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ThreatExpert's Statistics for Trojan Horse [Symantec]:

Trojan Horse [Symantec] is also known as:
Threat AliasNumber of Incidents
W32/Hakaglan.inf [McAfee]278,226
Worm.Autorun.BJ [PC Tools]222,894
Trojan.Win32.AutoRun.a [Kaspersky Lab]130,500
BackDoor-CZP [McAfee]63,154
Troj/Agent-GMF [Sophos]59,079
Backdoor.Win32.Turkojan.ake [Kaspersky Lab]58,261
BKDR_TURKOJAN.AT [Trend Micro]56,028
Backdoor.Turkojan [PC Tools]54,000
Trojan:Win32/Turkojan.A!dll [Microsoft]54,000
W32/AutoRun-KU [Sophos]52,200
Trojan.Win32.AutoRun [Ikarus]45,003
Win-Trojan/Turkojan.7168.M [AhnLab]38,773
Generic.dx [McAfee]38,256
Worm:Win32/Autorun!inf [Microsoft]34,975
Backdoor.Turkojan.AO [Ikarus]26,999
W32/AutoRun-MO [Sophos]23,446
Backdoor.Ciadoor [Symantec]20,538
Generic!atr [McAfee]19,133
Trojan.Win32.Agent.abt [Kaspersky Lab]17,870
BAT.Botget.C [PC Tools]17,867
Mal/Generic-A [Sophos]15,962
Backdoor.Win32.Turkojan [Ikarus]15,736
not-a-virus:AdWare.Win32.BHO.ee [Kaspersky Lab]13,124
Trojan.Generic [PC Tools]9,766
Adware.BHO!sd5 [PC Tools]8,131
TROJ_DELF.EFH [Trend Micro]7,511
Worm.AutoRun.GEN [PC Tools]6,869
Worm.Win32.AutoRun.lxz [Kaspersky Lab]6,786
Packed/Upack [AhnLab]6,730
WORM_PALEVO.SMI [Trend Micro]6,540
Trojan.Win32.Agent [Ikarus]6,493
Mal/Packer, Mal/EncPk-BW [Sophos]6,471
Trojan:Win32/Alureon.gen!J [Microsoft]6,267
Trojan-PWS.Win32.Small [Ikarus]6,258
Trojan-GameThief.Win32.OnLineGames.abrf.a [Kaspersky Lab]5,767
Packed.Win32.Krap.af [Kaspersky Lab]5,403
BKDR_MIRCHACK.CE [Trend Micro]5,329
DNSChanger.gen [McAfee]5,174
Mal/AdvPatch-A, Mal/Broute-A [Sophos]5,138
Trojan.Win32.Agent.akwc [Kaspersky Lab]5,110
Worm.Win32.AutoRun [Ikarus]4,907
Trojan.Zapchast [PC Tools]4,893
Trojan-Dropper.Agent [Ikarus]4,583
W32/Rimecud [McAfee]4,570
Generic Downloader.x [McAfee]4,523
W32/AHKHeap [McAfee]4,482
Trojan.BAT.Runner.i [Kaspersky Lab]4,453
W32/LCJump-B [Sophos]3,712
Trojan-Downloader.Agent!sd6 [PC Tools]3,674
Trojan-Downloader.Win32.Agent.agzq [Kaspersky Lab]3,600
Troj/Agent-FWS [Sophos]3,431
Trojan.BAT.Runner [Ikarus]3,415
Trojan.Generic.CJ [Ikarus]3,125
Virus.Win32.Virut.br [Ikarus]3,060
Win-Trojan/Obfuscator.88576.B [AhnLab]3,060
Trojan:Win32/Sisproc [Microsoft]2,980
Trojan.BAT.Runner.b [Kaspersky Lab]2,580
Trojan.Win32.Alureon.J [Ikarus]2,486
Rootkit.Win32.Agent [Ikarus]2,456
Generic.dx!gzf [McAfee]2,401
VirTool:WinNT/Koobface.gen!D [Microsoft]2,401
Rootkit.Win32.Agent.wqv [Kaspersky Lab]2,352
Mal/Rimecud-A, Mal/Zbot-I [Sophos]2,282
Win-Trojan/Xema.variant [AhnLab]2,281
JS_SMALLTROJ.XSG [Trend Micro]2,256
Trojan.Win32.AutoHK.a [Kaspersky Lab]2,256
