.exe

%Windir%\aaaujzbr.exe

%Windir%\aahasnsq.exe

%Windir%\aaupcjrj.exe

%Windir%\abacupvn.exe

%Windir%\aczjaczj.exe

%Windir%\agrldmrg.exe

%Windir%\akqhofmi.exe

%Windir%\arjjjkbr.exe

%Windir%\bjazbkbz.exe

%Windir%\bngqchlq.exe

%Windir%\canxjqja.exe

%Windir%\chjikjrk.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.