84,488,480 programs installed

Should I remove Baidu Spark Browser?

What percent of users and experts removed it?
48% remove it52% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #5,422
United States Rank #18,807
Reach 0.0901%
Lifespan of installation (until removal)
< 2.56 days
75.39 days >
Average installed length: 39.61 days


33.9 Preview 10.14%
33.8.1001.55 0.11%
33.8.1001.46 0.51%
33.8 Preview 18.87%
33.7 Preview 15.04%
26.6 Preview 0.45%
26.5 Preview 54.87%

Baidu Spark Browser


Baidu Spark Browser is a program developed by Baidu. The most used version is 26.5 preview, with over 98% of all installations currently using this version. During setup, the program registers itself to launch on boot through a Windows Schedule Task in order to automatically start-up. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The software installer includes 68 files and is usually about 110.1 MB (115,445,273 bytes). sparkupdate.exe is the automatic update component of the software designed to download and apply new updates should new versions be released. In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 16% of users of Baidu Spark Browser come from Brazil, it is also popular in Egypt and MA.

Program detailsProgram details

Displayed publisher: Baidu Inc.
Help link: en.browser.baidu.com
Installation folder: C:\Program Files\baidu\spark
Uninstaller: "C:\Program Files\baidu\Spark\uninst.exe"
Estimated size: 110.1 MB

Program filesFiles installed by Baidu Spark Browser

  • bavcnsex.dll - Baidu Antivirus (Baidu Antivirus BavCnsEx)
  • bavcommon.dll - Baidu Antivirus Common Lib
  • bavpe.dll - Baidu Antivirus BavPe
  • bavqu.dll - Baidu Antivirus BavQu
  • cloudoptclient.exe - Baidu PC Faster (PC Faster Cloud Opt)
  • log.dll - Baidu Antivirus Log Library
  • crashreport.exe - Baidu (Baidu Bug Reporter)
  • crashul.exe - Baidu Antivirus BavCrashUL
  • sparkdoctor.exe - spark
  • sparkservice.exe
  • bdcommon.dll
  • bddownload.dll
  • bdextappmgr.dll
  • bdlogicmain.dll
  • bdmainui.dll
  • bdmessui.dll
  • bdstartlogic.dll
  • bdstatreport.dll
  • bdstorage.dll
  • browsercore.dll
  • ffmpegsumo.dll (by The Chromium Authors)
  • icudt.dll (by The ICU Project)
  • libegl.dll
  • libglesv2.dll
  • serviceplugin.dll
  • spark.exe
  • sparkupdate.exe
  • bdaccount.dll
  • bddataconverter.exe
  • bddoctor.dll
  • bdminiopenssl.dll
  • bdtray.exe
  • bdupdateui.dll
  • bdutil.exe
  • bdxctrl.dll
  • bdxui.dll
  • btengine.dll
  • hottoday.exe
  • localhostinfo.dll
  • p2p_service_dll.dll

Program behaviorsBehaviors exhibited

Scheduled Task
  • Spark.exe is scheduled as a task with the class '{F1722518-73F5-4BA0-9588-83C5D0165545}' (runs on registration).
Scheduled Task (Boot/Login)
  • sparkupdate.exe is automatically launched at startup through a scheduled task named SparkUpdater.
  • sparkservice.exe runs as a service named 'Spark Browser Service' (SparkSvc) "Spark Browser Service".
3 Windows Firewall Allowed Programs
  • bdtray.exe is added as a firewall exception for 'C:\Program Files\baidu\Baidu Browser\bdtray.exe'.
  • Spark.exe is added as a firewall exception for 'C:\Program Files\baidu\Spark26.5.9999.3313\Spark.exe'.
  • CrashUL.exe is added as a firewall exception for 'C:\Program Files\baidu\SparkSafe\CrashUL.exe'.

How do I remove Baidu Spark Browser?

You can uninstall Baidu Spark Browser from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Baidu Spark Browser, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Baidu Spark Browser.

Win 7 (SP1) 49%
Win 8 0%
Windows Service? Yes
(Installs a service)
Uninstall it 48%
Keep it 52%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 65.37%
Windows 10 28.44%
Windows XP 5.51%
Windows Vista 0.67%
Which OS releases does it run on?
Windows 7 Ultimate 38.75%
Windows 7 Professional 11.33%
Windows 7 Home Premium 8.61%
Windows 8.1 Pro 8.56%
Microsoft Windows XP 5.50%
Windows 8 Pro 3.80%

Distribution by countryGeography

16.47% of installs come from Brazil
Which countries install it?
  Brazil 16.47%
  Egypt 14.77%
  MA 9.55%
  Thailand 8.62%
  DZ 7.68%
  United States 6.86%
  IQ 6.62%
  Saudi Arabia 5.51%
  Indonesia 3.87%
  Italy 1.58%
  TN 1.47%
  United Arab Emirates 1.35%
  Iran 1.17%
  India 1.00%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 22.74%
Hewlett-Packard 21.96%
Dell 21.70%
Samsung 7.03%
ASUS 6.34%
Toshiba 5.73%
Lenovo 5.38%
Intel 0.95%
American Megatrends 0.69%
Common models
HP Pavilion g6 Notebook P... 6.53%
Dell Inspiron 3521 4.57%
Gigabyte G41MT-S2PT 3.10%
LENOVO 20157 2.28%
HP Pavilion 15 Notebook P... 2.12%
Dell OptiPlex 755 1.96%


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