CM Security Master – Antivirus, VPN, AppLock, Booster 5.1.7 Apk

Download CM Security Master – Antivirus, VPN, AppLock, Booster Apk for Android

CM Security Master – Antivirus, VPN, AppLock, Booster 5.1.7 APK for Android

CM Security Antivirus AppLocker VIP is the best anti-virus program for Android system designed by Cheetah Mobile Studio.

With this application is able to detect viruses, spyware and worms in the smartphone at extraordinary speed and eliminate them with ease!
If you ever feel that your mobile speed is low, viruses infiltrate the system and slow it down, and you need a cleaner and optimizer, then CM Security Master will come in handy with powerful dual-mode domestic drivers and 16 years from its release date!

You may have an antivirus program on your mobile device and feel that the speed of virus scanning and detection is high, but the company that produces this program claims that the scanning speed by CM Security Master antivirus is more than 50% of other antivirus programs and this 2 MB application provides you with complete security for your smartphone!

CM Security Antivirus AppLocker has been downloaded more than 100 million times so far and received a rating of 4.7 out of 5.0 points by Google Play users! Box Tech brings you the latest version of the WiiIP program with all its features available for download with a direct and free link!

Some of the features of CM Security Antivirus AppLocker for Android:

  1. Scan all installed files and programs to identify viruses and trojans.
  2. Clear two memories from one internal memory and one external memory to remove threats.
  3. Activate 24 hours to scan new apps in real time.
  4. Clear memory to remove extra files with 50% more power than competitors!.
  5. The presence of powerful and functional functions to prevent unwanted phone calls, either automatically or manually.
  6. Block malicious and phishing URLs and also protect you from the internet.
  7. Supports various languages.


The original CM Security has been upgraded to 🆕 Security Master – Antivirus, VPN, AppLocker, Booster (by CM, Cheetah Mobile) and redefined the scope of the phone security: not only protects your phone, it protects your privacy as well. Security Master provided smart diagnostics to discover your phone’s status, including Antivirus, Junk Clean, Phone Booster (Battery Saver and CPU Cooler) in time. All necessary features to keep your phone safe and healthy.

Key Features of Key Security:

  • 💎 Smart Diagnosis – Antivirus, Junk Cleanup, Phone Booster

Our popular big button design has been upgraded to intelligently diagnose the solution you most need.
Antivirus – Keep your phone and privacy safe from viruses and malware with the # 1 antivirus engine.
Junk Clean – Smartly scan and remove junk files including system cache and apps with just one click.
Phone Boost, Battery Saver and CPU Cooler – Remove background apps that require high memory usage, overheat and drain battery, improve phone performance, and speed up phone

  • 📡 Safe Connect VPN:

Security Master (by CM) offers free VPN, proxy and unblock solution. With Safe Connect VPN, you can apply virtual location to enhance security, freely access favorite content and protect data transmission over the Internet to prevent leakage of online banking information, private messages and browsing history.

Message Security
Message Security (by CM) hides notifications in real time to protect your privacy. It collects all the chat notifications into one and makes it easier to read and manage.

  • 🔒 App lock:

AppLocker – Lock Bluetooth and Wi-Fi keys, incoming calls, apps, photos, or any pattern, PIN or fingerprint data.
Intruder Selfie – Take a photo of intruders trying to hack your phone. AppLocker feature protects app privacy from snoopers. (Intruder Selfie for phone lucky screen needs device admin permission)
Disguise cover – hide the lock screen so no one knows you are using AppLocker while keeping your privacy and security secret.

CM Security Master apk Logo 1


1. AppLock- A new use for fingerprint locks
2. Added sharing of your favorite AppLock themes to your friends
3. Added screen protection button to Private Browsing, to prevent accidental taps when watching videos

Download links

the official

Google Play

Download CM Security Master v5.1.7 apk (24MB)