Top 5 des meilleurs antivirus gratuits

Rien ne peut remplacer la vigilance et la prudence humaine au cours de l’utilisation des ordinateurs ou des appareils Android. Cependant il existe tout de même des logiciels antivirus qui s’avèrent presque indispensables pour assurer la securité de votre appareil, et minimiser les risques d’infiltration ou d’infection. Quel que soit le système d’exploitation que vous utilisez (Windows, Mac, Linux…etc), votre ordinateur ou votre appareil Android n’est jamais à l’abri d’infections, virus et d’autres programmes malveillants. Le risque est omniprésent, et personne ne peut prétendre avoir la solution miracle et la protection absolue. Les logiciels antivirus doivent être constamment mis à jour pour rester efficaces face aux attaques de plus en plus sophistiquées des virus. La liste suivante comporte 5 des meilleurs antivirus gratuits qu’on peut utiliser pour protéger nos ordinateurs , nos tablettes, ou nos appareils Android avec Windows XP, Windows 7 et Windows 8


Avast est téléchargeable gratuitement sur le web, et il est réputé pour sa grande facilité d’utilisation, et sa fiabilité contre les virus les plus farouches. Ses principales fonctionnalités sont : un moteur d’antivirus et anti-espion, un agent réseau, une protection anti-rootkit en temps réel, etc…


Avira AntiVir

Avira AntiVir est l’un des antivirus les plus fiables et les plus efficaces. C’est un logiciel gratuit qu’on peut télécharger assez rapidement du web, et il est capable de protège notre système contre les trojans, les rootkits, les vers, et les dialers. Comme tout antivirus qui se respecte et qui se veut toujours efficace, Avira AntiVir met à jour quotidiennement et automatiquement sa base de signatures de virus.



AVG est l’un des antivirus gratuits les plus téléchargés par les internautes. Il se met à jour quotidiennement, et offre une surveillance en temps réel. Il détecte toutes les infections ainsi que leurs sources, et il vous laisse le choix : Vous pouvez après les supprimer, les mettre en quarantaine ou les laisser libres. Son scan est plus rapide comparé aux autres logiciels antivirus, et il dispose d’une interface très animée.


Microsoft Security Essentiels

Microsoft Security Essentiels est considéré comme l’un des meilleurs logiciels antivirus du moment. C’est d’ailleurs sans aucun doute un antivirus puissant, efficace et simple à utiliser. Il peut effectivement protéger votre ordinateurs contre les programmes malveillants, les virus, les chevaux de Troie, les Worms, etc. Lorsqu’il identifie la présence d’une menace, Microsoft Security Essentiels  vous avertit par des alertes. Après, vous avez la possibilité de d’ignorer l’élément détecté, de le mettre en quarantaine ou de le supprimer du système.

Microsoft Security Essentiels


Comodo Internet Security rassemble deux outils : le premier est l’Antivirus Comodo, et le deuxième est le Firewall Comodo. Deux logiciels assez efficaces et très fiables pour faire face aux virus répandus dans le Web. On trouve aussi parmi les éléments de Comodo Internet Security, un autre logiciel « Defense+ » une application de sécurité proactive qui se charge de protéger les fichiers et le registre Windows des attaques de, keyloggers, rootkits, spywares et autres chevaux de Troie.






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