{"id":1520,"date":"2017-05-15T13:45:36","date_gmt":"2017-05-15T10:45:36","guid":{"rendered":"http:\/\/sscd.dicd.tuiasi.ro\/?p=1520"},"modified":"2021-09-29T13:49:42","modified_gmt":"2021-09-29T11:49:42","slug":"prevenire-atacuri-ransomware","status":"publish","type":"post","link":"https:\/\/dicd.tuiasi.ro\/ro\/2017\/05\/15\/prevenire-atacuri-ransomware\/","title":{"rendered":"M\u0103suri de preven\u021bie a atacurilor de tip ransomware (criptarea fisierelor)"},"content":{"rendered":"<p>Zilele trecute a fost lansat un atac de mare aploare asupra utilizatorilor sistemelor de operare Windows. V\u0103 recomand\u0103m s\u0103 urma\u021bi pa\u0219ii prezenta\u021bi mai jos pentru a evita pierderea definitiv\u0103 a fi\u0219ierelor de pe sta\u021biile de lucru.<\/p>\n<p>Atacul se manifesta prin infestarea cu un virus ( \u00een acest caz <strong>Ransom:Win32\/WannaCryp<\/strong>) care atunci c\u00e2nd este preluat ini\u021biaz\u0103 o procedur\u0103 de <strong>criptare a tuturor fi\u0219ierelor din calculator. <\/strong>Dup\u0103 criptare, fi\u0219ierele existente pe calculatorul infestat nu mai pot fi accesate. De obicei, \u00een fiecare folder, va fi disponibil un fi\u0219ier text \u00een care este explicat modul prin care pute\u021bi recupera fi\u0219ierele. Modul de recuperare prezentat \u00een acest fi\u0219ier presupune plata unei anumite sume de bani \u00een schimbul cheii care permite decriptarea fi\u0219ierelor. (Obs: E posibil ca mesajul s\u0103 apar\u0103 \u0219i ca imagine de fundal sau atunci c\u0103nd \u00eencerca\u021bi s\u0103 deschide\u021bi unul dintre fi\u0219ierele afectate)<\/p>\n<p>Dac\u0103 nu au fost actualizate, urmatoarele sistemele de operare sunt afectate de actualul virus sau de oricare altul cu un comportament asemanator (<a href=\"https:\/\/heimdalsecurity.com\/blog\/security-alert-wannacry-computers-vulnerable\/\">https:\/\/heimdalsecurity.com\/blog\/security-alert-wannacry-computers-vulnerable\/<\/a>)<\/p>\n<ul>\n<li>Microsoft Windows Vista SP2<\/li>\n<li>Microsoft Windows Server 2008 SP2 \u0219i R2 SP1<\/li>\n<li>Microsoft Windows 7<\/li>\n<li>Microsoft Windows 8.1<\/li>\n<li>Microsoft Windows RT 8.1<\/li>\n<li>Microsoft Windows Server 2012 \u0219i R2<\/li>\n<li>Microsoft Windows 10<\/li>\n<li>Microsoft Windows Server 2016<\/li>\n<li>Microsoft Windows XP<\/li>\n<li>Microsoft Windows Server 2003<\/li>\n<\/ul>\n<p>Prezent\u0103m mai jos recomand\u0103rile oferite de c\u0103tre Microsoft care pot fi citite pe <a href=\"https:\/\/blogs.technet.microsoft.com\/msrc\/2017\/05\/12\/customer-guidance-for-wannacrypt-attacks\/\">pagina Microsoft<\/a>. (https:\/\/blogs.technet.microsoft.com\/msrc\/2017\/05\/12\/customer-guidance-for-wannacrypt-attacks\/)<\/p>\n<p><strong>Pasul 1. <\/strong>Pentru a afla versiune de Windows instalat\u0103 pe calculator se d\u0103 <strong>click dreapta pe My Computer<\/strong>, se selcteaz\u0103 op\u021biunea numit\u0103 <strong>Properties<\/strong> iar in fereastra deschis\u0103 putem vedea versiunea sistemului de operare:<\/p>\n<p><a href=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows-7-system-control-panel.png\"><img loading=\"lazy\" class=\"alignnone wp-image-1524 size-medium\" src=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows-7-system-control-panel-274x300.png\" alt=\"windows-7-system-control-panel\" width=\"274\" height=\"300\" srcset=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows-7-system-control-panel-274x300.png 274w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows-7-system-control-panel.png 