{"id":31516,"date":"2020-08-11T11:13:30","date_gmt":"2020-08-11T11:13:30","guid":{"rendered":"https:\/\/www.retarus.com\/blog\/emotet-returns-to-cause-even-greater-harm\/"},"modified":"2026-08-06T09:56:53","modified_gmt":"2026-08-06T09:56:53","slug":"emotet-returns-to-cause-even-greater-harm","status":"publish","type":"post","link":"https:\/\/www.retarus.com\/blog\/es\/emotet-returns-to-cause-even-greater-harm\/","title":{"rendered":"Nueva oldeada de taques de phishing, el virus troyano Emotet regresa"},"content":{"rendered":" <p class=\"wp-block-paragraph\">Tras una tregua de aproximadamente medio a\u00f1o, el virus troyano conocido como Emotet vuelve a inundar las bandejas de entrada de las empresas y autoridades con correos electr\u00f3nicos de apariencia aut\u00e9ntica y lo hace provocando consecuencias muy perjudiciales.<\/p>   <p class=\"wp-block-paragraph\">Desde finales de julio, los expertos de Retarus Threat Intelligence han observado constantes ataques de Emotet. Lo m\u00e1s intrigante de los correos electr\u00f3nicos de Emotet es que \u00abparecen\u00bb ser enviados por amigos o conocidos aut\u00e9nticos, incluyen en el texto referencias a correos electr\u00f3nicos anteriores e incluso adjuntan documentos de conversaciones previas. De esta manera, generan un entorno de confianza y familiaridad id\u00f3neo en el destinatario, que no duda en pinchar sobre el enlace recibido, provocando consecuencias fatales.<\/p>   <p class=\"wp-block-paragraph\">Normalmente, <a href=\"https:\/\/es.wikipedia.org\/wiki\/Emotet\" target=\"_blank\" rel=\"noreferrer noopener\">Emotet <\/a>utiliza documentos de Word contaminados con macro-virus para atacar los sistemas de IT. Los creadores de este malware -y aquellos que se benefician del mismo- almacenan dichos documentos en una serie de servidores -en apariencia fiables- que <a href=\"https:\/\/paste.cryptolaemus.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">alternan de manera constante<\/a>. Una vez el receptor abre uno de los archivos adjuntos y se activan las macros que contiene, el software malicioso lee la libreta de direcciones y los correos electr\u00f3nicos de Microsoft Outlook (tambi\u00e9n conocido como \u00abOutlook harvesting\u00bb) y utiliza dicha informaci\u00f3n para generar nuevos mensajes \u00abcontaminados\u00bb, que env\u00eda a destinatarios que est\u00e1n en la propia red corporativa atacada. Adem\u00e1s, Emotet es capaz de descargar software malicioso adicional para acceder a contrase\u00f1as de inicio de sesi\u00f3n o conseguir el acceso remoto, por ejemplo. El objetivo final de este malware es paralizar toda la infraestructura de IT de una empresa y\/o chantajearla para cobrar un rescate.<\/p>   <h2 class=\"wp-block-heading\" id=\"h-como-puede-protegerse-de-emotet\">\u00bfC\u00f3mo puede protegerse de Emotet?<\/h2>   <p class=\"wp-block-paragraph\">No existe ninguna protecci\u00f3n absolutamente eficaz contra Emotet, sobre todo porque este virus polif\u00f3rmico descubierto en 2014 es objeto de desarrollo constante y cambia incesantemente. No obstante, las soluciones de seguridad para el correo electr\u00f3nico, junto con la sensibilizaci\u00f3n adecuada de los usuarios, pueden lograr, en muchos casos, evitar el ataque de phishing o limitar las consecuencias del mismo.<\/p>   <p class=\"wp-block-paragraph\">Entre la gama de servicios que ofrece Retarus, destaca la innovadora soluci\u00f3n de protecci\u00f3n post-entrega <a href=\"https:\/\/www.retarus.com\/es\/services\/email-security\/tech-specs\/#patient-zero-detection\" target=\"_blank\" rel=\"noreferrer noopener\">Patient Zero Detection<\/a>\u00ae, patentada en todos los mercados relevantes. Este servicio detecta el software malicioso y los hiperv\u00ednculos da\u00f1inos, incluso en correos electr\u00f3nicos ya entregados, tan pronto como uno de los cuatro esc\u00e1neres de AntiVirus MultiScan identifica los patrones correspondientes, y permite activar un servicio de alerta que avisar\u00e1 tanto a los destinatarios como a los administradores de manera urgente.