: Use a reputable security tool like CrowdStrike or ESET to scan your device for infections.

If you're specifically interested in a tool like FaceHacker v5.5 for legitimate purposes, I recommend:

: Immediately update the passwords for your email and financial accounts from a different, clean device .

Turn on Two-Factor Authentication in your Facebook settings. This ensures that even if someone has your password, they cannot log in without a code from your phone. Legitimate Ways to Access an Account