Downloading and using cracked software is a violation of copyright laws and the Terms of Service (ToS) of the applications. While individual users are rarely sued, the software itself is illegal to distribute and use.
Most tools found via "94fbr" that claim to be "Messenger Hack Tools" are actually . 94fbr messenger
If you are looking for a secure, feature-rich messenger, use the official versions from the Google Play Store, Apple App Store, or the developer's official website: Downloading and using cracked software is a violation