{"id":98,"date":"2019-01-07T10:15:53","date_gmt":"2019-01-07T09:15:53","guid":{"rendered":"https:\/\/www.antivirusedition.com\/blog\/?p=98"},"modified":"2021-10-19T16:02:11","modified_gmt":"2021-10-19T14:02:11","slug":"comment-se-proteger-contre-les-ransomwares%e2%80%89","status":"publish","type":"post","link":"https:\/\/preprod.antivirusedition.com\/blog\/comment-se-proteger-contre-les-ransomwares%e2%80%89-98.html","title":{"rendered":"Comment se prot\u00e9ger contre les ransomwares\u2009?"},"content":{"rendered":"<p>Internet regorge de nombreuses menaces pour les internautes au rang desquelles les malwares. <strong>Les ransomwares sont des malwares<\/strong> de plus en plus r\u00e9pandus et dont les actions sont nocives non seulement pour les entreprises, mais aussi pour les particuliers. Largement utilis\u00e9s par les cybercriminels pour perp\u00e9trer des attaques, les ransomwares ont envahi la toile avec <strong>leurs \u00e9normes d\u00e9g\u00e2ts<\/strong> et font d\u00e9sormais partie de notre quotidien. En plus d\u2019une sensibilisation efficace des internautes face \u00e0 ces malwares, il est primordial de savoir comment se prot\u00e9ger contre les ransomwares. \u00c0 travers cet article, vous en saurez plus sur les ransomwares et sur <strong>des mesures de protection efficaces<\/strong>.<\/p>\n<p><!--more--><\/p>\n<h2><strong>Le ransomware, un malware sophistiqu\u00e9 et dangereux<\/strong><\/h2>\n<p>Le ransomware ou ran\u00e7ongiciel est un logiciel malveillant (malware) qualifi\u00e9 de virus <strong>cr\u00e9\u00e9 dans le but d\u2019extorquer de l\u2019argent \u00e0 une personne<\/strong>. Habituellement, le pirate dissimule le ransomware dans une pi\u00e8ce jointe d\u2019un mail, un lien, un fichier \u00e0 t\u00e9l\u00e9charger ou encore une page web pirat\u00e9e. Une fois dans votre ordinateur, smartphone ou tablette, il le bloque ainsi que les fichiers qu\u2019il contient et exige un paiement pour que les fichiers soient d\u00e9bloqu\u00e9s.<\/p>\n<p>S\u2019il vous arrive d\u2019\u00eatre infest\u00e9 par un ransomware, il est conseill\u00e9 dans un premier temps de <strong>ne pas payer la ran\u00e7on exig\u00e9e par le pirate<\/strong>. Le paiement de la ran\u00e7on ne garantit pas le d\u00e9blocage de vos fichiers ou de votre ordinateur et cela peut encourager le pirate \u00e0 r\u00e9it\u00e9rer son attaque. De plus, vous pouvez limiter la propagation de l\u2019infection en d\u00e9branchant les disques externes non infect\u00e9s.<\/p>\n<p>Pour arr\u00eater la propagation, vous pouvez aussi \u00e9teindre et d\u00e9brancher l\u2019ordinateur atteint et l\u2019isoler de votre r\u00e9seau. De m\u00eame, un moyen pour savoir comment attraper un ransomware est de d\u00e9sinfecter l\u2019ordinateur en utilisant un CD bootable comme Avast Rescue Disk fournit dans <a href=\"https:\/\/www.antivirusedition.com\/avast_pro_antivirus.php\">Avast Pro<\/a>, <a href=\"https:\/\/www.antivirusedition.com\/avast_internet_security_antivirus.php\">Avast Internet Security<\/a> et <a href=\"https:\/\/www.antivirusedition.com\/avast_premium.php\">Avast Premium<\/a>. Il est aussi recommand\u00e9 de signaler l\u2019attaque aux autorit\u00e9s pour tenter de mettre les auteurs de l\u2019attaque aux arr\u00eats.