Dr.Web Anti-theft detects device location or locks its functions in case it has been lost or stolen.
Dr.Web Anti-theft settings are available in the Anti-theft section.
•Select the Enable Anti-theft check box to enable the component.
•In the Password field, enter a password (the password must contain at least four characters). This is a required field. The password will be used to manage all functions of Dr.Web Anti-theft.
•Select the Delete information after 10 password-entry errors check box to completely erase all personal data from the device after 10 failed attempts to enter the password.
•Tap Generate the unlock code to remotely unlock a user device (see below for details).
•Select the Lock device > After reboot check box to lock the device after it is restarted.
•Select the Lock device > If SIM card is changed check box to lock the device in case a SIM card is changed.
•In the Text on lock screen field, enter a message text, e.g., contact information to return the lost device.
•In the Buddies list field, add phone numbers from which the user will be able to receive SMS commands without a password. The user can also receive an SMS command from these numbers to disable Dr.Web Anti-theft and reset its password.
•Select the Inform your Buddies about a SIM card change check box to notify the user's buddies about the change of a SIM card on the device.
You can unlock device in either of the two ways:
•using the QR code sent by the device user.
To generate the unlock code using the station ID and recovery code
1.Get the station ID and the recovery code from the device user. The data is displayed on the screen of the locked device.
2.Select the Anti-virus network item in the main menu of the Control Center.
3.In the Anti-virus network panel, click the 
icon.
4.Enter the station ID in the Search filed and click Apply.
5.Expand the anti-virus network tree and click the station to see its properties.
6.On the Station properties panel in the Configuration > Android section, click Anti-theft.
7.On the station Anti-theft settings page, click Generate the unlock code.
8.Enter the recovery code you received from the user in the field in the pop-up window and click Next.
On the screen, you will see the unlock code that you need to send to the user.
To generate the unlock code using a QR code
1.Get the QR code displayed on the screen of the locked device from the device user.
2.Select the Anti-virus network item in the main menu of the Control Center.
3.Select General > QR code recognition in the menu on the left.
4.Drag the QR code in the .png or .jpeg format to the drag-and-drop area or click the area to select the QR code file using the explorer. If the QR code is uploaded successfully, the station ID and recovery code appear below the drag-and-drop area.
5.Click Generate the unlock code.
On the screen, you will see the unlock code that you need to send to the user.
After generating the unlock code you can share the code with the user by any means available, including sending the code to the specified email address.
1.Select the View the unlock code check box to view the symbolic or QR unlock code. You can copy the symbolic code from the field or by clicking 
to the right of the field. You can also download the QR code in the .png format by clicking Download under the QR code.
2.Select the Send the unlock code to email check box to send the symbolic and QR unlock codes to the specified email address. Enter the address in the required Email address field.
3.Click Done.
The status of the email containing the unlock codes will appear at the top of the screen.
Once the user enters or scans the unlock code, the device is unlocked.