Upload the archive to VirusTotal before extracting it. This will check the file against dozens of antivirus engines to see if it contains known threats.
Files with cryptic names like this are frequently used to spread trojans, keyloggers, or ransomware. 1Fthehaters.7z
The best course of action is to delete it. Storing or sharing leaked personal data can lead to platform bans or legal consequences. Upload the archive to VirusTotal before extracting it