“Don’t scan infected QR codes!”
Shanghai metro law enforcement asked commuters to report QR code scanning solicitors seen in the subway to their hot line 6437-0000. Marketing employees usually prey on metro commuters, asking them to scan a QR code to follow their company’s WeChat. But officers warned of potential viruses that can infect mobile phones after scanning a malicious QR code. According to regulations, advertisers and solicitors are not allowed on the subway, though enforcement is often lax.