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

Across all ThreatExpert reports, the file "twext.exe" was mostly identified as a threat.
File "twext.exe" has the following statistics:
Total number of reports analysed611,932
Number of cases that involved the file "twext.exe"604
Number of incidents when this file was found to be a threat467
Statistical volume of cases when "twext.exe" was a threat77%
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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 "twext.exe" is known to be created under the following filename:
%System%\twext.exe
Note: %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).

The following threats are known to be associated with the file "twext.exe":
Threat AliasNumber of Incidents
TrojanSpy:Win32/Zbot.gen!C [Microsoft]130
PWS-Zbot.gen.c [McAfee]111
Packed.Generic.196 [Symantec]89
Infostealer.Banker.C [Symantec]87
Virus.Win32.VB.FEW [Ikarus]84
Mal/VB-Z, Mal/Behav-211 [Sophos]69
Virus.Win32.Dropper.BEJ [Ikarus]54
Mal/EncPk-CZ [Sophos]45
Mal/EncPk-GS, Mal/TibsPk-D [Sophos]43
Win32/IRCBot.worm.variant [AhnLab]36
Trojan:Win32/Zbot.BW [Microsoft]35
Trojan Horse [Symantec]29
Trojan.Win32.Zbot [Ikarus]25
Trojan-Spy.Win32.Zbot.roh [Kaspersky Lab]24
Mal/Zbot-H [Sophos]23
Infostealer [Symantec]21
Trojan:Win32/Zbot.BY [Microsoft]18
Mal/EncPk-GS [Sophos]17
Spy-Agent.bw [McAfee]14
Mal/TibsPk-D [Sophos]12
PWS:Win32/Zbot.GA [Microsoft]12
Infostealer.Bancos [Symantec]11
Mal/VB-Z, Mal/Behav-211, Mal/Behav-009 [Sophos]11
Mal/Zbot-I [Sophos]11
Suspicious.MH690 [Symantec]10
Mal/EncPk-FW [Sophos]9
Mal/EncPk-HJ [Sophos]9
Trojan.Banker.LER [Ikarus]9
Backdoor.Paproxy [Symantec]7
Downloader [Symantec]7
VirTool:Win32/CeeInject.gen!J [Microsoft]7
Mal/EncPk-GS, Mal/EncPk-FW [Sophos]6
Mal/Zbot-G, Mal/EncPk-CZ [Sophos]6
New Malware.ix [McAfee]6
PWS:Win32/Zbot.BY [Microsoft]6
PWS:Win32/Zbot.gen!Q [Microsoft]6
PWS:Win32/Zbot.VA [Microsoft]6
Troj/FakeAle-LE [Sophos]6
Trojan-Dropper.Delf [Ikarus]6
Downloader.MisleadApp [Symantec]5
Mal/FakeVirPk-A [Sophos]5
Spy-Agent.dp.gen [McAfee]5
Trojan.Dropper [Symantec]5
Win32.Outbreak [Ikarus]5
Mal/EncPk-FS [Sophos]4
Mal/EncPk-HJ, Mal/EncPk-HJ [Sophos]4
Mal/EncPk-HZ [Sophos]4
Mal/Zbot-H, Mal/EncPk-CZ [Sophos]4
Trojan-Spy.Win32.Zbot.gar [Kaspersky Lab]4
Trojan-Spy.Win32.Zbot.gen [Kaspersky Lab]4
Trojan-Spy.Win32.Zbot.gxn [Kaspersky Lab]4
VirTool.Win32.CeeInject [Ikarus]4
Generic Dropper.cc [McAfee]3
Mal/EncPk-IF [Sophos]3
PWS:Win32/Zbot.C [Microsoft]3
PWS:Win32/Zbot.FAK [Microsoft]3
PWS:Win32/Zbot.VM [Microsoft]3
Troj/Agent-ILE [Sophos]3
Troj/Agent-JCY [Sophos]3
Troj/Musor-Gen [Sophos]3
Trojan.Win32.Buzus.angb [Kaspersky Lab]3
Trojan.Win32.VB.ktq [Kaspersky Lab]3
Trojan-PSW.Banker [PC Tools]3
Trojan-Spy.Win32.Zbot.hkp [Kaspersky Lab]3
VirTool:Win32/DelfInject.gen!AC [Microsoft]3
VirTool:Win32/VBInject.C [Microsoft]3
Virus.Win32.Enteos [Ikarus]3
Virus.Win32.Zbot.APE [Ikarus]3
Win-Trojan/Xema.variant [AhnLab]3
Win-Trojan/Zbot.88064 [AhnLab]3
Worm.Win32.Pinit.gen [Kaspersky Lab]3
Backdoor.Bifrose [Symantec]2
Backdoor.Trojan [Symantec]2
Backdoor.Win32.IRCBot.grs [Kaspersky Lab]2
BackDoor-DVL [McAfee]2
Generic Dropper.bw [McAfee]2
Generic Dropper.kj [McAfee]2
Generic PWS.cq [McAfee]2
Mal/Dropper-T [Sophos]2
Mal/EncPk-FZ, Mal/EncPk-CZ [Sophos]2
Mal/EncPk-HZ, Mal/Zbot-J [Sophos]2
Mal/EncPk-JI [Sophos]2
PWS:Win32/Zbot.NW [Microsoft]2
PWS:Win32/Zbot.VL [Microsoft]2
PWS-Zbot [McAfee]2
Troj/VB-EBX [Sophos]2
Trojan.Delf.Inject [Ikarus]2
Trojan.Dropper [PC Tools]2
Trojan.Win32.Obfuscater [Ikarus]2
Trojan.Win32.Pakes.lge [Kaspersky Lab]2
Trojan.Win32.VB.nmr [Kaspersky Lab]2
Trojan:Win32/Zbot.BT [Microsoft]2
Trojan-Dropper.Win32.Pincher.tl [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.ffd [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.fnv [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.gal [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.gaq [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.gga [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.ghq [Kaspersky Lab]2
Trojan-Spy.Win32.Zbot.giv [Kaspersky Lab]2