A newly discovered Trojan in the wild hacks into home wireless routers and changes their DNS settings to point to the attacker’s rogue DNS server. The new DNSChanger Trojan attack also indirectly infects any machine that connects to the router. The Trojan executes brute-force attacks on the Web interface of a router that only uses basic authentication. The attackers can send a victim to any Website, and most times return the correct site back to the user to evade detection. Never use default passwords in home routers, and keep it updated.”]
Source: https://www.darkreading.com/analytics/new-dns-trojan-hacks-home-routers