scareware
n.— «Researchers are also warning of new forms of scareware that are coming up on paid search results. Scareware is a term for fake antivirus software sites that appear to come from well-known vendors such as Microsoft.» —“Spammers Are Gaming Google’s Adwords” by Richard Adhikari InternetNews Jan. 22, 2009. (source: Double-Tongued Dictionary)
Further reading
Default as a noun and default as a verb are the same word, with a familiar English stress shift: nouns often take first-syllable stress, while verbs often take second-syllable stress, as with the different pronunciations of record. A New York City...
Ketchup, catsup, and catchup are all anglicized versions of a Chinese dialect term for a type of fish brine. In the 17th century, British and Dutch traders brought the sauce to Europe, and the name evolved, as did the recipe, which eventually...