{"id":38762,"date":"2024-07-17T06:49:18","date_gmt":"2024-07-17T04:49:18","guid":{"rendered":"https:\/\/www.techopedia.com\/es\/?post_type=definition&#038;p=38762"},"modified":"2024-07-17T09:59:15","modified_gmt":"2024-07-17T07:59:15","slug":"antivirus","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/es\/definicion\/antivirus","title":{"rendered":"Software antivirus"},"content":{"rendered":"<div>\n    <section class=\"toc-sticky w-100 bg-white \">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\"\n                 aria-controls=\"multiCollapse1\"\n                 data-bs-target=\"#multiCollapse1\">\n                <button\n                        class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\"\n                        type=\"button\"\n                >\n                    <i class=\"icon-chevron-up\"><\/i>\n                <\/button>\n                <span id=\"toc-current-title\" class=\"d-flex align-items-center\">\n                    Resumen\n                <\/span>\n                <span class=\"toc-main-title-permanent\">Resumen<\/span>\n            <\/div>\n            <div\n                    class=\"collapse my-3\"\n                    id=\"multiCollapse1\"\n            >\n                <ol class=\"StepProgress\">\n                                                                        <li class=\"StepProgress-item current\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"que_es_un_antivirus\"\n                               onclick=handleScrollToTitle(\"que_es_un_antivirus\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">\u00bfQu\u00e9 es un antivirus?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"definicion_de_antivirus\"\n                               onclick=handleScrollToTitle(\"definicion_de_antivirus\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">Definici\u00f3n de antivirus<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"como_funciona_un_antivirus\"\n                               onclick=handleScrollToTitle(\"como_funciona_un_antivirus\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">\u00bfC\u00f3mo funciona un antivirus?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                                                        <li class=\"StepProgress-item\">\n                                                <div class=\"StepProgress-item__group\">\n                            <a data-id=\"en_resumen_como_funciona_el_software_antivirus\"\n                               onclick=handleScrollToTitle(\"en_resumen_como_funciona_el_software_antivirus\")\n                               class=\"StepProgress-item__link\" data-level=\"2\">En resumen: \u00bfc\u00f3mo funciona el software antivirus?<\/a>\n                                                    <\/div>\n                                                <\/li>\n                                    <\/ol>\n                <div class=\"toc-sticky__container__disperse\"><\/div>\n                <div class=\"toc-sticky__btn-top justify-content-center\">\n                    <button class=\"btn btn-link d-flex align-items-center\" onclick={btnTop()}><p>Ver m\u00e1s<\/p><img decoding=\"async\"\n                                src=\"\/wp-content\/plugins\/table-of-contents\/assets\/images\/arrow-up-circle.svg\"\n                                alt=\"arrow-up-circle\">\n                    <\/button>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n    <div class=\"toc-sticky-list\">\n        <div class=\"toc-sticky__container container\">\n            <div class=\"toc-sticky__open d-flex align-items-end\" data-bs-toggle=\"collapse\" aria-controls=\"multiCollapse2\" data-bs-target=\"#multiCollapse2\">\n                <button class=\"btn btn-primary collapse-action-btn p-1 rounded-circle\"\n                        type=\"button\">\n                    <i class=\"icon-chevron-up up\"><\/i>\n                <\/button>\n                <span id=\"toc-current-title\" class=\"d-flex align-items-center\">\n                    Resumen\n                <\/span>\n            <\/div>\n            <div  class=\"collapse my-3\" id=\"multiCollapse2\">\n                <ol class=\"StepProgress\">\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item current \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"que_es_un_antivirus\"\n                                   onclick=handleScrollToTitle(\"que_es_un_antivirus\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">\u00bfQu\u00e9 es un antivirus?