很多人突然收到短信！有人损失惨重！

Group 1 - Recent fraudulent messages claiming to be from the "National 12315 Platform" are circulating, offering refunds from various training and fitness institutions, urging recipients to scan QR codes to join groups [1][3] - Victims, like Mr. Zhu from Shanghai, have been misled into believing these refund announcements are legitimate, leading them to contact scammers posing as refund customer service [4][6] - Scammers create a false sense of security by providing fake business licenses and initially paying small returns on investments, which encourages victims to invest larger sums [7][9] Group 2 - The scam involves obtaining personal information through illegal means and sending counterfeit documents to lure victims into refund groups, where they are further manipulated [9] - Warning signs of potential scams include requests for "unfreezing fees" or "service charges," as well as pressure from supposed friends or experts to invest quickly [11][12] - Common tactics include promises of guaranteed returns, delayed withdrawals, and requests for additional funds under various pretexts, ultimately leading to financial loss for victims [9][14]