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{"id":2535649,"date":"2023-07-11T10:45:31","date_gmt":"2023-07-11T08:45:31","guid":{"rendered":"https:\/\/www.phonandroid.com\/?p=2535649"},"modified":"2023-07-11T10:45:31","modified_gmt":"2023-07-11T08:45:31","slug":"attention-a-cette-fausse-mise-a-jour-de-windows-elle-installe-un-ransomware-sur-votre-pc","status":"publish","type":"post","link":"https:\/\/www.phonandroid.com\/attention-a-cette-fausse-mise-a-jour-de-windows-elle-installe-un-ransomware-sur-votre-pc.html","title":{"rendered":"Attention \u00e0 cette fausse mise \u00e0 jour de Windows, elle installe un ransomware sur votre PC"},"content":{"rendered":"

Les chercheurs en s\u00e9curit\u00e9 de FortiGuard Labs ont d\u00e9couvert un nouveau ransomware nomm\u00e9 Big Head, en activit\u00e9 depuis mai 2023.<\/strong><\/p>\n

\"chaine-clavier-laptop\"
Cr\u00e9dit : 123rf<\/figcaption><\/figure>\n

Big Head est un ransomware<\/a> qui vise les utilisateurs de Windows. Selon les experts, \u00ab il en existe au moins trois variantes. Toutes sont con\u00e7ues pour crypter les fichiers sur les machines des victimes afin de leur extorquer de l\u2019argent \u00bb. FortiGuard Labs a d\u00e9couvert que Big Head se d\u00e9cline en deux variantes. Cela dit, toutes deux se d\u00e9guisent sous les traits d\u2019une fausse mise \u00e0 jour de Windows<\/strong>.<\/p>\n

\u00c0 lire \u2014 <\/strong>Les arnaques au spoofing sont de plus en plus fr\u00e9quentes, cet outil vous aide \u00e0 les d\u00e9jouer<\/strong><\/a><\/p>\n

\u00ab Une fois que la variante A du ransomware Big Head est ex\u00e9cut\u00e9e, elle affiche un faux \u00e9cran Windows Update<\/strong> pour faire croire aux utilisateurs que des actions l\u00e9gitimes se d\u00e9roulent en t\u00e2che de fond \u00bb. En r\u00e9alit\u00e9, l\u2019algorithme de chiffrage des donn\u00e9es est \u00e0 l\u2019\u0153uvre dans les coulisses. L\u2019\u00e9cran dispara\u00eet au bout d\u2019une trentaine de secondes et le malware a accompli sa t\u00e2che<\/strong> : les noms de fichiers ont \u00e9t\u00e9 modifi\u00e9s et sont maintenant incompr\u00e9hensibles et, pire encore, leur contenu est inutilisable.<\/p>\n