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"definicion_de_antivirus\"\n                                   onclick=handleScrollToTitle(\"definicion_de_antivirus\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">Definici\u00f3n de antivirus<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t                                                     <li class=\"StepProgress-item \">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"como_funciona_un_antivirus\"\n                                   onclick=handleScrollToTitle(\"como_funciona_un_antivirus\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">\u00bfC\u00f3mo funciona un antivirus?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                    \t\t\t\t\t \t\t\t\t\t\n\t\t\t\t\t\t <span class=\"show_moretoc\">Ver m\u00e1s<\/span>\n\t\t\t\t\t\t \t\t\t\t\t \t\t\t\t\t\t  \t\t\t\t\t                                                      <li class=\"StepProgress-item ms_hidetoc\">\n                                                    <div class=\"StepProgress-item__group\">\n                                <a data-id=\"en_resumen_como_funciona_el_software_antivirus\"\n                                   onclick=handleScrollToTitle(\"en_resumen_como_funciona_el_software_antivirus\")\n                                   class=\"StepProgress-item__link\"\n                                   data-level=\"2\">En resumen: \u00bfc\u00f3mo funciona el software antivirus?<\/a>\n                                                            <\/div>\n                                                    <\/li>\n                                    <\/ol>\n            <\/div>\n            <div class=\"toc-sticky__container__disperse\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<script id=\"toc-js\">\n    window.addEventListener(\"DOMContentLoaded\", () => {\n        const header = document.querySelector(\".header_wrapper\");\n\n        const pageLegend = document.querySelector('#multiCollapse1');\n        const pageLegendList = document.querySelector('#multiCollapse2');\n        const pageLegendCollapse = new bootstrap.Collapse(pageLegend, {toggle: document.querySelector(\".toc-sticky\").classList.contains('sticky')});\n\n        \/**\n         * Changing current title\n         *\/\n        (function (pageLegend) {\n            const titleNodes = pageLegend.querySelectorAll('.StepProgress-item__link');\n\n            if 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throttle(changeCurrentTitle, 50));\n        })(pageLegend);\n\n\n        \/**\n         *  Collapse\n         *\/\n        (function (pageLegend, header) {\n            const icon = pageLegend.parentNode.querySelector(\".collapse-action-btn i\");\n\n            const collapseToggle = (status) => (e) => {\n                if (!e.target.isEqualNode(pageLegend)) return;\n\n                icon.classList.toggle(\"up\");\n\n                const containerHeight = pageLegend.getBoundingClientRect().height;\n\n                const showSubtitleContent = () => {\n                    const currentId = document.getElementById('toc-current-title').getAttribute('data-current-id');\n                    const currentLevel = document.getElementById('toc-current-title').getAttribute('data-current-level');\n                    const currentSubTitle = currentLevel == 3 ? document.querySelector(`a[data-id=\"${currentId}\"]`).parentNode.parentNode.parentNode : false;\n\n                    if 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(pageLegendList) {\n            const icon = pageLegendList.parentNode.querySelector(\".collapse-action-btn i\");\n\n            const collapseToggle = () => (e) => {\n                if (!e.target.isEqualNode(pageLegendList)) return;\n\n                icon.classList.toggle(\"up\");\n\n            }\n            pageLegendList.addEventListener('shown.bs.collapse', collapseToggle());\n            pageLegendList.addEventListener('hide.bs.collapse', collapseToggle());\n        })(pageLegendList);\n\n        (function (pageLegendList) {\n            const collapseEls = pageLegendList.querySelectorAll('.collapse');\n\n            collapseEls.forEach(function (el) {\n\n                const toggleArrowDirection = function (e) {\n                    