{"id":1346,"date":"2015-03-22T11:41:20","date_gmt":"2015-03-22T10:41:20","guid":{"rendered":"http:\/\/www.guion78.com\/wordpress\/?p=1346"},"modified":"2015-04-03T17:19:24","modified_gmt":"2015-04-03T16:19:24","slug":"come-proteggersi-da-cryptolocker","status":"publish","type":"post","link":"https:\/\/www.guion78.com\/wordpress\/blog\/2015\/03\/22\/come-proteggersi-da-cryptolocker\/","title":{"rendered":"Come proteggersi da Cryptolocker"},"content":{"rendered":"<p>Una minaccia nata nel 2013 e poi risorta con una nuova variante a fine 2014 che si chiama <a title=\"crypto\" href=\"http:\/\/it.wikipedia.org\/wiki\/CryptoLocker\" target=\"_blank\">Cryptolocker versione 2.0<\/a> sta facendo una strage di DATI, si perch\u00e8 questo trojan non infetta i pc rendendoli inutilizzabili ma semplicemente cifra tutti i dati in esso contenuto senza intaccare il sistema operativo. Il maggiore pericolo viene dal fatto che questo trojan muta continuamente e quindi gli antivirus non riescono a riconoscerlo. Solitamente, e dico solitamente perch\u00e8 nelle sue ultime versioni sfrutta siti web con dei file flash malformati, il virus si trasmette tramite allegati via mail con varie estensioni e forme: cab, exe, dat, ma veniva trasmesso anche con file doc, xls con delle macro nocive.<br \/>\n<a href=\"http:\/\/www.guion78.com\/wordpress\/wp-content\/uploads\/2015\/03\/crypto.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\" size-full wp-image-1347 aligncenter\" src=\"http:\/\/www.guion78.com\/wordpress\/wp-content\/uploads\/2015\/03\/crypto.png\" alt=\"crypto\" width=\"590\" height=\"428\" srcset=\"https:\/\/www.guion78.com\/wordpress\/wp-content\/uploads\/2015\/03\/crypto.png 590w, https:\/\/www.guion78.com\/wordpress\/wp-content\/uploads\/2015\/03\/crypto-300x218.png 300w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/><\/a><br \/>\nCome proteggersi dal virus? Impossibile farlo ma ovviamente un pc con un\u2019utente oon solo permessi users un antivirus sempre aggiornato e un firewall serio (intendo dire fisico con controllo ips) sono un punto di partenza. Quello che invece vi pu\u00f2 salvare dal virus \u00e8 un buon backup che dev\u2019essere fatto quotidianamente e sopratutto non accessibile tramite le risorse di rete dal resto della rete. E quindi come fare il backup? Un masterizzando su DVD\/CD o con un semplice server\/nas con una distro linux installata e un servizio ftp attivo sono pi\u00f9 che sufficienti a risolvere il problema! Perch\u00e8 l\u2019hd esterno e la chiavetta non sono un buon backup? Beh perch\u00e8 se rimangono collegati al pc infetto essi stessi verranno infettati e quindi cifrati.<\/p>\n<p><a href=\"http:\/\/www.guion78.com\/wordpress\/wp-content\/uploads\/2015\/03\/backup.jpg\"><img decoding=\"async\" class=\" size-full wp-image-1348 aligncenter\" src=\"http:\/\/www.guion78.com\/wordpress\/wp-content\/uploads\/2015\/03\/backup.jpg\" alt=\"backup\" width=\"271\" height=\"288\" \/><\/a><\/p>\n<p>Per cui se non volete perdere le vostro foto, mail i vostri documenti procedete a fare dei buoni backup e con molta frequenza.<\/p>\n<p>TOOLS che possono dare una mano nel recupero dati:<\/p>\n<ul>\n<li><a title=\"shadow\" href=\"http:\/\/www.shadowexplorer.com\/\" target=\"_blank\">ShadowExplorer<\/a> per recuperare le copie shadow dal pc;<\/li>\n<li>Software di prevenzione <a title=\"guard\" href=\"http:\/\/www.surfright.nl\/en\/cryptoguard\" target=\"_blank\">Cryptoguard<\/a> (non so se sia valido);<\/li>\n<li><a title=\"recupero\" href=\"https:\/\/www.achab.it\/achab.cfm\/it\/blog\/achablog\/come-recuperare-file-cancellati-o-dati-da-supporti-danneggiati\" target=\"_blank\">Software di recupero<\/a> file cancellati.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Una minaccia nata nel 2013 e poi risorta con una nuova variante a fine 2014 che si chiama Cryptolocker versione 2.0 sta facendo una strage di DATI, si perch\u00e8 questo trojan non infetta i pc rendendoli inutilizzabili ma semplicemente cifra tutti i dati in esso contenuto senza intaccare il sistema operativo. Il maggiore pericolo viene [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"ngg_post_thumbnail":0,"footnotes":""},"categories":[4],"tags":[443,816],"class_list":["post-1346","post","type-post","status-publish","format-standard","hentry","category-informazioni","tag-backup","tag-cryptolocker"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>come proteggersi da cryptolocker<\/title>\n<meta name=\"description\" content=\"come proteggersi da cryptolocker, facendo un buon backup.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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