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For more tips on identifying these types of messages, the FTC Consumer Advice page provides a guide on recognizing and reporting "smishing" (SMS phishing).

Responding confirms that your number is active, which can lead to even more spam messages. 540363a697a81af831671862184tty3ff8gkdzswvab9u7h...

Did you receive this as part of a , or was it sent as a standalone string ? For more tips on identifying these types of

Most mobile carriers allow you to forward suspicious texts to 7726 (SPAM) to help block the sender. 540363a697a81af831671862184tty3ff8gkdzswvab9u7h...

Use the Google Messages spam protection or the Apple reporting feature to block and report the sender.

You can use tools like the F-Secure Text Message Checker to analyze the content if you're unsure.