693w\" sizes=\"(max-width: 274px) 100vw, 274px\" \/><\/a> <a href=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/system_properties.jpg\"><img loading=\"lazy\" class=\"alignnone wp-image-1532 size-medium\" src=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/system_properties-259x300.jpg\" alt=\"system_properties\" width=\"259\" height=\"300\" srcset=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/system_properties-259x300.jpg 259w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/system_properties.jpg 419w\" sizes=\"(max-width: 259px) 100vw, 259px\" \/><\/a> <a href=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/Vista.jpg\"><img loading=\"lazy\" class=\"alignnone wp-image-1530 size-medium\" src=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/Vista-300x225.jpg\" alt=\"vista\" width=\"300\" height=\"225\" srcset=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/Vista-300x225.jpg 300w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/Vista-768x576.jpg 768w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/Vista.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows8.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1528\" src=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows8-300x224.png\" alt=\"windows8\" width=\"300\" height=\"224\" srcset=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows8-300x224.png 300w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/windows8.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Pasul 2. <\/strong>De la pagina <a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=MS17-010\">http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=MS17-010<\/a> desc\u0103rca\u021bi \u0219i instala\u021bi update-ul corespunz\u0103tor cu versiunea sistemului de operare instalat pe calculator:<\/p>\n<p><a href=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri.png\"><img loading=\"lazy\" class=\"alignnone wp-image-1542 size-large\" src=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1-1024x277.png\" width=\"734\" height=\"199\" srcset=\"https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1-1024x277.png 1024w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1-300x81.png 300w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1-768x208.png 768w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1-1536x415.png 1536w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1-1568x424.png 1568w, https:\/\/dicd.tuiasi.ro\/wp-content\/uploads\/2017\/05\/update-uri-1.png 1879w\" sizes=\"(max-width: 734px) 100vw, 734px\" \/><\/a><\/p>\n<p><strong>Pasul 3. <\/strong>Daca sistemul de operare se numera printre cele din lista de mai jos desc\u0103rca\u021bi \u0219i instala\u021bi update-urile corespunz\u0103toare din cele 2 categorii:<\/p>\n<ol>\n<li>Dac\u0103 ave\u021bi sistemul de operare instalat in limba Englez\u0103 naviga\u021bi pe link-ul corespunz\u0103tor sistemului de operare desc\u0103rcati \u0219i instala\u021bi update-ul.