Here I want to say, no matter what antivirus you have on your computer, I can tell you for sure there is no 100% security.
Tell me why?
Answer: Viruses, let’s say, are born and appear on the Internet faster. They make all antiviruses dance. They collect viruses every day and create a database, which is then updated in your antivirus.
The largest database is that of the Kaspersky antivirus, but it is the most significant and if you have a weak system, your car will slow down and slow down well. For example, you want to open a browser or program, but you will have to wait a long time for it to open, since the antivirus is putting pressure on the system.
Nowadays, when you buy a laptop, it immediately comes with Windows and antivirus, and mostly Norton antivirus. It had not been noticed before and almost no one used it. But over the last 2 years it has changed and become significant and many many users prefer it. It does not put pressure on the system; the databases are always updated on time. And you can always find a license key for it.
I’ll tell you how my safety is and how I carry out prevention.
I had almost all antiviruses on my machine, but I preferred NOR-32. I won’t talk about its characteristics, since I wrote an article about this product.
But as everyone said, they do not give a 100% guarantee. I put the program in help Ad Muncher this program removes advertising from the site and if you have small children who surf the Internet, this program is just for you. She cuts advertising banners. I think you've come across something like this; when you go to a website, something like this happens: a banner pops up on the floor of the screen and you have to wait for a while for a cross to appear in order to turn it off.
But if you disabled it, this does not mean that it will appear back, you just go to the forum on this site, for example, and it will appear again.
But this is half the trouble, there are pornographic banners, I think this is not at all necessary for a child. This is the program Ad Muncher removes all banners and the site is clean. And if there are advertising banners on the site, my advice to you is not to go there.
These banners are installed by the site administrator and with each click on it he receives money. And to me, such sites have bad content, since the site administration only thinks about profit and not about the site.
Ad Muncher The program is paid, it is better to pay for a year and you will be on the Internet without advertising, there are also promotions for it and you can get the key for free.
With this program you will never catch another infection, this is a full-screen banner, it can be anything, including a porn banner. You just can’t go anywhere from your computer. it wakes up in full screen. And there will always be an inscription: transfer a certain amount of money from your phone and they will send you a code to put it in the banner and the banner will disappear.
When you don’t translate, no one bothers to send you the code.
Eventually: Ad Muncher good help for antivirus.
There is also an application from Google called AdBlock This application is free and can be installed on your browser. Each browser has its own application. I can’t say anything bad about this application, it fights banners well, but unfortunately not quite, but it’s better than nothing.
You can install these 2 programs on your computer and choose which one is for you.
But don’t forget to check it with the Dr.Web utility. The utility is called "Cure Utility - Dr.Web CureIt". You can download it for free on the official website Dr.Web. You don’t need to install it on your computer, just download and run it. And it will scan your entire computer for infected files. And at the end of the scan you will be offered to cure or delete. You first try to cure it, if it doesn’t cure then remove it. Since the files are mostly not system files and deleting them will not change anything in the operation of your computer.
What preventive measures should you take to protect your computer from getting infected by viruses when working on the Internet? How to behave on the Internet to keep your computer safe?
Antivirus
The first thing to do is install an antivirus program. It is not for nothing that all suppliers of ready-made computers necessarily pre-install one or another anti-virus package along with MS Windows. You can install a free antivirus, for example, from Microsoft - MS Security Essentials - for Windows XP, Vista, 7 (http://windows.microsoft.com/ru-ru/windows/security-essentials-download), or Avira (http: //www.avira.com/ru/index). But it is better to purchase a commercial version of an antivirus program. Cm.
Do you need an antivirus + firewall package or just an antivirus? If you use a modern router model to access the Internet, then just an antivirus may be enough, because... Most routers for home use already have a firewall built in and activated by default, providing an acceptable level of protection. If your computer connects directly to the Internet provider’s network or using a laptop to access the Internet somewhere in a cafe is not uncommon for you, then the best choice is an antivirus with a firewall.
Just having an anti-virus package installed on your computer does not guarantee 100% protection against viruses. Every day, every hour, new viruses appear and spread on the Internet. To successfully recognize and eliminate them, the antivirus must be updated regularly. The older the antivirus base, the less useful it is.
The old version of the browser is bad.
In addition to the antivirus program, it is necessary to keep the program that you use to view Internet pages - your browser - up to date. Viruses exploit errors in the browser to inject malicious code onto the victim’s computer. If you have the latest version of your browser installed, then attackers and viruses will not be able to take advantage of already known errors. It is also necessary to ensure that Adobe Flash Player and Java are up to date, because... and they can often cause viruses to infect your computer.
Like everyone else: Windows or...
Currently, the vast majority of viruses are designed to infect computers running MS Windows. An order of magnitude fewer viruses have been written for MacOS X, GNU/Linux, and BSD systems. Thus, if you have no need for programs or games that only work in the MS Windows environment, maybe you should pay attention to alternative operating systems? Cm.
