Protégez vous des menaces informatiques présentes partout dans le monde !
Restez à l’écart des sites / programmes malveillantes
Qu’est ce qu’un virus informatique ?
C’est un programme (ou autres) malveillant dont l’objectif principal est de perturber le bon fonctionnement d’un appareil ( souvent un ordinateur) . il se transmet et se propage d’appareil en appareil tel une maladie informatique.
Attention : Dans la mesure où le virus peut accéder à des données personnelles sensible, il peut poser un vrai problème de cybersécurité à prendre au sérieux, dans la sphère privée et professionnelle.
Comment se transmet un virus informatique ?
Pour se répandre, le virus informatique (ou malware) s’immisce au sein de programmes et de logiciels légitimes ou apparemment bénins. Cela lui permet de s’installer à l’insu de l’utilisateur. Il peut aussi se propager suite à : • une pièce jointe dans un e-mail • un téléchargement de logiciels ou de fichiers • depuis un support physique externe (clé usb, disque dur externe,…) • via un site web infecté • grâce à un clique effectué sur un lien malveillant • et bien plus encore … !
Quels sont les différents types de virus ?
• Virus du secteur d’amorçage
Il s’agit d’un virus qui peut prendre le contrôle de votre ordinateur lors de son démarrage, et endommager le système. Heureusement, c’est un virus relativement simple à éviter, puisqu’il se propage la plupart du temps par une clé USB infectée ou par la pièce jointe d’un e-mail.
Virus de script Web
Ce virus utilise le code de certains navigateurs et pages Web. Il peut infecter votre système si vous vous rendez sur la page d’un site Web malveillant, ou suite à l’ouverture de liens, d’images, de vidéos ou de publicités sur votre navigateur.
Browser hijacker
Pouvant être traduit par “pirate de navigateur”, ce virus détourne votre navigation en vous redirigeant vers des sites Web malveillants.
Virus résident
Ce type de virus s’installe dans votre RAM, la mémoire de votre système informatique, et entre en action à tout moment. Particulièrement sournois, il peut se cacher dans de nombreux endroits, et même dans les fichiers d’un antivirus.
Virus à action directe
Ce virus n’entre en action que lors de l’utilisation d’un fichier infecté. Du fait de sa présence ciblée sur un type de fichier, il est facile à éliminer.
Virus polymorphe
Le virus polymorphe est difficile à intercepter, du fait qu’il change de code à chaque exécution du fichier infecté. Il peut donc facilement passer dans les mailles de l’antivirus utilisé.
Virus infectant les fichiers
Ce type de virus infecte certains fichiers exécutables du système. Ils endommagent les fichiers systèmes et ralentissent les programmes.
Virus multipartite
Ce virus peut infecter votre système en différents points, se propageant dans l’intégralité du système suite à l’exécution d’actions non-autorisées sur le système d’exploitation.
Virus de macro
On retrouve principalement ces virus lors de l’ouverture de documents infectés, s’agissant la plupart du temps de pièces jointes d’e-mails malveillants.
Virus de réseaux
Ces virus se déplacent sur les connexions réseau et peuvent se répliquer grâce à des ressources partagées.
• Votre page d’accueil est différente (sans changements de votre part) • Il y’a beaucoup de pop-up (fenêtre contextuelle) qui apparaissent et vous dérangent • Envoie d’e-mail ou de commande non exécutée • Ralentissement conséquent sur la rapidité ou la performance de votre ordinateur • Activités inhabituelles • Présence de programmes inconnus • Et bien d’autres encore …
Quelles sont les manières de se protéger ?
Il est le plus souvent possible de supprimer un virus avant qu’il ne fasse des ravages sur un ordinateur, à condition de rester attentif aux symptômes et de choisir la méthode la plus appropriée :
Si possible, restaurer complètement l’ordinateur en le réinitialisant. (Attention à bien sauvegarder vos données avant)
Un scan de l’ordinateur, si vous avez le moindre doute, un scan fait par un anti-virus permet d’en avoir le cœur net, à condition que l’antivirus soit à jour. Un fois le scan terminé, l’antivirus envoie un rapport sur les menaces détectées. La plupart des antivirus propose dans la foulée de bloquer les éléments les plus problématique. Pour certains, il faut avoir souscrit à la version premium. Le processus s’arrête là dans la plupart des cas.
Utiliser une clé USB ou un disque dur de secours en cas d’infection grave, empêchant l’ordinateur de s’allumer, ou au contraire, pour éviter que le virus ne se déploie complètement dans un ordinateur infecté. Dans ce cas, il faut recourir à ce type de support pour scanner le contenu de l’ordinateur via un autre ordinateur sans avoir besoin d’allumer le premier. Le plus souvent, cette méthode permet de supprimer le virus sans avoir besoin d’allumer l’ordinateur. La clé USB ou le disque dur de secours peut généralement être fourni par les éditeurs d’antivirus.
