Using a modded APK instead of the official version from the Google Play Store or official Viber site carries heavy risks: Rakuten Viber Messenger 18.9.2.0 (nodpi) (Android 5.0+)
While there is no official "Extra Mod" for Viber from Rakuten Viber , third-party modded APKs like "Viber v18 Extra Mod" are often advertised to unlock premium Viber Plus features for free. Claimed Features of "Extra" Mods
Free access to paid sticker packs and unique app icons. Significant Security Risks
Removal of all banner and video ads within the app.
Deleting messages without leaving a "deleted message" notification.
Modded versions generally claim to provide features that are otherwise restricted to Viber Plus subscribers, including:
Allows you to read messages and see online statuses without revealing your own.