: If you actually use BCA (Bank Central Asia) or a similar service, log in directly through their official website or app to check for legitimate notifications.
: If you accidentally interacted with the file, run a full system scan using a reputable antivirus like Malwarebytes or Windows Defender .
: If the file is an attachment in an email, delete the email immediately and empty your trash folder.
: ZIP files are frequently used to bypass basic email filters. Once extracted, they often contain executable files (.exe, .vbs, .js) that install ransomware, trojans, or credential stealers .
: Hackers use names like "_BACKUP" or "BCA" (often mimicking Bank Central Asia or general business backups) to create a sense of urgency or legitimacy.