if (!e.target.isEqualNode(el)) return;\n\n                    const id = this.getAttribute('id');\n                    document.querySelector(`.toc-sticky-list .collapse-action-btn[data-bs-target=\"#${id}\"] 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target.style.marginTop = \"\";\n                }\n            }\n\n            applySticky();\n\n            window.addEventListener('scroll', applySticky);\n        })(header, pageLegendCollapse);\n\tjQuery('span.show_moretoc').click(function(){\n\t\tjQuery('span.show_moretoc').hide();\n\t   jQuery('.ms_hidetoc').show();\n\t});\n    });\n\n    \/\/ When the user clicks on the button, scroll to the top of the document\n    function btnTop() {\n        const pageLegend = document.querySelector('#multiCollapse1');\n        document.querySelector('html').classList.remove('overflow-hidden');\n        pageLegend.classList.remove('overflow-auto');\n        pageLegend.style.height = 'auto';\n        window.scrollTo({\n            top: 0,\n            behavior: 'smooth'\n        });\n    }\n\n    const handleScrollToTitle = (id) => {\n        const el = document.getElementById(id);\n        const headerHeightDifference = window.innerWidth < 992 ? -30 : -15;\n        window.scrollTo({\n            top: el.offsetTop - 60 - headerHeightDifference - 10,\n        });\n    }\n<\/script>\n\n<h2><span id=\"que_es_un_antivirus\">\u00bfQu\u00e9 es un antivirus?<\/span><\/h2>\n<p>El software antivirus es una<strong><a href=\"https:\/\/www.techopedia.com\/es\/antivirus\/android\"> utilidad de software que detecta, previene y elimina virus<\/a>, <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/wormgpt\">worms<\/a> y otros <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/software-malicioso-malware\">programas maliciosos<\/a><\/strong> de un ordenador. La mayor\u00eda de los programas antivirus incluyen una funci\u00f3n de actualizaci\u00f3n autom\u00e1tica que permite al programa descargar perfiles de virus nuevos, lo que permite al sistema comprobar si existen nuevas <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/ciberataque\">amenazas<\/a>. Los programas antivirus son elementos esenciales para cualquier ordenador, pero la elecci\u00f3n de cu\u00e1l es muy importante. <strong>Un programa antivirus puede encontrar un determinado virus o worms mientras que otro no, o viceversa<\/strong>.<\/p>\n<p>Las herramientas antivirus son utilidades esenciales para cualquier ordenador. Una herramienta antivirus puede encontrar un determinado virus o gusano mientras que otra no puede, o viceversa.<\/p>\n<p>Estas utilidades tambi\u00e9n se conocen como programas antivirus o vacunas.<\/p>\n<h2><span id=\"definicion_de_antivirus\">Definici\u00f3n de antivirus<\/span><\/h2>\n<p>Las herramientas antivirus buscan virus, malware o gusanos en el disco duro y en los medios externos conectados a un ordenador. En t\u00e9rminos generales, los dos enfoques principales para la detecci\u00f3n de virus son:<\/p>\n<ul>\n<li><b><strong>Enfoque de diccionario<\/strong><\/b>: El programa comprueba un archivo y lo consulta autom\u00e1ticamente en un diccionario o base de datos de software de virus conocidos. Si hay una coincidencia, el archivo se elimina, se pone en cuarentena o se repara.<\/li>\n<li><strong>Enfoque de<\/strong> <b><strong>Comportamiento Sospechoso<\/strong><\/b>: El programa supervisa el comportamiento de todos los programas mediante un an\u00e1lisis heur\u00edstico y se\u00f1ala cualquier comportamiento sospechoso. Por ejemplo, un programa puede ser marcado si intenta cambiar la configuraci\u00f3n del sistema operativo o escribir en un directorio determinado.<\/li>\n<li><b><strong>Sandboxing<\/strong><\/b>: Para eludir la detecci\u00f3n, los hackers modernos a veces encriptan las firmas de virus o partes de ellas, haciendo imposible que un antivirus las detecte con los m\u00e9todos tradicionales. El Sandboxing es una forma avanzada de an\u00e1lisis de comportamiento en la que los programas sospechosos se prueban y se les permite ejecutarse en un entorno controlado antes de permitir su entrada en el sistema completo. Si el software no hace nada sospechoso, se le permite funcionar con normalidad.<\/li>\n<\/ul>\n<h2><span id=\"como_funciona_un_antivirus\">\u00bfC\u00f3mo funciona un antivirus?