<\/p>\n<h2><strong>De nombreuses mesures de protection disponibles<\/strong><\/h2>\n<p>Pour se prot\u00e9ger des ransomwares, il existe de nombreuses solutions au rang desquels, <strong>des anti ransomwares<\/strong> comme l&rsquo;agent anti-ransomware inclut dans <a href=\"https:\/\/www.antivirusedition.com\/avast_internet_security_antivirus.php\">Avast Internet Security<\/a>, <a href=\"https:\/\/www.antivirusedition.com\/avast_premium.php\">Avast Premium<\/a> et <a href=\"https:\/\/www.antivirusedition.com\/avast_business_antivirus.php\">Avast Business Antivirus<\/a>. La premi\u00e8re action conseill\u00e9e pour se prot\u00e9ger des ransomware est de <strong>sauvegarder ses fichiers sur des disques durs externes<\/strong>. Ainsi, tous vos documents importants doivent \u00eatre r\u00e9guli\u00e8rement dupliqu\u00e9s et sauvegard\u00e9s \u00e0 plusieurs endroits diff\u00e9rents.<\/p>\n<p>Il est aussi recommand\u00e9 de <strong>mettre r\u00e9guli\u00e8rement \u00e0 jour son syst\u00e8me d&rsquo;exploitation et ses logiciels<\/strong>. Cela permet de colmater les possibles failles de s\u00e9curit\u00e9. En g\u00e9n\u00e9ral, le ransomware entre \u00e0 travers des logiciels ou syst\u00e8mes d\u00e9faillants. De ce fait, votre syst\u00e8me Windows, Mac, Linus, iOS, Android doit \u00eatre \u00e0 jour tout comme vos logiciels surtout les navigateurs web.<\/p>\n<p>Lors de l\u2019ouverture de vos mails, sp\u00e9cialement ceux contenant des pi\u00e8ces jointes, il est conseill\u00e9 d\u2019\u00eatre tr\u00e8s prudent. Les pirates utilisent les emails comme porte d\u2019entr\u00e9e pour installer les ransomwares dans votre ordinateur.<\/p>\n<p>Une autre mesure de protection efficace contre les ransomwares est de <strong>s\u2019\u00e9quiper d\u2019un antivirus \u00e0 jour<\/strong>. Un antivirus \u00e0 jour permet de prot\u00e9ger votre ordinateur, smartphone ou tablette. C\u2019est le cas de l\u2019agent anti-ransomware d\u2019Avast disponible dans\u00a0<a href=\"https:\/\/www.antivirusedition.com\/avast_internet_security_antivirus.php\">Avast Internet Security<\/a>, <a href=\"https:\/\/www.antivirusedition.com\/avast_premium.php\">Avast Premium<\/a> et <a href=\"https:\/\/www.antivirusedition.com\/avast_business_antivirus.php\">Avast Business Antivirus<\/a>.. Cet agent anti-ransomware d\u2019Avast <strong>d\u00e9tecte et bloque automatiquement les ransomwares et autres malwares<\/strong> gr\u00e2ce \u00e0 l\u2019intelligence artificielle et au Machine Learning.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"qua-blog-post-description\">Internet regorge de nombreuses menaces pour les internautes au rang desquelles les malwares. Les ransomwares sont des malwares de plus en plus r\u00e9pandus et dont les actions sont nocives non seulement pour les entreprises, mais aussi pour les particuliers. Largement utilis\u00e9s par les cybercriminels pour perp\u00e9trer des attaques, les ransomwares ont envahi la toile avec [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[3,4,6],"tags":[],"class_list":["post-98","post","type-post","status-publish","format-standard","hentry","category-avast","category-avast-business","category-infos-malware"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment se prot\u00e9ger contre les ransomwares\u2009? - Blog Avast Antivirus<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/preprod.antivirusedition.com\/blog\/comment-se-proteger-contre-les-ransomwares\u2009-98.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment se prot\u00e9ger contre les ransomwares\u2009? - Blog Avast Antivirus\" \/>\n<meta property=\"og:description\" content=\"Internet regorge de nombreuses menaces pour les internautes au rang desquelles les malwares. 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