Méthode manuelle : pour certains virus particulièrement sournois, c’est la seule façon de nettoyer l’ordinateur. Elle est réservée aux utilisateurs ayant de l’expérience et de solides connaissances en informatique.
L’utilisation d’un anti-virus et ou d’un VPN peut-être nécessaire.
N’hésitez pas à lire notre article sur les VPN (Cliquez-ici) ou bien sur l’anti-virus Nod32 dont nous sommes partenaires officiels avec ESET ! (Cliquez-ici)
En cas de virus, n’hésitez pas à nous demander conseils et aides ! Nous pouvons même faire le maximum pour récupérer vos données en cas de perte ! (et non de vol)
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With a flash of his figure, he not only avoided the storm.In addition, Zhao Keming also made a move at the same time.
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A younger brother is a master. However, Chu Chuyan seemed to have told him back then that Chu Zhongtian was seriously injured and his realm had fallen, otherwise he would not have been bullied by the court like that before.But why does the other party know her so well Obviously, everyone has not been in contact with her a few times on weekdays.
Yu Yanluo wanted to include this ferocious beast in A Thousand Miles of Mountains and Seas , but unfortunately, a few pieces of paper cut flowers danced to protect the figure of the Canglang King and was included in the painting instead.Pei Mianman snorted. You don t understand this. She has a good relationship with you, but she didn t know me before.
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With this little episode, the atmosphere of the banquet became warmer.
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In the era of warlords, there was basically no need to consider people s hearts, because everyone was the same, using money and military pay to recruit soldiers and horses.At this time, he already knew that the tank units of the Eighth Route Army were divided into three directions to attack
The devils who were attacked reported to the headquarters by telephone and radio, and the staff marked the enemy s position on the map in due course.
Too much comes in. Li Yunlong couldn t even hold the meeting because of the commotion.In fact, the army where the sun never sets in the colonies is just a group of mobs, and the real elite is actually the Chinese Expeditionary Army.
If you do not regard yourself as a businessman when doing business, then it is no different from going to the battlefield with your hands tied.Artillery of the Jinsui Army. End of this chapter The deterrence of the artillery of the Jinsui Army allowed Wang Xuexin to command the tank troops to approach the periphery of Yuncheng smoothly.
At noon, the surrounding fog gradually dissipated and the visibility finally improved.Chu Yunfei thought of two ways to deal with these difficulties if there were not enough boats, he would requisition the door panels of the people along the way, and then just nail a few pieces of logs under the door panels to quickly make a simple raft.
If calculated by the number of people and strength, the hundreds of thousands of people in Yuncheng can defeat the thousands of devils in the city even with hoes and sticks.Under their cover, Our army can rush into the range of 200 meters to fight the enemy Sun Ming understood after hearing this Company Commander Wang, Keto Gummies Ds A Tripledimensional 1ztlys66 Approach To Keto Supplements you are using them as snipers At that time, both the enemy and us hid in the trenches and fought coldly with each other.
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During this time, Wang Xuexin would turn his attention to Yuncheng from time to time.
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Wang Xuexin hesitated and said, Unless
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Then the soldiers dare to let go End of this chapter No problem Sun Erwei agreed without even thinking about it.
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It s just that the devils radars are relatively backward.We don t know about it, neither does the Jinsui Army, so there is this picture Li Yunlong laughed hehehe So it s not a problem for our tanks to hit the railway station along the railway line, yes Right That s almost what it means Wang Xuexin nodded.
From Chimi Kono s point of view, there are only a few winding trenches in front of him, Lose Weight The Easy Z94 Way Meal Replacement Shakes That Actually Work and no one is there, but people s heads can be seen faintly in the trenches.He proudly raised his bloody head and galloped towards this direction.
The reason is that this is the time when China s comprehensive resistance to war is weakest.A slack mentality arose in the commander s mind Anyway, he will be drawn in the future, so what s the use of training After being silent for a while, Zhao Gang suggested Otherwise, I think we need more infantry who master this kind of infantry tank coordinated combat skills.
It s no small matter for a reconnaissance company. Before Sun Ming could answer, Wang Xuexin waved his engineering shovel again and said, How about we add a blade to one side and a saw to the other, so that it can be used as a knife and a saw The more Sun Ming heard it, the more frightened he became
This is indeed a very practical idea. Scouts often have to go deep into the enemy s rear to fight.
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The tank stopped to take aim, and the infantry also got out of the vehicle and hid behind the tank to coordinate.At this time, Li Yunlong s voice softened again I said, Lao Randy Jacksons Pound Weight Wjq7ko7p Loss Transformation In Year Zhao, don t even think about it.
At that time, the life of the engine had increased to 600 hours.The rate of fire Increasing the rate of fire of the rifle will only consume more ammunition, and as a result, more of us will be out of ammunition and put more pressure on our factories and logistics
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The four people from both sides of the competition briefly met on the field and then prepared separately.How much space is there for gasoline With such a little gasoline installed, how effective will it be if it hits the enemy and burns it Wang Xuexin came back with the answer.