Adware.BHO.EE [PC Tools]2,232
AHKS.Muha.C [PC Tools]2,209
VBS.Muha.B [PC Tools]2,184
JS_AHKHEAP.A [Trend Micro]2,162
Backdoor.Win32.IRCBot.aro [Kaspersky Lab]2,091
Trojan-PSW.Win32.Steam.dj [Kaspersky Lab]1,908
Worm:Win32/Autorun.GY!inf [Microsoft]1,856
Trojan.Win32.Agent.aoe [Kaspersky Lab]1,796
Worm.Autorun.BK [PC Tools]1,786
Trojan.BAT.KillFiles.gh [Kaspersky Lab]1,755
Trojan-PSW.Steam!sd6 [PC Tools]1,484
Win-Trojan/Xema.149742 [AhnLab]1,460
Adware:Win32/Owlforce [Microsoft]1,398
W32/AHKHeap.inf [McAfee]1,363
Backdoor.IRCBot.UUX [PC Tools]1,343
Downloader.gen.a [McAfee]1,318
W32/AHKHeap-A [Sophos]1,231
Trojan.Peed [Ikarus]1,203
Trojan.Alureon.J [PC Tools]1,190
Mal/EncPk-GF [Sophos]1,175
W32/Sdbot.worm [McAfee]1,166
Trojan-Downloader.Agent.NZW [PC Tools]1,106
Trojan-Downloader.Win32.Small [Ikarus]1,099
Win-Trojan/Agent.1097728.B [AhnLab]1,078
VBS/InfSR-A [Sophos]1,034
Trojan.Crypt [Ikarus]1,016
Trojan:Win32/Insebro.C [Microsoft]976
VBS/Xema [AhnLab]967
BackDoor-CJV [McAfee]954
Application.Whitelist [PC Tools]945
VBS_FAKEALER.HJ [Trend Micro]932
Mal/Packer [Sophos]929
VBS/FakeAlert-AB [McAfee]916
Trojan.BHO!sd6 [PC Tools]905

Trojan Horse [Symantec] has the following possible countries of origin:
OriginNumber of Incidents
China5,597
Russian Federation2,509
Brazil792
Germany679
United Kingdom516
Slovenia471
Sweden466
France401
Spain362
Republic of Korea311
Ukraine168
Poland143
Israel141
Netherlands131
Switzerland93
Taiwan84
Turkey84
Italy66
Japan58
Belgium52
Portugal48
Slovakia47
Iran43
Australia33
Finland32
Saudi Arabia27
Canada25
Egypt23
Argentina14
Austria14
Greece14
Norway14
Denmark10
Romania10
South Africa7
Ireland6
Lithuania6
Costa Rica5
Croatia5
Czech Republic5
Hungary5
Algeria4
Bulgaria4
Hong Kong4
Indonesia4
Mexico4
Peru4
Thailand4
Chile3
Estonia3
Iraq3
Morocco3
Serbia and Montenegro3
Albania2
Kyrgyzstan2
Singapore2
Venezuela2
Bolivia1
Colombia1
Honduras1
Iceland1
Lebanon1
Macedonia1
Oman1
Syria1
United Arab Emirates1

Trojan Horse [Symantec] is known to be created as:
%AllUsersProfile%\common files\csrss.exe
%AllUsersProfile%\desktop.exe
%AllUsersProfile%\drm\drm.exe
%AllUsersProfile%\favorites.exe
%AllUsersProfile%\fotitoella.exe
%AllUsersProfile%\menu iniciar\programas\inicializar\svchost.exe
%AllUsersProfile%\tghjg\qvodplus_259_zzp.exe
%AllUsersProfile%\xzemniu.dll
%AppData%\%username%.task\chasnah.exe
%AppData%\%username%.task\csrss.exe
%AppData%\%username%.task\lsass.exe
%AppData%\%username%.task\server.exe
%AppData%\%username%.task\services.exe
%AppData%\%username%.task\smss.exe
%AppData%\0671592029\0671592029.exe
%AppData%\5391443677\5391443677.exe
%AppData%\78f04d67.exe