<\/span><\/h2>\n<p>Los productos antivirus<b><strong>escanean tu sistema<\/strong><\/b> para encontrar amenazas potenciales como virus, malware, spyware y ransomware, con el fin de detectarlas y eliminarlas.<\/p>\n<p>Las herramientas antivirus de consumo suelen ser capaces de:<\/p>\n<ul>\n<li><b><strong>Analizar tu <\/strong><\/b>sistema en busca de amenazas<\/li>\n<li><b><strong>Poner en cuarentena o eliminar <\/strong><\/b>archivos sospechosos<\/li>\n<li><b><strong>Analizar las descargas <\/strong><\/b>para evitar que las amenazas accedan a tu sistema<\/li>\n<li><b><strong>Aplicar protecci\u00f3n de navegaci\u00f3n<\/strong><\/b>, comprobando los sitios en busca de signos de comportamiento malicioso<\/li>\n<li><b><strong>Analizar los correos electr\u00f3nicos<\/strong><\/b> en busca de enlaces y archivos adjuntos sospechosos que puedan contener malware o ser indicativos de una actividad de phishing.<\/li>\n<\/ul>\n<p>Los principales proveedores de antivirus han procesado enormes cantidades de datos utilizando modelos de aprendizaje autom\u00e1tico para crear potentes algoritmos capaces de <b><strong>identificar patrones y encontrar virus<\/strong><\/b> analizando su estructura y comportamiento. Despu\u00e9s de que el antivirus haya escaneado tu sistema, tienes dos opciones para hacer frente a las amenazas encontradas:<\/p>\n<ul>\n<li><b><strong>Poner en cuarentena &#8211;<\/strong><\/b> Esto significa mantener los archivos y programas maliciosos en una ubicaci\u00f3n separada. La amenaza permanece en tu dispositivo, pero no puede acceder a otras partes del sistema, propagarse ni causar da\u00f1os.<\/li>\n<li><b><strong>Eliminaci\u00f3n<\/strong><\/b> &#8211; Se trata de un enfoque m\u00e1s completo que elimina los archivos infectados y la amenaza por completo, elimin\u00e1ndola del sistema para que deje de ser un problema.<\/li>\n<\/ul>\n<p>Para proporcionar <b><strong>una cobertura de seguridad completa<\/strong><\/b>, los antivirus actuales suelen incluir <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/cortafuegos\">cortafuegos<\/a>, <a href=\"https:\/\/www.techopedia.com\/es\/definicion\/vpn\">VPN<\/a>, herramientas de supervisi\u00f3n de filtraciones de datos, gestores de contrase\u00f1as, controles parentales y funciones de protecci\u00f3n frente al robo de identidad.<\/p>\n<h2><span id=\"en_resumen_como_funciona_el_software_antivirus\">En resumen: \u00bfc\u00f3mo funciona el software antivirus?<\/span><\/h2>\n<p>El software antivirus utiliza una serie de m\u00e9todos de detecci\u00f3n para <b><strong>encontrar y <a href=\"https:\/\/www.techopedia.com\/es\/como\/eliminar-virus-pc\">eliminar amenazas<\/a><\/strong><\/b> en tu dispositivo. Entre ellos se incluyen la detecci\u00f3n basada en firmas, la comparaci\u00f3n de archivos sospechosos con bases de datos de malware y la supervisi\u00f3n basada en el comportamiento, ya sea en tu dispositivo o en entornos aislados.<\/p>\n<p>Los principales proveedores disponen ahora de <b><strong>amplias bases de<\/strong><\/b> datos de software malicioso. A esto se a\u00f1aden <b><strong>t\u00e9cnicas de aprendizaje autom\u00e1tico<\/strong><\/b> capaces de detectar actividades inusuales en la red e identificar posibles amenazas nuevas.<\/p>\n<p>Hoy en d\u00eda, los proveedores de antivirus B2B y B2C son capaces de proporcionar una <b><strong>amplia gama de herramientas de ciberseguridad<\/strong><\/b> que pueden proporcionar protecci\u00f3n digital multicapa y ofrecer garant\u00edas a sus clientes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 es un antivirus? El software antivirus es una utilidad de software que detecta, previene y elimina virus, worms y otros programas maliciosos de un ordenador. La mayor\u00eda de los programas antivirus incluyen una funci\u00f3n de actualizaci\u00f3n autom\u00e1tica que permite al programa descargar perfiles de virus nuevos, lo que permite al sistema comprobar si existen [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"definitioncat":[30],"class_list":["post-38762","definition","type-definition","status-publish","format-standard","hentry","definitioncat-ciberseguridad"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Antivirus<\/title>\n<meta name=\"description\" content=\"En este articulo encontrar\u00e1s la definici\u00f3n de Software antivirus al completo.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta 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