<\/li>\n<\/ol>\n<ul>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/d\/csa\/csa\/secu\/2017\/02\/windowsserver2003-kb4012598-x64-custom-enu_f24d8723f246145524b9030e4752c96430981211.exe\">Windows Server 2003 SP2 x64<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/c\/csa\/csa\/secu\/2017\/02\/windowsserver2003-kb4012598-x86-custom-enu_f617caf6e7ee6f43abe4b386cb1d26b3318693cf.exe\">Windows Server 2003 SP2 x86,<\/a><\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/d\/csa\/csa\/secu\/2017\/02\/windowsserver2003-kb4012598-x64-custom-enu_f24d8723f246145524b9030e4752c96430981211.exe\">Windows XP SP2 x64<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/d\/csa\/csa\/secu\/2017\/02\/windowsxp-kb4012598-x86-custom-enu_eceb7d5023bbb23c0dc633e46b9c2f14fa6ee9dd.exe\">Windows XP SP3 x86<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/c\/csa\/csa\/secu\/2017\/02\/windowsxp-kb4012598-x86-embedded-custom-enu_8f2c266f83a7e1b100ddb9acd4a6a3ab5ecd4059.exe\">Windows XP Embedded SP3 x86<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/c\/msdownload\/update\/software\/secu\/2017\/05\/windows8-rt-kb4012598-x86_a0f1c953a24dd042acc540c59b339f55fb18f594.msu\">Windows 8 x86,<\/a><\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/download.windowsupdate.com\/c\/msdownload\/update\/software\/secu\/2017\/05\/windows8-rt-kb4012598-x64_f05841d2e94197c2dca4457f1b895e8f632b7f8e.msu\">Windows 8 x64<\/a><\/li>\n<\/ul>\n<p>2. Dac\u0103 aveti sistemul de operare instalat \u00een alt\u0103 limb\u0103 (nu englez\u0103) naviga\u021bi pe link-ul corespunz\u0103tor sistemului de operare, selecta\u021bi limba \u00een care este instalat \u0219i desc\u0103rcati + instala\u021bi update-ul.<\/p>\n<ul>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=d3cb7407-3339-452e-8371-79b9c301132e\">Windows Server 2003 SP2 x64<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=350ec04d-a0ba-4a50-9be3-f900dafeddf9\">Windows Server 2003 SP2 x86<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=5fbaa61b-15ce-49c7-9361-cb5494f9d6aa\">Windows XP SP2 x64<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=7388c05d-9de6-4c6a-8b21-219df407754f\">Windows XP SP3 x86<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=a1db143d-6ad2-4e7e-9e90-2a73316e1add\">Windows XP Embedded SP3 x86<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=6e2de6b7-9e43-4b42-aca2-267f24210340\">Windows 8 x86<\/a>,<\/li>\n<li style=\"padding-left: 60px;\"><a href=\"http:\/\/www.microsoft.com\/downloads\/details.aspx?FamilyId=b08bb3f1-f156-4e61-8a68-077963bae8c0\">Windows 8 x64<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Pentru a evita nepl\u0103cerile de acest fel v\u0103 reamintim c\u0103 este recomandat s\u0103 l\u0103sa\u021bi sistemul de operare s\u0103 \u00ee\u0219i faca <strong>update-uri automate<\/strong> \u0219i c\u0103 <strong>nu este recomandat s\u0103 deschide\u021bi email-urile care vin din surse necunoscute sau s\u0103 deschide\u021bi \/ desc\u0103rca\u021bi ata\u0219amentele necunoscute<\/strong>.<\/p>\n<p>Recomand\u0103m deasemenea <strong>instalarea unui antivirus <\/strong>\u0219i efectuare periodic\u0103 de backup-uri (<strong>copii de siguran\u021b\u0103<\/strong>) .<\/p>\n<p>Unul dintre antiviru\u0219ii pe care noi \u00eel recomand\u0103m este <strong><a href=\"https:\/\/www.avast.com\/en-eu\/download-thank-you.php?product=FAV-ONLINE&amp;locale=en-eu\">AVAST Free Antivirus<\/a><\/strong> (https:\/\/www.avast.com\/en-eu\/download-thank-you.php?product=FAV-ONLINE&amp;locale=en-eu)<\/p>\n<p>Referin\u021be:<\/p>\n<p>https:\/\/blogs.technet.microsoft.com\/mmpc\/2017\/05\/12\/wannacrypt-ransomware-worm-targets-out-of-date-systems\/<\/p>\n<p>https:\/\/blogs.technet.microsoft.com\/msrc\/2017\/05\/12\/customer-guidance-for-wannacrypt-attacks\/<\/p>\n<p>&nbsp;<\/p>\n<p>https:\/\/heimdalsecurity.com\/blog\/security-alert-wannacry-computers-vulnerable\/<\/p>\n<blockquote><p><a