The best free antivirus.

Zoner AntiVirus® is a modern security and anti-virus solution for your device. It provides protection against viruses dialers trojans worms spyware adware and other malware as well as phone call and message protection.

You can test the antivirus using applications containing the EICAR test file like Zoner AntiVirus Test.

This app works on both mobile devices and tablets. You can switch the layout in settings.

Also try the pro version Zoner Mobile Security!

Features provided:
* Theft Protection (find and control your missing device)
* Installed app protection
* On-access and on-demand scan
* Phone filtering (block calls and messages)
* Parental lock for calls
* Permission viewer
* Task Manager
* Automatic and manual database updates
* Home screen widget
* Secure messages

Theft Protection enables you to remotely control and locate your device via SMS messages. If you have lost it somewhere you can get a location or sound an alarm for people to notice it. If it has been stolen you will be notified when SIM is changed.

App protection checks all newly installed applications for malware. You can scan any old installed applications from the menu.

On-access protection scans any downloaded files and optionally the whole SD Card when plugged in.

Phone filtering provides blocking of unwanted SMS/MMS and also protects you from malicious apps that call paid numbers. As a bonus it provides a parental lock for outgoing calls.

Secure messages are encrypted messages that you can send via SMS email facebook twitter etc.
Zoner AntiVirus uses strong encryption to send selected messages in unreadable form. The recipient can read those messages only when he has the right key (password).