%AppData%\9436801171\9436801171.exe
%AppData%\9790278843\9790278843.exe
%AppData%\adm\programe.exe
%AppData%\adobe\adobe.exe
%AppData%\adobe\manager.exe
%AppData%\adobe\player.exe
%AppData%\adobe\reader_sl.exe
%AppData%\adobe\rundtl.exe
%AppData%\aieyflq.exe
%AppData%\alg.exe
%AppData%\alna.scr
%AppData%\av.exe
%AppData%\bandook.exe
%AppData%\bifrost\server.exe
%AppData%\cabinet.exe
%AppData%\cftmon.exe
%AppData%\cinta_kita.exe
%AppData%\cinta_kita_dulu.exe
%AppData%\cjexh.exe
%AppData%\control-center\ccagent.exe
%AppData%\control-center\ccmain.exe
%AppData%\csfdir\jfgksysguard.exe
%AppData%\ctrlcenter\ccmain.exe
%AppData%\ctrl-center\ccmain.exe
%AppData%\d3.dll
%AppData%\dbg32.sys
%AppData%\drivers\winupgro.exe
%AppData%\dxdlls\dxdlg.exe
%AppData%\dxdlls\imapdb.exe
%AppData%\dxsetup.exe
%AppData%\e4u.exe
%AppData%\eehl\eehl.dll
%AppData%\ep.exe
%AppData%\erpogs.exe
%AppData%\explorer.exe
%AppData%\faststart.exe
%AppData%\ff3.exe
%AppData%\flashsdk.exe
%AppData%\flexiblesoft\flexiblesoft.exe
%AppData%\frost\server.exe
%AppData%\ftpd.exe
%AppData%\fullversion.exe
%AppData%\gadcom\gadcom.exe
%AppData%\gdipfontcachev1.dat.exe
%AppData%\gms\gms.exe
%AppData%\googledownload.exe
%AppData%\hd.dll
%AppData%\helper.exe
%AppData%\hidires\hidr.exe
%AppData%\hidires\rosa.sys
%AppData%\icq\icqclient.exe
%AppData%\icq\rundll.exe
%AppData%\iexplore.exe
%AppData%\iexplorer.exe
%AppData%\iloader.exe
%AppData%\install folder\ddd882.dll
%AppData%\install folder\filename.exe
%AppData%\key folder\ddd882.dll
%AppData%\key folder\gp2007.dll
%AppData%\keygen.exe
%AppData%\love\love.exe
%AppData%\lsass.exe
%AppData%\macromedia\common\ff7100021.dll
%AppData%\macromedia\common\ff71000219.exe
%AppData%\media_player3\cthmon.exe
%AppData%\menu.exe
%AppData%\messanger\msn.exe
%AppData%\microsoft\cd burning\autorun.exe
%AppData%\microsoft\cd burning\khatra.exe
%AppData%\microsoft\credentials\credentials.exe
%AppData%\microsoft\crypto\crypto.exe
%AppData%\microsoft\csrss.exe
%AppData%\microsoft\dragdiag.exe
%AppData%\microsoft\dsnv.exe
%AppData%\microsoft\dtsc\t.exe
%AppData%\microsoft\helpctr\helpctr.exe
%AppData%\microsoft\helpctr\helpsessionhistory.dat.exe
%AppData%\microsoft\installer\installer.exe
%AppData%\microsoft\microsoft.exe
%AppData%\microsoft\mmc\mmc.exe
%AppData%\microsoft\ncsv.exe
%AppData%\microsoft\rundtl.exe
%AppData%\microsoft\speech\files\userlexicons\userlexicons.exe
Notes:
  • %AllUsersProfile% is a variable that specifies the all users' profile folder. By default, this is C:\Documents and Settings\All Users (Windows NT/2000/XP).
  • %AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.