No anonymous ones!
“Someone sent an interesting link via ICQ, I opened it and after that it all started...” Here is an example of a common computer infection scenario. Don't recklessly trust strangers on the Internet. Especially if they encourage you to open some “interesting” link, be it via skype, icq, via a social network or via email. You should also not try to open executable files sent by unknown correspondents (with the extension com, exe, bat, cmd, msi, scr, etc.).
There is xxx written on the fence, and behind it there is firewood.
Often, Internet scammers encourage us to take certain actions or try to introduce malicious code onto the victim’s computer under the guise of external similarity to well-known Internet resources. For example, the site may look exactly like the VKontakte site, require you to enter a login and password, offer to install an “updated client module” or something like that. But at the same time, this is a fraudulent site. If you pay attention to the address of such a site, it may look, for example, www.vk.com.support_vkontakte.ru, and not www.vk.com. Always pay attention to the site address! Large social networks or Internet portals rarely change their address.
Modern Internet browsers have built-in mechanisms for identifying fraudulent sites and sites distributing virus code. Similarly, major search engines (google.com, yandex.ru, etc.) maintain their own databases of malicious sites and warn their users about the dangers of visiting such resources. Thus, it is worth listening to the advice of your browser or search engine when opening dangerous sites.
As you know, free cheese is only in a mousetrap. It's the same on the Internet. If you are annoyingly offered something completely free, then you should double your caution, because... This is often an attempt to infect your computer with viruses or an attempt to extract confidential information from you.
useful links
- The global virus danger level can be viewed:
In this article we will look at how to check an iPhone for viruses and whether an iPhone can catch a virus. Is it possible to clean a smartphone from malicious software? Malicious codes rarely get into Apple devices. In fact, a pocket computer or tablet from this manufacturer is unlikely to have malicious software. Most likely, this is a malfunction in one of the applications that is used regularly.
A suspicious utility must be thoroughly examined. If the user is sure of unwanted software on the device or wants to be convinced of his erroneous opinion, read the material below.
How to check for bad apps on iPhone
From a technical point of view, it is possible to determine whether an iPhone can catch a virus. After all, a virus is a piece of code that is embedded in another program, while a worm is a stand-alone utility. Apps with malicious properties are usually detected at the approval stage, before they appear in the App Store.
Inexperienced programmers or potential criminals, when developing a jailbreak, can install software elements from other sources and accidentally introduce something dangerous into it. In any case, the isolated area of the iOS operating system should prevent an attacker from accessing it.
The main questions that the owner of an Apple device should ask himself.
- Did he install an application from an unofficial source whose authenticity is questionable? If the answer is “yes,” then this may mean that spyware has appeared on the gadget.
- Does the phone exhibit unexpected behavior when only certain utilities are used? If this is the case, then it is likely that unwanted software is already running on the cellular device.
- The search query is redirected to an unknown site in Safari, and the App Store is often accidentally opened without permission. A positive answer means that the problem may be much more serious than the user expected.
The alleged virus on the iPhone persists no matter what programs are open. Can an iPhone catch a virus by downloading programs from the cloud? The likelihood that the smartphone's hardware is faulty or something went wrong is small. Most likely, after updating iOS, changes in the settings occurred accidentally.
Malicious code has reached the internals of the operating system and causes problems throughout the chipset. This case is unprecedented, it is better to back up your files so as not to lose important data. Although such actions must be performed every week.
The most likely case
So can an iPhone catch a virus? Maybe. To do this, you need to carefully check your iPhone for viruses using special scanners or security utilities. Incorrect operation of the device may be due to a problematic program. This does not mean that it is bad; the programmer may have made a mistake. Such misunderstandings arise even among reputable developers.
Hackers cannot penetrate iOS, one of their most popular strategies is to break the developer kit, which in turn is unaware of the actions of the criminals. We are talking about the ability to redirect the iPhone owner to a suspicious resource using a selected program, using a compiled tool.
Suspicious software should be replaced with a more recent version. After these actions the problem will be solved. You need to go to the website or social network of the creator of the “utility” and find out whether there have been discussions on this matter. It is better, of course, to contact the person directly and report the issue.
If the goal is not achieved, you should get rid of the program and forget about it for a while. The dilemma has been resolved, which means the culprit has been found. But you still need to periodically monitor every virus on your iPhone.
Clear history and data
Can an iPhone catch a virus?
Here's some good advice from repair specialists who know whether an iPhone can catch a virus. Advice to help resolve the issue of redirection to unfamiliar websites. Open “Settings” -> “Safari” -> “Delete history” and “Site data”, and then click “Clear history” and confirm the actions.
