ThreatExpert's awareness of the file "winupdate.exe":

Across all ThreatExpert reports, the file "winupdate.exe" was mostly identified as a threat.

File "winupdate.exe" has the following statistics:

Total number of reports analysed	611,932
Number of cases that involved the file "winupdate.exe"	281
Number of incidents when this file was found to be a threat	181
Statistical volume of cases when "winupdate.exe" was a threat	64%

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Notes:

Please note that the name of the file should NOT be used to define if it is legitimate or not. Such determination can only be made by observing its dynamic behaviour.
In order to check a file, please submit it to ThreatExpert.
For a comprehensive pro-active protection against threats, please consider ThreatFire - our behavioral antivirus solution.

The file "winupdate.exe" is known to be created under the following filenames:

%AllUsersProfile%\cncdown.exe

%AppData%\1.exe

%AppData%\blaah.exe

%AppData%\calc.exe

%AppData%\codecsetup.exe

%AppData%\codecsetup3788.exe

%AppData%\codecsetup4127.exe

%AppData%\codecsetup6400.exe

%AppData%\codecsetup8536.exe

%AppData%\cp_setup_assist.exe

%AppData%\cuda.exe

%AppData%\dealassistant\dauninstall.exe

%AppData%\digifast\dfuninstall.exe

%AppData%\hose.exe

%AppData%\ijango_toolbar_installer.exe

%AppData%\key folder\winupdate.exe

%AppData%\ldr.exe

%AppData%\microsoft\dtsc\t.exe

%AppData%\microsoft\office71\vhchk.exe

%AppData%\microsoft\windows\ernsjyi.exe

%AppData%\microsoft\windows\jjcmdrj.exe

%AppData%\microsoft\windows\nheste.exe

%AppData%\microsoft\windows\nxmwp.exe

%AppData%\microsoft\windows\rwmgh.exe

%AppData%\microsoft\windows\security\user0.exe

%AppData%\microsoft\windows\tbljxjk.exe

%AppData%\microsoft\windows\vohth.exe

%AppData%\microsoft\windows\vvpmyvaw.exe

%AppData%\mxplay\temp\mxplay_installer.exe

%AppData%\ntcom.dll

%AppData%\nthead.dll

%AppData%\pak-5593.exe

%AppData%\pak-5594.exe

%AppData%\pak-5595.exe

%AppData%\pak-5596.exe

%AppData%\pak-5597.exe

%AppData%\pak-5598.exe

%AppData%\pak-5599.exe

%AppData%\pak-5600.exe

%AppData%\pak-5601.exe

%AppData%\pak-5602.exe

%AppData%\pak-5603.exe

%AppData%\salehoo\auctionalert\_tmp\aa.exe

%AppData%\salehoo\salehooalert\_tmp\aa.exe

%AppData%\scvhost.exe

%AppData%\silverlight\silverlight.exe

%AppData%\skynet\muonline\_cw0srv.exe

%AppData%\skynet\muonline\234672.exe

%AppData%\skynet\muonline\239874.exe

%AppData%\skynet\muonline\293874.exe

%AppData%\skynet\muonline\345674.exe

%AppData%\skynet\muonline\345676.exe

%AppData%\skynet\muonline\435627.exe

%AppData%\skynet\muonline\543978.exe

%AppData%\skynet\muonline\546783.exe

%AppData%\speedrunner\sruninstall.exe

%AppData%\temp.dll

%AppData%\truesword4.exe

%AppData%\wefisetup.exe

%AppData%\winbutler\winbuninstaller.exe

%AppData%\winbutler\winbutler.exe

%AppData%\windows update\winupdate.exe

%AppData%\windows.exe

%AppData%\wintouch\wintouch.exe

%AppData%\wintouch\wtuninstaller.exe

%AppData%\winupdate.exe

%AppData%\wrar380d.exe

%AppData%\yeah\yeah374809.exe

%CommonAppData%\38001914.exe

%CommonAppData%\3810eef8.exe

%CommonAppData%\381751d0.exe

%CommonAppData%\388f0900.exe

%CommonAppData%\38d3ff69.exe

%CommonAppData%\aol downloads\aoltoolbar\setuptoolbar.exe

%CommonAppData%\av1\av1.exe

%CommonAppData%\av1\av1i.exe

%CommonAppData%\av1\av1i2.exe

%CommonAppData%\av1\av1two.exe

%CommonAppData%\av1\qwprotect.dll

%CommonAppData%\av1\svchost.exe

%CommonAppData%\av2010\av2010.exe

%CommonAppData%\av2010\iedefender.dll

%CommonAppData%\av2010\svchost.exe

%CommonAppData%\dyned\eng_loc.exe

%CommonAppData%\e4a12b7\extraav.exe

%CommonAppData%\e4a12b7\ua2009.exe

%CommonAppData%\e4a12b7\valarm.exe

%CommonAppData%\e4a12b7\vmelt.exe

%CommonAppData%\e4a12b7\vsweep.exe

%CommonAppData%\fetion\fetionupdate.exe

%CommonAppData%\gav\sgav.exe

%CommonAppData%\n1\n1.exe

%CommonAppData%\n1\n1i.exe

%CommonAppData%\n1\n1two.exe

%CommonAppData%\n1\qwprotect.dll

%CommonAppData%\n1\svchost.exe

%CommonAppData%\nexon\ngm\ngmdll.dll

%CommonAppData%\qw2010\qw2010.exe

%CommonAppData%\qw2010\qw2010i.exe

%CommonAppData%\qw2010\qw2010i2.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.
%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.

The file "winupdate.exe" has the following possible countries of origin:

Origin		Number of Incidents
	Russian Federation	31
	Brazil	11
	Germany	5
	China	4
	Sweden	4
	Saudi Arabia	3
	Taiwan	2
	Spain	1
	Switzerland	1

The following threats are known to be associated with the file "winupdate.exe":

