Never grant permanent permission to "Install Unknown Apps" for your mobile browser.
Beyond financial fraud, WhatsApp mods have also been found to contain sophisticated spyware modules designed for surveillance. Kaspersky researchers discovered a WhatsApp mod containing a spy module they detect as Trojan-Spy.AndroidOS.CanesSpy, which was distributed through Telegram and primarily targeted Arabic-speaking users. whatsapp 511 apk verified
This is the "verified" trap. Hackers love popular search terms. They create a file called WhatsApp_511_Verified.apk and inject it with: Never grant permanent permission to "Install Unknown Apps"