<\/p>   <figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a8ffd9e1a3cc&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a8ffd9e1a3cc\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1369\" height=\"906\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.retarus.com\/blog\/wp-content\/uploads\/sites\/41\/2026\/07\/PZD-Real-Time-Response_Rules-5.png\" alt=\"\" class=\"wp-image-13474\" srcset=\"https:\/\/www.retarus.com\/blog\/wp-content\/uploads\/sites\/41\/2026\/07\/PZD-Real-Time-Response_Rules-5.png 1369w, https:\/\/www.retarus.com\/blog\/wp-content\/uploads\/sites\/41\/2026\/07\/PZD-Real-Time-Response_Rules-5-300x199.png 300w, https:\/\/www.retarus.com\/blog\/wp-content\/uploads\/sites\/41\/2026\/07\/PZD-Real-Time-Response_Rules-5-1024x678.png 1024w, https:\/\/www.retarus.com\/blog\/wp-content\/uploads\/sites\/41\/2026\/07\/PZD-Real-Time-Response_Rules-5-768x508.png 768w, https:\/\/www.retarus.com\/blog\/wp-content\/uploads\/sites\/41\/2026\/07\/PZD-Real-Time-Response_Rules-5-360x239.png 360w\" sizes=\"auto, (max-width: 1369px) 100vw, 1369px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>   <p class=\"wp-block-paragraph\">La soluci\u00f3n <a href=\"https:\/\/www.retarus.com\/es\/services\/email-security\/tech-specs\/#pzd-real-time-response\" target=\"_blank\" rel=\"noreferrer noopener\">PZD Real-Time Response<\/a> va a\u00fan m\u00e1s all\u00e1. Este software para entornos de Exchange procesa el virus detectado por Patient Zero Detection\u00ae, conforme a ciertas reglas e identifica aquellos correos electr\u00f3nicos potencialmente peligrosos en la propia bandeja de entrada del usuario, para moverlos o borrarlos autom\u00e1ticamente. Ambas herramientas pueden mitigar enormemente las consecuencias de un ataque del virus Emotet y facilitar un an\u00e1lisis posterior experto..<\/p>   <h2 class=\"wp-block-heading\" id=\"h-los-ordenadores-infectados-deben-desconectarse-inmediatamente-de-la-red\">Los ordenadores infectados deben desconectarse inmediatamente de la red<\/h2>   <p class=\"wp-block-paragraph\">Es esencial que los ordenadores infectados por Emotet se desconecten lo antes posible, tanto de la red corporativa como de Internet, para evitar que los usuarios afectados propaguen el software malicioso dentro de la empresa o que incluso sufran descargas de otros archivos peligrosos de Internet. El malware est\u00e1 programado de manera tan insidiosa que se instala y oculta profundamente en el sistema, por lo que lo m\u00e1s recomendable es resetear por completo los PC afectados y configurarlos de nuevo desde cero.<\/p>   <p class=\"wp-block-paragraph\">Para asegurar que sus usuarios no sufren este ataque de phishing, le recomendamos que lea nuestra <a href=\"https:\/\/www.retarus.com\/es\/services\/email-security\/#anti-phishing-guide\" target=\"_blank\" rel=\"noreferrer noopener\">Gu\u00eda Anti-Phishing gratuita<\/a>, con numerosos consejos para gestionar adecuada y prudentemente los correos electr\u00f3nicos, o que distribuya entre sus empleados la versi\u00f3n en formato PDF que puede <a href=\"https:\/\/www.retarus.com\/wp-content\/uploads\/2022\/04\/retarus_anti-phishing-guide_en-de-fr-it-es_2022.zip\" target=\"_blank\" rel=\"noreferrer noopener\">descargarse en cinco idiomas<\/a>.