Threat Alias	Number of Incidents
Backdoor.Trojan [Symantec]	20
TrojanDownloader:Win32/Fakeinit [Microsoft]	17
W32.Spybot.Worm [Symantec]	14
FakeAlert-CK [McAfee]	13
Trojan Horse [Symantec]	12
Downloader [Symantec]	11
Mal/Generic-A [Sophos]	11
Trojan-Downloader.Win32.FraudLoad [Ikarus]	11
Trojan.Fakeavalert [Symantec]	9
Backdoor.Win32.Rbot.gen [Kaspersky Lab]	8
Puper [McAfee]	8
BackDoor-CEP.gen.am [McAfee]	7
Backdoor.Win32.Bifrose.fqv [Kaspersky Lab]	6
Troj/Bifrose-YH [Sophos]	6
Trojan-Dropper.Win32.Hupigon [Ikarus]	6
VirTool:Win32/Injector.gen!AH [Microsoft]	6
W32/Sdbot.worm [McAfee]	6
Backdoor.Win32.Delf.cgf [Kaspersky Lab]	5
Backdoor:Win32/Rbot.gen [Microsoft]	5
Trojan.FakeAV [Symantec]	5
Trojan-Downloader.Win32.Fakeinit [Ikarus]	5
W32/Sdbot.worm.gen.g [McAfee]	5
Win-Trojan/Xema.variant [AhnLab]	5
Backdoor.Win32.Delf.qqa [Kaspersky Lab]	4
Generic.dx [McAfee]	4
Mal/Behav-116 [Sophos]	4
Packed/NSPack [PC Tools]	4
Trojan.Win32.FakeAV [Ikarus]	4
Trojan.Zlob [Symantec]	4
Trojan-Downloader.Win32.FraudLoad.fay [Kaspersky Lab]	4
Trojan-Downloader.Win32.FraudLoad.wqmf [Kaspersky Lab]	4
Trojan-Downloader.Win32.Renos [Ikarus]	4
Virus.Win32.Agent.BQC [Ikarus]	4
W32.Randex.gen [Symantec]	4
WORM_RBOT.GEN-1 [Trend Micro]	4
Backdoor.Rbot [Ikarus]	3
BackDoor-CEP.svr [McAfee]	3
Downloader-ABU [McAfee]	3
Packed.Win32.Black.a [Kaspersky Lab]	3
Possible_Virus [Trend Micro]	3
PWS-Banker.gen.aa [McAfee]	3
Suspicious.MH690 [Symantec]	3
TROJ_DLOADER.FXN [Trend Micro]	3
Trojan.Crypt [Ikarus]	3
Trojan-Downloader.Win32.FraudLoad.fxb [Kaspersky Lab]	3
Trojan-Downloader.Zlob!sd6 [PC Tools]	3
TrojanSpy:Win32/DelpBanc.A [Microsoft]	3
Win32/IRCBot.worm.Gen [AhnLab]	3
Worm.Rbot.AAOO [PC Tools]	3
Backdoor.Bifrose [Symantec]	2