href=\"https:\/\/technet.microsoft.com\/en-us\/library\/security\/ms17-010.aspx\">https:\/\/technet.microsoft.com\/en-us\/library\/security\/ms17-010.aspx<\/a><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Zilele trecute a fost lansat un atac de mare aploare asupra utilizatorilor sistemelor de operare Windows. V\u0103 recomand\u0103m s\u0103 urma\u021bi pa\u0219ii prezenta\u021bi mai jos pentru a evita pierderea definitiv\u0103 a fi\u0219ierelor de pe sta\u021biile de lucru. Atacul se manifesta prin infestarea cu un virus ( \u00een acest caz Ransom:Win32\/WannaCryp) care atunci c\u00e2nd este preluat ini\u021biaz\u0103 [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","ub_ctt_via":""},"categories":[1,65],"tags":[],"author_meta":{"display_name":"sscd","author_link":"https:\/\/dicd.tuiasi.ro\/ro\/author\/sscd\/"},"featured_img":null,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","trp-custom-language-flag":"","post-thumbnail":""},"post_excerpt_stackable":"<p>Zilele trecute a fost lansat un atac de mare aploare asupra utilizatorilor sistemelor de operare Windows. V\u0103 recomand\u0103m s\u0103 urma\u021bi pa\u0219ii prezenta\u021bi mai jos pentru a evita pierderea definitiv\u0103 a fi\u0219ierelor de pe sta\u021biile de lucru. Atacul se manifesta prin infestarea cu un virus ( \u00een acest caz Ransom:Win32\/WannaCryp) care atunci c\u00e2nd este preluat ini\u021biaz\u0103 o procedur\u0103 de criptare a tuturor fi\u0219ierelor din calculator. Dup\u0103 criptare, fi\u0219ierele existente pe calculatorul infestat nu mai pot fi accesate. De obicei, \u00een fiecare folder, va fi disponibil un fi\u0219ier text \u00een care este explicat modul prin care pute\u021bi recupera fi\u0219ierele. Modul de recuperare&hellip;<\/p>\n","category_list":"<a href=\"https:\/\/dicd.tuiasi.ro\/ro\/category\/noutati\/\" rel=\"category tag\">Nout\u0103\u021bi<\/a>, <a href=\"https:\/\/dicd.tuiasi.ro\/ro\/category\/uncategorized\/\" rel=\"category tag\">Uncategorized<\/a>","author_info":{"display_name":"sscd","author_link":"https:\/\/dicd.tuiasi.ro\/ro\/author\/sscd\/"},"comments_num":"0 comments","featured_image_src":null,"coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"https:\/\/dicd.tuiasi.ro\/ro\/category\/noutati\/\" class=\"advgb-post-tax-term\">Nout\u0103\u021bi<\/a>","<a href=\"https:\/\/dicd.tuiasi.ro\/ro\/category\/uncategorized\/\" class=\"advgb-post-tax-term\">Uncategorized<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Nout\u0103\u021bi<\/span>","<span class=\"advgb-post-tax-term\">Uncategorized<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 9 ani ago","modified":"Updated 5 ani ago"},"absolute_dates":{"created":"Posted on 15 mai 2017","modified":"Updated on 29 septembrie 2021"},"absolute_dates_time":{"created":"Posted on 15 mai 2017 13:45","modified":"Updated on 29 septembrie 2021 13:49"},"featured_img_caption":"","_links":{"self":[{"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/posts\/1520"}],"collection":[{"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/comments?post=1520"}],"version-history":[{"count":1,"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/posts\/1520\/revisions"}],"predecessor-version":[{"id":9874,"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/posts\/1520\/revisions\/9874"}],"wp:attachment":[{"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/media?parent=1520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/categories?post=1520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dicd.tuiasi.ro\/ro\/wp-json\/wp\/v2\/tags?post=1520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}