Should I block it?

No, this file is 100% safe to run.

Additional versions

12.0.0.1600	2.70%
6.5.0.3300	8.11%
6.5.0.2200	2.70%
6.3.0.8200	5.41%
6.3.0.7900	2.70%
6.3.0.7500	2.70%
6.3.0.7400	2.70%
6.3.0.6300	18.92%
6.3.0.6300	5.41%
6.3.0.6000	2.70%
6.3.0.5500	2.70%
6.3.0.3950	2.70%
6.2.5.500	2.70%
6.2.1.3100	2.70%
6.2.1.1500	2.70%
6.2.1.1100	13.51%
6.2.1.100	8.11%
6.2.1.100	8.11%
6.2.0.9602	2.70%

Relationships

PE file structure

Show functions

Import table

advapi32.dll

RegDeleteValueA, RegQueryInfoKeyA, RegEnumKeyExA, RegSetValueExA, CryptImportKey, CryptDecrypt, CryptGetUserKey, CryptGenKey, CryptExportKey, CryptEncrypt, CryptDestroyKey, InitializeSecurityDescriptor, CryptSetProvParam, CryptReleaseContext, CryptAcquireContextA, RegCreateKeyExA, RegDeleteKeyA, RegOpenKeyExA, RegQueryValueExA, RegCloseKey, RegEnumValueA

kernel32.dll

GetVersion, lstrlenW, CompareStringA, CompareStringW, lstrcmpiA, lstrcmpiW, lstrlenA, GetEnvironmentVariableA, GetEnvironmentVariableW, GetStringTypeExA, GetStringTypeExW, SetLastError, OutputDebugStringA, GetCurrentProcess, GetModuleHandleA, TzSpecificLocalTimeToSystemTime, GetTimeZoneInformation, InterlockedExchange, GetSystemDefaultLCID, IsValidCodePage, FileTimeToSystemTime, FileTimeToLocalFileTime, SystemTimeToFileTime, LocalAlloc, Sleep, InterlockedCompareExchange, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, QueryPerformanceCounter, GetTickCount, GetCurrentThreadId, GetCurrentProcessId, GetSystemTimeAsFileTime, LoadLibraryA, GetProcAddress, FormatMessageA, LocalFree, FreeLibrary, GetTempPathW, GetTempFileNameW, GetLocaleInfoA, GetVersionExA, WideCharToMultiByte, MoveFileA, MoveFileW, CopyFileA, CopyFileW, GetFileAttributesA, GetFileAttributesW, MultiByteToWideChar, GetTempFileNameA, GetTempPathA, GetACP, SystemTimeToTzSpecificLocalTime, GetThreadLocale, GetLastError

msvcr80.dll

DllMain

user32.dll

CharUpperW, CharUpperA, CharLowerW, CharLowerA

Export table

OSIF_AddObject

OSIF_Alloc

OSIF_CL_Close

OSIF_CL_GetCurrentAnchor

OSIF_CL_GetDatabaseId

OSIF_CL_GetFirstEntry

OSIF_CL_GetNextEntry

OSIF_CL_Open

OSIF_Close

OSIF_CodeToString

OSIF_CreateFilter

OSIF_DecodeFile

OSIF_DeleteFilter

OSIF_DeleteObject

OSIF_EncodeFile

OSIF_FindObject

OSIF_Free

OSIF_FreeObject

OSIF_GetCfgFolder

OSIF_GetEncoding

OSIF_GetFirstId

OSIF_GetFirstObject

OSIF_GetFormatType

OSIF_GetFormatTypeExtension

OSIF_GetNextId

OSIF_GetNextObject

OSIF_GetObjectById

OSIF_GetObjectCount

OSIF_GetObjectName

OSIF_GetProp

OSIF_IsPimSupported

OSIF_IsPresent

OSIF_IsSupported

OSIF_ModifyObject

OSIF_ObjectsConflict

OSIF_Open

OSIF_OpenX

OSIF_PIMId

OSIF_PIMToString

OSIF_PIMVersion

OSIF_ReadObjects

OSIF_ReplaceObject

OSIF_SetFolder

OSIF_WriteObject

OSIF_WriteObjectEx

btosif.dll

Bluetooth Software by Broadcom Corporation (Signed)

Remove btosif.dll

Version:	6.5.0.3300
MD5:	3d1bd090756db820ec5c1e9394bb33ec
SHA1:	4dcfe922ce192824167a5036a7acd1e4ec62ead6

What is btosif.dll?

BTOSIF module for Broadcom's OEM distributed Bluetooth Windows software drivers. This module is installed as part of the OEMs driver updates.

About btosif.dll (from Broadcom Corporation)

“With a pure digital CMOS approach and excellent blocking performance, Broadcom's Bluetooth chipsets and system solutions provide the technology to make wireless personal area networking a reality. Pro”

Details

File name:	btosif.dll
Publisher:	Broadcom Corporation.
Product name:	Bluetooth Software
Description:	BTOSIF DLL
Typical file path:	C:\Program Files\widcomm\bluetooth software\btosif.dll
File version:	6.5.0.3300
Size:	351.28 KB (359,712 bytes)
Certificate
Issued to:	Broadcom Corporation
Authority (CA):	VeriSign
Expiration date:	Saturday, April 21, 2012
Digital DNA
File packed:	No
Code language:	Microsoft Visual C# / Basic .NET
.NET CLR:	Yes
.NET NGENed:	No

More details

Programs

The following program will install this file

Broadcom Bluetooth Software

Broadcom Corporation

12% remove

Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 bands (1 MHz each; center...

Distribution by Windows OS

OS version	distribution
Windows 7 Home Premium	48.65%
Windows 7 Ultimate	24.32%
Windows 7 Professional	10.81%
Windows 7 Home Basic	8.11%
Windows Vista Home Premium	2.70%
Windows 8	2.70%
Windows 7 Enterprise	2.70%

Distribution by country

United States installs about 19.44% of Bluetooth Software.

Distribution by PC manufacturer

PC Manufacturer	distribution
Dell	35.29%
Hewlett-Packard	35.29%
Lenovo	23.53%
Samsung	5.88%

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