BackDoor-CEP [McAfee]	2
BKDR_DELF.HIR [Trend Micro]	2
Downloader.MisleadApp [Symantec]	2
FakeAlert-FA [McAfee]	2
Generic BackDoor [McAfee]	2
Generic Downloader.x [McAfee]	2
Generic.dx!tz [McAfee]	2
Mal/EncPk-HJ [Sophos]	2
Mal/EncPk-IR [Sophos]	2
Mal/EncPk-JO, Mal/EncPk-HJ [Sophos]	2
Mal/Generic-A, Mal/EncPk-NR [Sophos]	2
Mal/IRCBot-J [Sophos]	2
Packed.Win32.Krap.ak [Kaspersky Lab]	2
Program:Win32/Antivirus2008 [Microsoft]	2
Troj/FakeAV-ABC [Sophos]	2
TROJ_FAKEALER.AF [Trend Micro]	2
Trojan.DR.Radi.Gen [PC Tools]	2
Trojan.Dropper [Symantec]	2
Trojan.FakeAV [PC Tools]	2
Trojan.Generic [PC Tools]	2
Trojan.Win32.Buzus [Ikarus]	2
Trojan.Win32.Buzus.aaih [Kaspersky Lab]	2
Trojan.Win32.FraudPack.tob [Kaspersky Lab]	2
Trojan.Win32.VB [Ikarus]	2
Trojan.Win32.VB.qkz [Kaspersky Lab]	2
Trojan:Win32/Meredrop [Microsoft]	2
Trojan:Win32/Provis!rts [Microsoft]	2
Trojan-Downloader.Win32.FraudLoad.ffm [Kaspersky Lab]	2
Trojan-Downloader.Win32.FraudLoad.fmb [Kaspersky Lab]	2
Trojan-Downloader.Win32.FraudLoad.fsz [Kaspersky Lab]	2
Trojan-Downloader.Win32.FraudLoad.wquw [Kaspersky Lab]	2
Trojan-Spy.Win32.VBChuchelo.ag [Kaspersky Lab]	2
TrojanSpy:Win32/VB.AAJ [Microsoft]	2
VirTool.Win32.VBInject [Ikarus]	2
VirTool:Win32/DelfInject.gen!AC [Microsoft]	2
Virus.Win32.Agent.WAM [Ikarus]	2
Virus.Win32.VB.DAV [Ikarus]	2
Virus.Win32.Virut.n [Ikarus]	2
W32.IRCBot [Symantec]	2
W32.IRCBot.Gen [Symantec]	2
W32/Rbot-Fam [Sophos]	2
Win-Trojan/Agent.20482.D [AhnLab]	2
Win-Trojan/Fraudpack.Gen [AhnLab]	2
Win-Trojan/Vbchuchelo.303104 [AhnLab]	2
Worm.Akbot.Gen [PC Tools]	2
Worm.RBot.Gen.10 [PC Tools]	2
Worm.Win32.Delf [Ikarus]	2
Worm.Win32.Delf.nv [Kaspersky Lab]	2
WORM_SDBOT.FNF [Trend Micro]	2
WORM_SPYBOT.GEN [Trend Micro]	2