Attempting to hack a Facebook account is illegal, violating anti-hacking laws such as the Computer Fraud and Abuse Act (CFAA) in the US and similar laws worldwide. How to Properly Secure Your Facebook Account
The installer files for these "hackers" frequently contain hidden payloads. When opened, they silently install adware that floods your browser with pop-ups, or worse, deploy ransomware that locks your personal files until you pay a fee. 3. Info-Stealers and Keyloggers
Beyond the personal risks, there is a stark legal reality to searching for and using tools like "Facebook Hacker V.2.9.0." Attempting to access a Facebook account without explicit authorization is a direct violation of federal and international computer fraud laws.