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ThreatExpert's awareness of the file "6to4ex.dll":

Across all ThreatExpert reports, the file "6to4ex.dll" was mostly identified as a threat.
File "6to4ex.dll" has the following statistics:
Total number of reports analysed611,932
Number of cases that involved the file "6to4ex.dll"49
Number of incidents when this file was found to be a threat47
Statistical volume of cases when "6to4ex.dll" was a threat96%
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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.
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The file "6to4ex.dll" is known to be created under the following filename:
%System%\6to4ex.dll
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 file "6to4ex.dll" has the following possible country of origin:
OriginNumber of Incidents
China1

The following threats are known to be associated with the file "6to4ex.dll":
Threat AliasNumber of Incidents
Generic BackDoor.t [McAfee]26
Dialer.Gh0st.Gen [PC Tools]16
Infostealer [Symantec]11
Troj/Bckdr-QMR [Sophos]10
Trojan.Win32.Dialer.bib [Kaspersky Lab]10
Virus.Win32.Dialer.1313 [Ikarus]10
Mal/Behav-010 [Sophos]9
Trojan Horse [Symantec]9
TrojanDropper:Win32/Redosdru.A [Microsoft]9
Trojan.Win32.Rootkit.C [Ikarus]8
Backdoor.Trojan [Symantec]7
Trojan.Win32.Dialer [Ikarus]7
Backdoor:Win32/Farfli.K [Microsoft]6
Trojan:Win32/Adialer.LB [Microsoft]6
Mal/Behav-170, Mal/Whybo-A, Mal/RKFarfli-B [Sophos]4
Win-Trojan/Dialer.100864.J [AhnLab]4
Backdoor:WinNT/Farfli.E!sys [Microsoft]3
Trojan.Win32.Dialer.any [Kaspersky Lab]3
Trojan.Win32.Dialer.aqm [Kaspersky Lab]3
Trojan.Win32.Dialer.aym [Kaspersky Lab]3
Win-Trojan/Dialer.90624.C [AhnLab]3
BackDoor-CKB [McAfee]2
Dropper/Rootkit.90112 [AhnLab]2
Generic Dialer [McAfee]2
Mal/Behav-010, Mal/Behav-027 [Sophos]2
Mal/Behav-170 [Sophos]2
Mal/RKFarfli-B [Sophos]2
Mal/RKFarfli-B, Mal/Behav-170, Mal/Whybo-A [Sophos]2
Mal/Whybo-A, Mal/Behav-170, Mal/PcClient-I, Mal/RKFarfli-B [Sophos]2
Mal/Whybo-A, Mal/RKFarfli-B [Sophos]2
Trojan-Spy.Win32.Agent.axdh [Kaspersky Lab]2
Win-Trojan/Dialer.100864.K [AhnLab]2
Backdoor.Formador [PC Tools]1
Backdoor.Pcclient [Symantec]1
Backdoor.Trojan [PC Tools]1
Backdoor.Win32.Inject [Ikarus]1
Dialer:Win32/Xeigh [Microsoft]1
Email-Worm.Warezov [PC Tools]1
Generic Dropper [McAfee]1
Generic PUP.x [McAfee]1
Infostealer.Gampass [Symantec]1
Mal/Behav-160, Mal/Emogen-E [Sophos]1
Mal/Behav-170, Mal/Behav-035 [Sophos]1
Mal/Behav-170, Mal/Behav-228 [Sophos]1
Mal/Behav-228, Mal/Behav-010 [Sophos]1
Mal/DllHook-A [Sophos]1
not-a-virus:AdWare.Win32.Adstart [Ikarus]1
PWS:Win32/OnLineGames.KA [Microsoft]1
Trojan.Dialer!sd6 [PC Tools]1
Trojan.Dialer.bib [PC Tools]1
Trojan.Generic [PC Tools]1
Trojan.KillAV [Symantec]1
Trojan.Win32.BHO.vmn [Kaspersky Lab]1
Trojan.Win32.Dialer.adu [Kaspersky Lab]1
Trojan.Win32.Dialer.afs [Kaspersky Lab]1
Trojan.Win32.Dialer.agk [Kaspersky Lab]1
Trojan.Win32.Dialer.anp [Kaspersky Lab]1
Trojan.Win32.Dialer.djo [Kaspersky Lab]1
Trojan.Win32.Dialer.esy [Kaspersky Lab]1
Trojan.Win32.Dialer.evd [Kaspersky Lab]1
Trojan.Win32.Dialer.gtv [Kaspersky Lab]1
Trojan.Win32.MMM.arb [Kaspersky Lab]1
TrojanDownloader:Win32/Somex.A [Microsoft]1
Trojan-Spy.Win32.Agent.awly [Kaspersky Lab]1
W32.Stration@mm [Symantec]1
Win-Trojan/Backdoor.97323 [AhnLab]1
Win-Trojan/Downloader.36864.HS [AhnLab]1
Win-Trojan/Rootkit.69652 [AhnLab]1
Win-Trojan/Xema.101467 [AhnLab]1