: Use a reputable antivirus or anti-malware tool (like Windows Defender, Malwarebytes, or Bitdefender) to perform a deep scan of your system.
: If you entered any credentials or if the file successfully ran, change your important passwords (email, banking) from a different , clean device. Download Backdrop zip
: Look closely at the "From" address. Does it match a known contact? Even if it looks familiar, be aware that accounts can be spoofed or hacked. : Use a reputable antivirus or anti-malware tool