Que faire, j’ai téléchargé un fichier contenant un virus.

éliminer un virus sur un ordinateur

Publié le 19/12/2019 par dans Informatique

Vous avez téléchargé un fichier contenu un virus ? Vous pensez qu’il est trop tard ? Rassurez-vous. Premièrement, vous n’êtes pas seul dans cette situation, c’est déjà arrivé et cela va, malheureusement, se reproduire chez d’autres. Voilà pourquoi nous avons décidé de vous aider dans votre quête pour sauver votre ordinateur et vos données !

Premier conseil : Faire un scan

Vous pouvez savoir, ou non, quel fichier malveillant vous avez téléchargé, cette première étape est indispensable pour chercher où est-ce que le virus a pu se propager et identifier le type de virus qui se trouve dans votre ordinateur. L’analyse doit être faite en profondeur, et prendra du temps. En général, le scan complet dure dix minutes ou peut-être plus.

Pour effectuer ce scan, rendez-vous sur votre anti-virus et cliquez sur « faire un scan ». Néanmoins, avant de le lancer, il faut faire quelque chose d’important : mettre à jour votre anti-virus.

Deuxième conseil : Mettre à jour votre anti-virus

Comme son nom l’indique, l’anti-virus est censé protéger votre ordinateur contre les risques d’infections malveillantes (indispensable sur n’importe quel PC ou Mac, retrouvez une sélection des meilleurs sur un site de comparatifs). Mais comme cela peut arriver, le virus est tout de même entré. Alors, mettez à jour votre anti-virus pour le faire passer à l’étape supérieure et détecter le virus sur votre ordinateur. Ainsi, le scan sera plus performant et votre ordinateur augmentera ses chances de survie. De plus, suite à ce scan, le virus pourrait être éliminé.


Non sans rappeler que disposer d’un anti-virus performant réduit les chances de contamination.

Troisième conseil : Supprimer le fichier.

Ce conseil n’est valable uniquement que si vous connaissez le fichier qui vous a infecté. Supprimer ce fichier éliminera la base de l’infection. Cette suppression ne doit pas être faite n’importe comment. Il est nécessaire d’utiliser des « spywares », logiciel dédié à la suppression d’un fichier contaminé. Vous pouvez en retrouver plusieurs gratuitement en ligne.

Quatrième conseil : Restaurer votre ordinateur

C’est très souvent le moment redouté par tout le monde, devoir restaurer son ordinateur et perdre ses fichiers. Hormis si vous avez une sauvegarde externe, vos fichiers vont passer à la trappe. Néanmoins, cette solution reste l’une de vos dernières chances avant l’intervention d’un professionnel. Selon votre degré d’infection, remettre à jour votre PC sera votre seul moyen de supprimer définitivement le virus.

Cinquième conseil : L’intervention d’un professionnel

L’intervention d’un professionnel dans le domaine reste la solution la plus sérieuse. En effet, prenons l’exemple d’un dépanneur informatique dans la ville de Meaux, en faisant appel à ses services il sera capable d’éliminer un virus de votre ordinateur en toute sécurité. Les professionnels de l’informatique disposent d’outils très performants. Ainsi, non seulement ils auront la possibilité d’éliminer le virus et vous conserver tous les fichiers qui se trouvent sur votre ordinateur 😊

Nous vous avons proposé plusieurs options pour supprimer un virus, provenant d’un fichier téléchargé. Ce moment que vous vivez va vous servir à l’avenir faisant plus attention aux fichiers que vous êtes susceptibles de consulter ou télécharger.

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