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

Across all ThreatExpert reports, the file "a.exe" has sometimes been a threat.
File "a.exe" has the following statistics:
Total number of reports analysed611,932
Number of cases that involved the file "a.exe"534
Number of incidents when this file was found to be a threat240
Statistical volume of cases when "a.exe" was a threat45%
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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 "a.exe" is known to be created under the following filenames:
%AllUsersProfile%\cncdown.exe
%AppData%\1.exe
%AppData%\adobe\reader_sl.exe
%AppData%\bi\a.exe
%AppData%\bifrost\server.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%\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%\qq\a.exe
%AppData%\salehoo\auctionalert\_tmp\aa.exe
%AppData%\salehoo\salehooalert\_tmp\aa.exe
%AppData%\scvhost.exe
%AppData%\server.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.exe
%AppData%\wintouch\wintouch.exe
%AppData%\wintouch\wtuninstaller.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
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 "a.exe" has the following possible countries of origin:
OriginNumber of Incidents
China11
Taiwan9
Switzerland1

The following threats are known to be associated with the file "a.exe":
Threat AliasNumber of Incidents
Trojan Horse [Symantec]173
TrojanDropper:Win32/Sirefef.A [Microsoft]148
Mal/Generic-A [Sophos]79
Generic Dropper.mr [McAfee]73
Troj/Sirefef-B [Sophos]73
Trojan-Dropper.Win32.Agent.bgyk [Kaspersky Lab]72
Trojan.Generic [PC Tools]48
Trojan-Dropper.Win32.PMax.a [Kaspersky Lab]45
Dropper/Agent.80896.AS [AhnLab]36
Generic.dx [McAfee]30
Mal/EncPk-KO, Mal/EncPk-JY, Mal/FakeVirPk-A [Sophos]30
Trojan.Win32.FraudPack.uod [Kaspersky Lab]30
Trojan-Dropper.Win32.Agent.bhan [Kaspersky Lab]30
Win32.SuspectCrc [Ikarus]28
Trojan.Win32.Midgare.adjf [Kaspersky Lab]26
Mal/EncPk-JY [Sophos]24
Trojan.Win32.Pakes.kmo [Kaspersky Lab]24
VirTool:Win32/Injector.gen!AG [Microsoft]23
Trojan.Pakes!sd6 [PC Tools]22
TrojanDropper:Win32/Kolosha.A [Microsoft]22
Trojan-Dropper.Win32.Sirefef [Ikarus]21
Mal/FakeAV-BZ [Sophos]20
BackDoor-CEP.gen.am [McAfee]17
Downloader-BWS [McAfee]16
Trojan.Vundo [Symantec]16
Trojan-Dropper.Win32.Agent.bgzf [Kaspersky Lab]16
Trojan.Midgare [Ikarus]15
Trojan-Dropper.Agent [Ikarus]15
Adware.Zestyfind [PC Tools]13
Keylog-Briss [McAfee]13
Trojan-Dropper.Win32.Agent.bgyw [Kaspersky Lab]12
Win-Trojan/Midgare.39325 [AhnLab]12
Mal/FakeDouf-B [Sophos]11
Mal/FakeAV-BZ, Mal/Krap-E [Sophos]10
Trojan.Win32.Pakes.kmb [Kaspersky Lab]10
Backdoor.Trojan [Symantec]9
Mal/Krap-H [Sophos]9
TROJ_BRISS.A [Trend Micro]9
Trojan-Dropper.Win32.Agent.bhca [Kaspersky Lab]9
Trojan-Spy.Win32.Briss.c [Kaspersky Lab]9
Dropper/Agent.80896.AW [AhnLab]8
Mal/TibsPk-A [Sophos]8
Suspicious.MH690 [Symantec]8
TROJ_ZLOB.AKT [Trend Micro]8
Trojan.Win32.Midgare [Ikarus]8
Trojan.Win32.Pakes.kmy [Kaspersky Lab]8
Trojan-Downloader.VB!sd6 [PC Tools]8
Trojan-Downloader.Win32.VB.lih [Kaspersky Lab]8
Win-Trojan/OnlineGameHack.B [AhnLab]8
Win-Trojan/Xema.variant [AhnLab]8
Trojan-Dropper.Win32.PMax [Ikarus]7
Adware.WinFavorites [Symantec]6
Generic Downloader.ab [McAfee]6
Generic PWS.ak [McAfee]6
Packed.Generic.268 [Symantec]6
Packed.Win32.Krap.ag [Kaspersky Lab]6
Spyware:Win32/WinFavorites [Microsoft]6
Troj/Briss-A [Sophos]6
Trojan.Win32.Fakemalard [Ikarus]6
VirTool:Win32/Injector.gen!AH [Microsoft]6
Worm:Win32/Taterf.B [Microsoft]6
Mal/Frethog-B [Sophos]5
FakeAlert-EL [McAfee]4
Troj/BadCab-A [Sophos]4
Trojan.Win32.Pakes [Ikarus]4
TrojanDownloader:Win32/Renos.GW [Microsoft]4
Trojan-GameThief.Win32.Magania [Ikarus]4
Trojan-Spy.Win32.Briss.e [Kaspersky Lab]4
Generic Dropper!bet [McAfee]3
Infostealer [Symantec]3
Mal/Behav-009 [Sophos]3
Mal/EncPk-HW [Sophos]3
Packed.Win32.Klone [Ikarus]3
Trojan-Dropper.Win32.Agent.bgxi [Kaspersky Lab]3
W32.Fiala.A [Symantec]3
W32.Gammima.AG [Symantec]3
Win32/IRCBot.worm.variant [AhnLab]3
Win-Trojan/Briss.40960.B [AhnLab]3
Backdoor.Poison [Ikarus]2
Backdoor.Win32.Bifrose.fqs [Kaspersky Lab]2
Backdoor.Win32.Poison.k [Kaspersky Lab]2
Backdoor.Win32.Rbot.hyj [Kaspersky Lab]2
Backdoor:Win32/Poison.G [Microsoft]2
BackDoor-EFI [McAfee]2
BKDR_POISON.BH [Trend Micro]2
Generic Dropper [McAfee]2
Mal/EncPk-HL [Sophos]2
Mal/EncPk-IE [Sophos]2
Mal/EncPk-JD [Sophos]2
Mal/EncPk-LZ [Sophos]2
Mal/Generic-E [Sophos]2
Mal/Packer, Mal/EncPk-BW, Troj/Maran-Gen [Sophos]2
Malware.Virut [PC Tools]2
New Poly Win32 [McAfee]2
PWS:Win32/Frethog.AJ [Microsoft]2
Troj/Inject-JV [Sophos]2
Troj/Poison-K [Sophos]2
TROJ_DROPPER.CTY [Trend Micro]2
Trojan.Dropper [Symantec]2
Trojan.FakeAV!gen [Symantec]2