<\/p>   <figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a8ffd9e1a7b7&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a8ffd9e1a7b7\" class=\"wp-block-image size-large wp-lightbox-container\"><img decoding=\"async\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.retarus.com\/es\/wp-content\/uploads\/sites\/17\/2021\/04\/anti-phishing-guide_blog-es.jpg\" alt=\"APG Blog Visual\" class=\"wp-image-13754\"\/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>   <p class=\"wp-block-paragraph\">Para m\u00e1s informaci\u00f3n sobre <a href=\"https:\/\/www.retarus.com\/es\/services\/email-security\/\" target=\"_blank\" rel=\"noreferrer noopener\">Secure Email Platform de Retarus<\/a> incluidas las soluciones <a href=\"https:\/\/www.retarus.com\/es\/services\/email-security\/tech-specs\/\" target=\"_blank\" rel=\"noreferrer noopener\">Patient Zero Detection\u00ae y PZD Real-Time Response<\/a>, visite nuestro sitio web o consulte directamente con su <a href=\"https:\/\/www.retarus.com\/es\/contact\/\">interlocutor local<\/a>.<\/p> ","protected":false},"excerpt":{"rendered":"<p>Tras una tregua de aproximadamente medio a\u00f1o, el taimado troyano Emotet vuelve a estar muy activo e inunda las bandejas de entrada de las empresas y autoridades con correos electr\u00f3nicos altamente peligrosos de apariencia enga\u00f1osamente genuina.<\/p>\n","protected":false},"author":14,"featured_media":13476,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ret_read_more_text":"","ret_thumb_border":false,"footnotes":""},"categories":[3066],"tags":[2179,2005],"ret_content_type":[3094],"class_list":["post-31516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciberseguridad","tag-emotet","tag-patient-zero-detection","ret_content_type-noticias-del-sector"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - 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Kostenloser Anti Phishing Guide.\" \/>\n<meta name=\"twitter:creator\" content=\"@retarus\" \/>\n<meta name=\"twitter:site\" content=\"@retarus\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Thomas Cloer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/\"},\"author\":{\"name\":\"Thomas Cloer\",\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/#\\\/schema\\\/person\\\/7f8954d8bf84d75cf384942c5f6cf2e5\"},\"headline\":\"Nueva oldeada de taques de phishing, el virus troyano Emotet regresa\",\"datePublished\":\"2020-08-11T11:13:30+00:00\",\"dateModified\":\"2026-08-06T09:56:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/\"},\"wordCount\":685,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/41\\\/2026\\\/07\\\/shutterstock_680078878-7.jpg\",\"keywords\":[\"Emotet\",\"Patient Zero Detection\"],\"articleSection\":[\"Ciberseguridad\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/\",\"url\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/\",\"name\":\"Nueva oldeada de taques de phishing, el virus troyano Emotet regresa\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/41\\\/2026\\\/07\\\/shutterstock_680078878-7.jpg\",\"datePublished\":\"2020-08-11T11:13:30+00:00\",\"dateModified\":\"2026-08-06T09:56:53+00:00\",\"description\":\"Tras una tregua de aproximadamente medio a\u00f1o, el taimado troyano Emotet vuelve a estar muy activo e inunda las bandejas de entrada de las empresas y autoridades con correos electr\u00f3nicos altamente peligrosos de apariencia enga\u00f1osamente genuina.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/41\\\/2026\\\/07\\\/shutterstock_680078878-7.jpg\",\"contentUrl\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/41\\\/2026\\\/07\\\/shutterstock_680078878-7.jpg\",\"width\":1920,\"height\":1080,\"caption\":\"APT Hacker Emotet\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/emotet-returns-to-cause-even-greater-harm\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Nueva oldeada de taques de phishing, el virus troyano Emotet regresa\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/#website\",\"url\":\"https:\\\/\\\/www.retarus.com\\\/blog\\\/es\\\/\",\"name\":\"Retarus Blog\",\"description\":\"Enterprise Communication &amp; 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