82,399,351 programs installed

Should I remove Clean Master?

What percent of users and experts removed it?
18% remove it82% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #2,244
United States Rank #6,269
Reach 0.3282%
Installation trends (last 30 days)
Uninstallation trends (last 30 days)
Lifespan of installation (until removal)
< 4.97 days
146.69 days >
Average installed length: 77.08 days


v1.0 0.02%
1.0 99.98%

Clean Master


Clean Master is a program developed by Cheetah Mobile. The most used version is 1.0, with over 98% of all installations currently using this version. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. 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 main program executable is kcleaner.exe. The software installer includes 19 files and is usually about 12.06 MB (12,648,038 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 8. While about 12% of users of Clean Master come from the United States, it is also popular in Germany and United Kingdom.

Program detailsProgram details

URL: www.cmcm.com
Installation folder: C:\Program Files\cmcm\Clean Master\
Uninstaller: C:\Program Files\cmcm\Clean Master\uni0nst.exe
Estimated size: 12.06 MB

Program filesFiles installed by Clean Master

Program executable:kcleaner.exe
Name:Clean Master For PC
Clean Master
Path:C:\Program Files\cmcm\clean master\kcleaner.exe
Additional files:
  • cmcore.exe (by Kingsoft) - Clean Master For PC (Clean Master)
  • cmlive.exe (by Kingsoft) - Clean Master Online Upgrade
  • cmtray.exe
  • ktrashscan.dll - Kingsoft KTrashScan
  • uni0nst.exe - Clean Master Uninstall

Program behaviorsBehaviors exhibited

Scheduled Task
  • kcleaner.exe is scheduled as a task with the class '{F7942449-F694-4540-A105-A7DA78FD7419}' (runs on registration).
Scheduled Task (Boot/Login)
  • cmtray.exe is automatically launched at startup through a scheduled task named cmsc_Reg_HKLMWow6432Run.
  • cmcore.exe runs as a service named 'cmcore' (cmcore) "Clean Master Core Service".
Startup File (User Run)
  • cmcore.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Clean Master' and executes as C:\Program Files\cmcm\Clean Master\cmcore.exe.
Startup File (All Users Run)
  • cmtray.exe is loaded in the all users (HKLM) registry as a startup file name 'cmsc' which loads as "C:\Program Files\cmcm\Clean Master\cmtray.exe" -autorun.
Windows Firewall Allowed Program
  • cmtray.exe is added as a firewall exception for 'C:\Program Files\cmcm\Clean Master\cmtray.exe'.

How do I remove Clean Master?

Quickly and completely remove Clean Master from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall Clean Master 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Clean Master, click it, and then do one of the following:
    • Windows Vista/7/8: 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 Clean Master.

Win 7 (SP1) 46%
Win 8 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 18%
Keep it 82%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 52.04%
Windows 8 41.85%
Windows XP 3.14%
Windows Vista 2.97%
Which OS releases does it run on?
Windows 7 Ultimate 20.57%
Windows 7 Home Premium 17.15%
Windows 7 Professional 10.21%
Windows 8.1 9.86%
Windows 8.1 Pro 8.08%
Windows 10 Home 7.10%

Distribution by countryGeography

12.25% of installs come from the United States
Which countries install it?
  United States 12.25%
  Germany 10.85%
  United Kingdom 9.69%
  MA 6.04%
  DZ 5.72%
  Netherlands 4.76%
  Brazil 3.50%
  France 3.05%
  Egypt 2.86%
  India 2.75%
  Italy 2.75%
  Belgium 2.18%
  Russia 2.09%
  IQ 1.96%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 28.56%
Acer 21.37%
Dell 17.41%
ASUS 8.33%
Toshiba 6.26%
Lenovo 5.78%
Samsung 4.07%
Medion 1.81%
American Megatrends 0.93%
Common models
HP Pavilion g6 Notebook P... 7.31%
ASUS All Series 4.23%
HP Pavilion 15 Notebook P... 3.96%
HP 15 Notebook PC 3.35%
HP Pavilion dv6 Notebook ... 2.73%
Dell Inspiron N5110 2.64%


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