{"id":86,"date":"2014-01-07T14:46:00","date_gmt":"2014-01-07T17:46:00","guid":{"rendered":"https:\/\/www.psafe.com\/blog\/propaganda-virus-no-yahoo-infecta-pcs-todo-mundo"},"modified":"2022-05-18T10:42:32","modified_gmt":"2022-05-18T13:42:32","slug":"propaganda-virus-no-yahoo-infecta-pcs-todo-mundo","status":"publish","type":"post","link":"https:\/\/www.psafe.com\/blog\/propaganda-virus-no-yahoo-infecta-pcs-todo-mundo\/","title":{"rendered":"Propaganda com v\u00edrus no Yahoo infecta PCs de todo o mundo"},"content":{"rendered":"<p>Milhares de computadores foram infectados com amea&ccedil;as depois de um an&uacute;ncio malicioso ser publicado no site Yahoo. Os usu&aacute;rios da p&aacute;gina clicavam para ver a propaganda e acabavam sendo v&iacute;timas do golpe, que foi descoberto e impedido imediatamente.<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/static.psafe.net\/blog\/propaganda-com-virus-yahoo-infecta-pcs-todo-mundo_2014-01-07.jpg\" style=\"height:419px; width:600px\" \/><\/p>\n<h2>Como aconteceu<\/h2>\n<p>O ataque foi feito atrav&eacute;s de um banner publicit&aacute;rio. O usu&aacute;rio que se interessava pelo an&uacute;ncio clicava no mesmo e era encaminhado para o kit de invas&atilde;o, apelidado de Magnitude. Com isso, as vulnerabilidades do Java do computador eram automaticamente detectadas e as amea&ccedil;as instalavam-se atrav&eacute;s de um hospedeiro.<\/p>\n<p>Este hospedeiro inseria v&aacute;rias amea&ccedil;as diferentes no sistema, como Zeus, Andromeda, Necurs, Drokbot\/Ngrbot e Tinba\/Zusy.<\/p>\n<p>O golpe foi descoberto e acredita-se que tenha iniciado no dia 30 de dezembro, mas pode ter come&ccedil;ado ainda antes. No per&iacute;odo em que o banner malicioso estava no ar, cerca de 27 mil usu&aacute;rios por hora foram afetados pela amea&ccedil;a. Este n&uacute;mero &eacute; uma estimativa e especialistas dizem que os usu&aacute;rios mais afetados foram os que moram nos pa&iacute;ses Fran&ccedil;a, Reino Unido e Rom&ecirc;nia.<\/p>\n<p>O banner j&aacute; foi retirado do site e representantes do Yahoo informaram que v&atilde;o continuar o monitoramento de an&uacute;ncios, para evitar que novos ataques aconte&ccedil;am.<\/p>\n<h2>Como se proteger<\/h2>\n<p>Estar atento ao formato dos an&uacute;ncios &eacute; uma boa estrat&eacute;gia. Mas &eacute; ainda melhor poder se proteger com o <a href=\"https:\/\/www.psafe.com\/Antivirus\">PSafe Antivirus<\/a>. Ele cont&eacute;m a Prote&ccedil;&atilde;o Proativa, que detecta comportamentos suspeitos e, por isso, vai bloquear o acesso ao banner malicioso.<\/p>\n<p>Al&eacute;m disso, voc&ecirc; pode usar o navegador <a href=\"https:\/\/www.psafe.com\/Web\">PSafe Web<\/a>, fazendo o bloqueio de propagandas. Assim, voc&ecirc; n&atilde;o vai nem ver os an&uacute;ncios e vai ter ainda mais prote&ccedil;&atilde;o!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Milhares de computadores foram infectados com amea&ccedil;as depois de um an&uacute;ncio malicioso ser publicado no site Yahoo. Os usu&aacute;rios da p&aacute;gina clicavam para ver a propaganda e acabavam [&hellip;]<\/p>\n","protected":false},"author":114,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[144,182,1501],"class_list":["post-86","post","type-post","status-publish","format-standard","hentry","category-ciberseguranca","tag-computador","tag-malware","tag-yahoo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Propaganda com v\u00edrus no Yahoo infecta PCs de todo o mundo<\/title>\n<meta name=\"description\" content=\"Milhares de computadores foram infectados com amea&ccedil;as depois de um an&uacute;ncio malicioso ser publicado no site Yahoo. 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