{"id":88,"date":"2014-01-09T17:51:00","date_gmt":"2014-01-09T20:51:00","guid":{"rendered":"https:\/\/www.psafe.com\/blog\/virus-engana-usuarios-atualizacao-falsa-office-photoshop"},"modified":"2022-05-18T10:42:31","modified_gmt":"2022-05-18T13:42:31","slug":"virus-engana-usuarios-atualizacao-falsa-office-photoshop","status":"publish","type":"post","link":"https:\/\/www.psafe.com\/blog\/virus-engana-usuarios-atualizacao-falsa-office-photoshop\/","title":{"rendered":"V\u00edrus engana usu\u00e1rios com atualiza\u00e7\u00e3o falsa do Office e do Photoshop"},"content":{"rendered":"\n

Um novo v\u00edrus est\u00e1 fazendo v\u00edtimas em todo o mundo. E desta vez, o ataque acontece atrav\u00e9s de uma falsa atualiza\u00e7\u00e3o de programas originais. Os softwares alvos do golpe s\u00e3o o Microsoft Office e o Photoshop. Assim, quem utiliza estes programas originais deve tomar cuidado.<\/p>\n\n\n\n

Como a amea\u00e7a age<\/h2>\n\n\n\n

A nova amea\u00e7a foi recentemente descoberta e, por enquanto, os especialistas acreditam que seja uma varia\u00e7\u00e3o do CryptoLocker, um ransomware<\/a> j\u00e1 retratado pelo PSafe Blog aqui<\/a>. Nesta nova vers\u00e3o, o v\u00edrus propaga-se atrav\u00e9s de drives USB e \u00e9 chamada de Crilock.A.<\/p>\n\n\n\n

A infec\u00e7\u00e3o acontece porque \u00e9 requisitada uma falsa atualiza\u00e7\u00e3o para os softwares do pacote Microsoft Office<\/strong> e Adobe Photoshop<\/strong>. O atualizador aparece em sites que os usu\u00e1rios acessam quando compartilham arquivo atrav\u00e9s da chamada conex\u00e3o P2P. <\/p>\n\n\n\n

Este tipo de conex\u00e3o \u00e9 uma arquitetura de rede de PCs em que cada computador serve tanto como servidor, quanto como cliente. Assim, o servidor central \u00e9 desnecess\u00e1rio.<\/p>\n\n\n\n

Outra diferen\u00e7a do Crilock.A para o CryptLocker \u00e9 o fato de ele usar uma nova arquitetura de comando e controle, utilizando URLs mais simples. Devido a este detalhe, especialistas em seguran\u00e7a acreditam que a nova amea\u00e7a foi criada por um grupo diferente daquele que montou o CryptoLocker.<\/p>\n\n\n\n

Outra observa\u00e7\u00e3o \u00e9 a de que, apesar de as chances de o Crilock.A ser baixado serem muito grandes, a necessidade da conex\u00e3o P2P faz com que haja menos v\u00edtimas em potencial, j\u00e1 que este tipo de conex\u00e3o n\u00e3o \u00e9 largamente utilizada. Por ouro lado, a infec\u00e7\u00e3o de unidades USB garante que a amea\u00e7a tenha uma vida mais longa.<\/p>\n\n\n\n

Para se proteger<\/h2>\n\n\n\n

A prote\u00e7\u00e3o mais eficaz sempre \u00e9 ter o PSafe Antivirus<\/strong> instalado e funcionando normalmente. Em seguida, \u00e9 necess\u00e1rio ter uma postura de seguran\u00e7a digital. Se for requisitada a atualiza\u00e7\u00e3o de qualquer programa, v\u00e1 at\u00e9 ao site original e confira se realmente existe alguma atualiza\u00e7\u00e3o dispon\u00edvel. <\/p>\n\n\n\n

Isso evita clicar em algum link falso, que possa infectar o seu PC.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

Um novo v\u00edrus est\u00e1 fazendo v\u00edtimas em todo o mundo. E desta vez, o ataque acontece atrav\u00e9s de uma falsa atualiza\u00e7\u00e3o de programas originais. Os softwares alvos do […]<\/p>\n","protected":false},"author":114,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[555],"tags":[81,144,182,12240,6659,12067,12116,1124],"class_list":["post-88","post","type-post","status-publish","format-standard","hentry","category-ciberataques","tag-adobe","tag-computador","tag-malware","tag-microsoft-office","tag-noticia","tag-pendrive","tag-psafe-antivirus","tag-usb"],"yoast_head":"\nV\u00edrus engana usu\u00e1rios com atualiza\u00e7\u00e3o falsa do Office e do Photoshop<\/title>\n<meta name=\"description\" content=\"Um novo v\u00edrus est\u00e1 fazendo v\u00edtimas em todo o mundo. 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