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A simple text file with a few passwords should be very small (1 KB). If it is several megabytes, it likely contains hidden malicious code.

Use a trusted tool like Malwarebytes or your built-in Windows Defender . Check for Suspicious Processes: Press Ctrl + Shift + Esc to open Task Manager. Look for unfamiliar programs using high CPU or memory.

Authentic software developers almost never put passwords in a separate .txt file with emojis in the name. To help you secure your system, could you tell me:

If it looks like a text file but has a slightly "off" icon or no preview, it is suspicious.

that came with it?

Do not just move it to the trash; use Shift + Delete to permanently remove it.