Shutdown and restart
Press the power button (5 seconds) for a while until the display turns on and the slider appears. Then you need to move the key so that the phone turns off. The screen will turn black. To reboot the handset, you need to press the power button and hold it in this position for about ten seconds. The Apple logo will appear, then there will be a space on the screen to enter the passcode to unlock the smartphone.
The measures taken did not help and there are no more options to check the iPhone for viruses. Much drastic action will then be required.
Restore iPhone from backup
Let's hope that the user regularly backs up his data from the device. If so, it will be easy to recover the information and find out if the malicious code was removed. This did not help, perhaps the copies of the iPhone captured unwanted software, so you need to recreate it from an older backup that was made before the problem appeared.
New device
If all the data is infected and each borrowed file is of no use or the information is unavailable for another reason, you will have to reset your favorite cellular gadget to factory settings. We clear the Apple smartphone by selecting “Settings” -> “General” -> “Reset” -> “Delete all content and settings”. Then enter the password and confirm the process. We wait until the removal is complete, and then we set up the iPhone as a new device.
After all processes are completed, we reinstall the applications that will be used. We reboot digital media and make an interface for ourselves. Now we update iOS regularly, do not jailbreak, monitor social engineering attacks, and do not open suspicious links. That's all I wanted to talk about.
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Any user of the global network is familiar first-hand with the term Internet viruses. And even a schoolchild understands the variety of such applications: offers or their components, incomprehensible toolbars, the same pop-up advertisements, no matter what site they visit. A lot of questions immediately arise, like: “Where did it come from?”, “Why didn’t the antivirus respond?” A common and, in most cases, the only way for such malicious software to enter is through the Internet browser. Attackers are well aware of the holes in its security, problems with the security of common browser plugins and, perhaps, the gullibility of users. In this article we will look at effective methods to catch a virus on a computer using a browser.
Viruses can get onto your computer in different ways; you should pay attention to all suspicious aspects of your browser’s operation.
Social engineering
Social engineering is the art of taking control of human behavior without using the achievements of the technocratic world. This science is used to obtain the necessary information from people and perform certain actions. Social engineering is gaining popularity in light of the increasing role of social networks, instant messengers and email in society. Cybercriminals and hackers who have mastered the basics of this doctrine know in what form and what information to provide to the user, so that he is likely to let a virus program onto the computer.
Methods of infecting a user's PC through a browser: false links, etc.
Many sites are tailored to search queries, for example, download content for free and at high speed. Once on a page that is in the first search results, the user will see a large number of links. They lead to the download of viruses, often with the name of the content you are looking for, but with the extension “exe”. Where is the link to download the required file is very difficult to determine, even if one of them is not malicious.
False links are one of the most common ways to become infected with a virus.Multiple malicious links
Similar to the previous method, a beautiful window appears on the site with a proposal to install additional software, such as agents for social networks, the Amigo program, Mail.ru defender, toolbars. In this case, try to ignore such offers or leave this site.
False messages about PC infection
To avoid catching a virus in your browser window, try to ignore pop-up notifications that your antivirus scanner has detected malware on your computer. Naturally, no antivirus built into the site searched for threats on your computer. The offer to fix the problem hides a link to download spam, a Trojan, or a keylogger.
Messages about outdated Internet browser components
Also ignore pop-up windows with the words: “Attention, your browser is outdated”, “update flash”, etc. After all, clicking on such a window will lead to downloading a virus.
Be careful if your browser warns you about an outdated version, they often infect you with a virus using this method.If you want to make sure of this without putting your system at risk, update your browser by downloading a new version from the official website, install it and visit the site again - the message with the offer will not go away. The same applies to windows with information about outdated plugins and other system components.
What to do if the browser is really outdated, you know - go to its official page on the Internet and download the new edition or download the update through the program menu.
Internet browser security issues
A program is the result of the work of a person or group of people, but does not represent an ideal product. Hackers and Internet scammers instantly become familiar with flaws in application code and use these flaws, and sometimes serious holes in software security, to infect and/or hack the computers of future victims. There is no ideal solution in this case, but following the advice will minimize the risk of infection.
- Use only the latest versions of programs. You can update an outdated browser for free and without disastrous consequences for the user only on the official resource.
- Be sure to install an antivirus program with an integrated firewall or an antivirus and a separate, trusted firewall.
- Avoid pop-up advertising windows on unfamiliar sites and do not run executable files downloaded from such resources without checking them with an antivirus.
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Flaws in browser add-on code
Plugins, like other software, are the result of human activity and have numerous flaws that the user cannot remove on his own. Regularly updating plugins (do not disable the automatic check and download function to do this) minimizes the possibility of infecting your computer using flaws in the source code. It is also recommended to turn off rarely used add-ons when they are not needed, and remove those that are not used at all.
Now you know how to catch the virus.
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