The Winos4.0 malware is currently being disseminated through a search engine optimization (SEO) poisoning technique, where malicious sites are manipulated to rank highly in search results for credible software, specifically masquerading as an installation file for KakaoTalk. Recent reports confirm that over 5,000 devices have been infected by this malware, which initially appeared on March 9th. The malware pretends to be a KakaoTalk installer while secretly executing harmful activities upon installation.