VersionsVersions 1.72% 1.72% 1.72% 1.72% 22.41% 17.24% 1.72% 5.17% 1.72% 6.90% 1.72% 1.72% 1.72% 15.52% 6.90% 1.72% 1.72% 1.72% 5.17%



Bluetooth Software by Qualcomm Atheros (Signed)

Remove btvstack.exe


There are 19 versions of btvstack.exe in the wild, the latest version being btvstack.exe is run as a standard windows process with the logged in user's account privileges. During installation, a run registry key for all users is added that will cause the program to run each time any user logs on to Windows. In order execute the program with adminsitrator rights and prevent a UAC prompt, the program will add a job to the Windows Task Scheduler that will automtaiclaly start it when a user logs on. The average file size is about 126.23 KB. The file is a digitally signed and issued to Qualcomm Atheros by VeriSign. The programs Qualcomm Atheros Bluetooth Suite (64), Bluetooth Win7 Suite (64) and Qualcomm Atheros WLAN and Bluetooth Client Installation Program have been observed as installing specific variations of btvstack.exe. The executable is a .NET framework assembly utilizing the CLR. During the process's lifecycle, the typical CPU resource utilization is about 0.0020% including both foreground and background operations, the average private memory consumption is about 21.5 MB with the maximum memory reaching around 22.46 MB. Addionally, typically read and write I/O disk operations is about 1.04 KB per minute for reads and 3 Bytes per minute for writes.

What is btvstack.exe?

Extension Core is part of the Qualcomm Atheros Bluetooth software suite that manages installed devices with the integrated combo WLAN and Bluetooth chips.

About btvstack.exe (from Qualcomm Atheros)

Qualcomm Atheros Bluetooth technology. It’s a great way to sync and share files, photos, music, games and videos at the speed of Wi-Fi, but with the ease of Bluetooth. It’s also a great way to extend


File name:btvstack.exe
Publisher:Qualcomm Atheros Commnucations
Product name:Bluetooth Software
Description:Extension Core
Typical file path:C:\Program Files\bluetooth suite\btvstack.exe
Original name:btvStack.exe.mui
Issued to:Qualcomm Atheros
Authority (CA):VeriSign

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of Bluetooth Software.)
Atheros Communications
9% remove
Bluetooth Win7 Suite is a PC-based software package that provides the upper-layer Bluetooth stack functionality in support of the Atheros Bluetooth solution. Bluetooth Win7 Suite requires a Bluetooth ...
Atheros Communications
8% remove
Atheros Bluetooth Suite (64-bit version) is the Bluetooth Software module for Atheros Commnucations line of Bluetool products. Atheros provides its own Bluetooth stack for easy portability and also su...
Dell Inc.
7% remove
The Dell WLAN Utility is a wireless connection manager included with Dell Truemobile Wireless Cards.
Qualcomm Atheros
1% remove
Qualcomm Atheros Bluetooth® technology. It’s a great way to sync and share files, photos, music, games and videos at the speed of Wi-Fi, but with the ease of Bluetooth. It’s also a great way to extend...
Qualcomm Atheros
7% remove
Qualcomm Atheros
5% remove
Atheros new WLAN and Bluetooth combo solution goes beyond coexistence to enable cooperation between WLAN, Bluetooth and even 3G technologies co-located on PC platforms. To support this new level of ...


(Note, the behaviors below are for all versions of btvstack.exe, select a unique version for details.)
Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'BtvStack' → "C:\Program Files\Bluetooth Suite\BtvStack.exe"
Scheduled tasks
  • Entry path '\BtvStack'
Scheduled tasks startups
Set to load on user login (bypasses Windows UAC if enabled)
  • Login entry path '\BtvStack'
Policies Explorer run
  • BtvStack

VersionsAll file variations of btvstack.exe

MD5SHA-1File size
ff792bf9fe26b72c9b22b52fdc5caee9 0655e7ff7ccc57f7163dc1824b8c0de9094b5948 129.63 KB
5bc63879720da53548650c9dd632aa8c 898fe87e3d2e2d706b840dda80f158556fc4b205 129.63 KB
007480b5c27eeac80af169d7c4c1249d c1fdaa03b2c9014ed2b976b6f7f84db28fb5d897 129.63 KB
00db08c55c008b67301496213c106cd1 aa991d50efeb72ec9e1ec3352f68a69cbb4f5389 129.13 KB
b59448ba0a7fb008918de34365f8c79c dfe3cf826f47f70863389345edfb2854a4abacfc 129.63 KB
dc694b4d6f870095e56b0a9ceb3ec5ee 7a1745a381cbee23fa223b289391ec94cc8cb170 128.63 KB
73bd9f00a093c6ef7db9def21e6553d2 2241ee5f4b3775e850d2693e1e68d6e8812f94cf 126.63 KB
9bbaaae6abfc94fee12f321b920f9256 6f5053615d914860e0c1d3f3d33be51874a77ae5 125.63 KB
98b5149b691afbf97589472d1224a69b ee9c63aef229e6827dea097133df5522664ef787 124.63 KB
1afc9a70826b988efc013f75f43a8e6e f47b14ac28a71b936fb677be041ae6807f638b3c 124.63 KB
238ae7d7816b127df1bf40fe9fcb1d61 1e053e2e6af82fe9240010a9c93a66be54d0ce60 124.63 KB
db0ee7c5b810f68615d0ebcdaf56b97d 924f2044ebc5ab726f626b543361d45a5b546a2b 124.63 KB
dfc31ef816421183015602ac4f4024ad ae4a42a97c8f82ca1362a254b513ace643327156 124.63 KB
4518f9e8966d584ff52b2d3a65e2320d c8824cbf54fe76531740fdb1c2edb6f6d09fc34e 124.63 KB
6d06eba31ac414ca621f552c0ccc6879 a070d04e2ba17f8e9903a472e84a7c42d5c546fe 124.63 KB
74a7bc006b13cc8bd72eac6ca10212b0 95ead8533f0a031993cd9b782f921767c272d139 124.63 KB
3ea77ed754529075de4a1d39a030b35c bcfc0b98a7707cf8b97181084f2ce81d9c7d3713 124.63 KB
c346da8f86e8dc165f71c7da5fcb75a6 f7597c0ec4bba12228e03444574fdb80f809d59e 124.13 KB
efc5e0bf90d0071993d40f242dd56c04 d3b2f12beb54a838d0beea5eed5f1c6d742d9398 124.13 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 8 36.21%
Windows 8 Single Language 29.31%
Windows 8.1 10.34%
Windows 8 Pro 8.62%
Windows 8 Enterprise 5.17%
Windows 8.1 Single Language 3.45%
Windows 7 Home Premium 3.45%
Windows 8 Pro with Media Center 1.72%
Windows 7 Ultimate 1.72%

Distribution by countryDistribution by country

United States installs about 28.07% of Bluetooth Software.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 24.14%
Lenovo 20.69%
ASUS 18.39%
Sony 18.39%
Dell 13.79%
Toshiba 2.30%
Hewlett-Packard 1.15%
Samsung 1.15%
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