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:	6.3.0.6300
MD5:	989c246daa188729a2934d5e00222e65
SHA1:	957f4e1dea8b127036695d2debce85c47aafbd17
SHA256:	c54caef6c30855c26ad952977051a62b372246036cfd47149e5d21b73a7a4cb5

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:	6.3.0.6300
Size:	257.28 KB (263,456 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 programs will install this file

WIDCOMM Bluetooth Software

Broadcom Corporation

5% remove

Bluetooth wireless technology is an international open standard for allowing intelligent devices to communicate with each other over short range wireless links. It allows any sort of electronic equipment - from computers and cell phones to keyboards and headphones - to make its own connections, without wires, cables or any direct action from a user.

Lenovo Bluetooth with Enhanced Data Rate Software

Broadcom Corporation

3% remove

“This software is to add functions over the Microsoft Bluetooth software for Microsoft Windows Vista. So the version number of some of the software may not the same as the version number of this software. This package installs the software (Bluetooth with Enhanced Data Rate Software II) to enable the ThinkPad Bluetooth with Enhanced Data Rate and the Thinkpad Bluetooth 2.1 with Enhanced Data Rate. However, some models do not support Blue...”

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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