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What is btmmhook.dll?

Part of Bluetooth Software by Broadcom.

What is it?

Multimedia Keys Hook module for Broadcom's OEM distributed Bluetooth Windows software drivers. This module is installed as part of the OEMs driver updates.
Description of btmmhook.dll from Broadcom.
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. Providing radio frequency, baseband, system and complete software support to OEMs and system integrators, Broadcom's Bluetooth chips enable the wireless sharing of data among scores of electronic devices, from mobile phones and wireless stereo headsets to PDAs and automobiles.
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How does btmmhook.dll run?

Process - btmmhook.dll is an instance of a running program. This 64-bit program executes with the privileges as the currently logged in user account. btmmhook.dll is executed by the process bttray.exe (Bluetooth Software by Broadcom).

How does btmmhook.dll start?

Process Module - btmmhook.dll is loaded as a DLL (dynamic link library) module within the process explorer.exe (Windows Explorer by Microsoft Corporation) via run-time dynamic linking.
Bluetooth Software is loaded by:


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the btmmhook.dll process running.Of the 0.4% of btmmhook.dll users, 10.0% have disabled it.
How resource intensive is btmmhook.dll?
Comparison based on the average resource utilization across all programs.
0.00001% CPU124.8%
Average CPU utilization across all programs is 0.00001%.
          3.2 MB RAM14.9%
Average private memory utilization across all programs is 21.53 MB.
         15 GDI objects10.0%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\Program Files\widcomm\bluetooth software\syswow64\btmmhook.dll

Are there other versions of Bluetooth Software?

What else is related?

What Windows OS versions does this run on?

Windows 8.1 (6.2.9200.0)

About Broadcom Corporation.

Broadcom Corporation engages in the design, development, and supply of semiconductors for wired and wireless communications equipment manufacturers. The company More...
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File details

File name: btmmhook.dll
Publisher: Broadcom Corporation. (verified)
Name: Bluetooth Software
Description: Multimedia Keys Hook DLL
Size: 194.87 KB
Original file name: BtMmHook.dll

Digital certificate

Certificate authority: VeriSign
Expiration date: 4/21/2012

Resource utilization

CPU utilization averages
Total CPU: 0.0000374376%
Privileged CPU: 0.0000249584%
User CPU: 0.00001247920792%
Privileged CPU time: 62.5 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 216,713,154
CPU cycle count /min: 237,069
Memory utilization averages
Committed memory: 71.29 MB
Peak committed memory: 71.29 MB
Paged memory: 3.2 MB
Peak paged memory: 3.2 MB
Paged system memory: 145.18 KB
Non-paged system memory: 8.98 KB
Working set memory: 47.11 MB
Peak working set memory: 47.61 MB
Min working set memory: 47.09 MB
Private memory: 3.2 MB
Page faults: 13,689
Page faults /min: 15
GUI Object Averages
GDI objects: 15
Peak GDI objects: 16
USER objects: 6
Peak USER objects: 6
Handle count average: 85
Thread count average: 1
Thread resource averages

Process details

Runs as (owner): User
Integrety level: Medium
Windows platform: 64-bit
Parent Process
Process Command
"C:\WINDOWS\SysWOW64\RunDll32.exe" "C:\Program Files\WIDCOMM\Bluetooth Software\SysWOW64\BtMmHook.dll",SetAndWaitBtMmHook

Image hashes

MD5: 0b03592e657c6f7f19840da8371a6b5e
SHA-1: a5492e6a967b4842c466aa5727e9c74a4bda4c62

PE image details

Subsystem: Windows GUI
File packed: No
Import Table
Export Table
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