Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

5.1.2600.5935 (xpsp_sp3_qfe.100211-1426) 12.90%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404) 58.06%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404) 3.23%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404) 3.23%
5.1.2600.5935 (xpsp_sp3_gdr.100211-1404) 3.23%
5.1.2600.5512 (xpsp.080413-0852) 6.45%
5.1.2600.3667 (xpsp_sp2_gdr.100211-1411) 3.23%
5.1.2600.2975 (xpsp.060816-0113) 3.23%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 6.45%

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
CryptAcquireContextW, RegCloseKey, RegEnumKeyExW, RegOpenKeyExW, RegEnumValueW, RegisterServiceCtrlHandlerW, SetServiceStatus, RegQueryValueExW, CryptReleaseContext, CryptGenRandom
dnsapi.dll
DnsReplaceRecordSetW
iphlpapi.dll
GetAdaptersAddresses, GetAdaptersInfo, NotifyAddrChange, NotifyRouteChange
kernel32.dll
FreeLibrary, QueryPerformanceCounter, ExpandEnvironmentStringsW, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetCurrentProcessId, GetCurrentThreadId, GetSystemTimeAsFileTime, LoadLibraryW, MultiByteToWideChar, WideCharToMultiByte, GetLastError, HeapAlloc, HeapFree, CreateTimerQueue, InterlockedIncrement, InterlockedDecrement, RegisterWaitForSingleObject, CreateEventW, CloseHandle, UnregisterWait, DeleteTimerQueueTimer, DeleteTimerQueue, CreateTimerQueueTimer, ChangeTimerQueueTimer, ReleaseMutex, WaitForSingleObject, UnregisterWaitEx, Sleep, GetComputerNameExW, HeapReAlloc, CreateFileW, DeviceIoControl, GetTickCount, HeapDestroy, CreateMutexW, HeapCreate, DisableThreadLibraryCalls, BindIoCompletionCallback, ReadFile, WriteFile, InitializeCriticalSection, LeaveCriticalSection, EnterCriticalSection, InterlockedExchange, DeleteCriticalSection, QueueUserWorkItem, SetEvent, SetLastError, GetProcAddress
msvcrt.dll
DllMain
mswsock.dll
GetAcceptExSockaddrs, AcceptEx
ntdll.dll
RtlInitUnicodeString, RtlGUIDFromString, RtlStringFromGUID
ole32.dll
CoUninitialize, CoCreateInstance, CoInitializeEx, CoTaskMemFree
rtutils.dll
TracePrintfExW, TraceDeregisterW, RouterLogRegisterW, TraceRegisterExW, RouterLogDeregisterW
wmi.dll
WmiNotificationRegistrationW
ws2_32.dll
WSALookupServiceEnd, WSALookupServiceBeginW, WSAEventSelect, WSASendTo, WSALookupServiceNextW, WSARecvFrom, WSAAddressToStringA, WSAAddressToStringW, getaddrinfo, WSAStringToAddressA, freeaddrinfo, WSASocketW, WSAIoctl, getnameinfo

6to4svc.dll

Service that offers IPv6 connectivity over an IPv4 network. by Microsoft

Remove 6to4svc.dll
Version:   5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)
MD5:   7f243906ca6636de466951b49112fb66
SHA1:   c3b5c40a4aed721036f73513a79c439eeff6c065
SHA256:   11345531ef28456913456b783c9746c50a1acf4d1130d331e40850ae27d71b80
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

6to4svc.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including IB Gateway published by Interactive Brokers, TD Waterhouse from ProTrader and TD Waterhouse by ProTrader. This version is installed on Windows XP.

DetailsDetails

File name:6to4svc.dll
Publisher:Microsoft Corporation
Product name:Service that offers IPv6 connectivity over an IPv4 network.
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\6to4svc.dll
File version:5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)
Product version:5.1.2600.2180
Size:98 KB (100,352 bytes)
Digital DNA
PE subsystem:Windows Console
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
IB Gateway
 Interactive Brokers
8% remove
Trader Workstation
 Interactive Brokers
1% remove
TWS 933
 Interactive Brokers
1% remove
TWS Beta 9170
 Interactive Brokers
2% remove
TD Waterhouse
 ProTrader
9% remove

BehaviorsBehaviors

Hosted services
Runs as a shared service under the Windows svcHost
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'
  • Shared name is '6to4'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

Distribution by countryDistribution by country

United States installs about 48.39% of Service that offers IPv6 connectivity over an IPv4 network..

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 27.27%
GIGABYTE 18.18%
Dell 18.18%
Gateway 18.18%
Sahara 9.09%
American Megatrends 9.09%
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