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One night, a college student named Arjun noticed something strange. His phone kept lighting up every night at exactly 2:17 AM, but there were no notifications. No messages. No calls. Nothing. At first he ignored it. But curiosity grew stronger. So one night he stayed awake and watched the phone carefully. At 2:17 AM, the screen lit up again. This time he quickly opened the system logs. There was a hidden process running—one that accessed the old notes app. Inside the notes, he found something