Security Master Antivirus

The original CM Security upgraded to the  Security Master – Antivirus, VPN, AppLock, Booster (by CM, Cheetah Mobile) and redefined the scope of Phone Security: protects not only your phone but also your privacy. Security Master introduced Intelligent Diagnosis to detect your phone status, including Antivirus, Junk Clean, and Phone Booster (Battery Saver, and CPU Cooler) in time. With our upgraded Safeconnect VPN & proxy you can also unblock all your favorite websites whenever and wherever you want. All the necessary features to keep your phone safe & healthy.

Security Master Key features

  •  Intelligent Diagnosis – Antivirus, Junk Clean, and Phone Booster
  • Our famous big button design upgraded to intelligently diagnose your most needed solution.
  • Antivirus – Keep your phone and privacy safe from virus & malware with #1 antivirus engine.
  • Junk Clean – Intelligently scan and remove junk files including system and app caches with just one tap.
  • Phone Boost, Battery Saver, and CPU Cooler Remove background apps that take high memory usageoverheat
  • and drain battery, optimize phone performance and speed up phone.

SafeConnect VPN

  • Security Master (by CM) presents free and high speed VPN, proxy & unblock solution. With SafeConnect VPN,
  • you can bypass firewalls and freely access sensitive websites , watch videos not available in your country
  • anonymously without being tracked. Use our proxy server to hide your IP address and apply virtual location,
  • protect your online activities to prevent leak of online banking information, private messages, and browsing
  • history. One touch to connect to VPN! No registration required!

Message Security

  • Message Security (by CM) hides notifications timely to protect your privacy. It gathers all chat notifications
  • into one and makes them easier to read & manage.


  • AppLock – Lock Bluetooth & Wi-Fi switches, incoming calls, apps, photos, or any private data with a pattern,
  • PIN code, or fingerprint.
  • Intruder Selfie – Take photo of intruders who trying to break in your phone. AppLock feature protects apps
  • privacy from snoopers. (Intruder Selfie for phone luck screen needs device administrator permission)
  • Disguise cover – Disguises lock screen so that no one is aware of you are using AppLock while keeping your
  • secret & privacy safe

How to install?

  1. Save the downloaded .apk on your android phone’s SD card
  2. Run and install it
  3. That’s it,Enjoy! 




Security Master Antivirus VPN AppLock Booster v5.0.0 Premium APK (22.7 MB) / Mirror / Mirror / Mirror /

LitePaste ( All Links Available including Mirrors) <-Recommended

Security Master Antivirus VPN AppLock Booster v4.9.7 Premium APK (22.7 MB) / Mirror / Mirror /

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