Not all people resort to using antivirus on their PC or laptop. Automatic computer scanning consumes quite a lot of system resources and often interferes with comfortable work. And if suddenly the computer starts behaving suspiciously, then you can analyze it for problems online. Fortunately, there are enough services for such a check today.
Below we will consider 5 options for analyzing the system. True, it will not work to carry out this operation without loading a small auxiliary program. Scanning is carried out online, but antiviruses need access to files, and it is rather difficult to do this through a browser window.
Services that allow checking can be divided into two types - these are system and file scanners. The former check the computer completely, the latter are able to analyze only one file uploaded to the site by the user. From simple anti-virus applications, online services differ in the size of the installation package, and do not have the ability to “cure” or remove infected objects.
Method 1: McAfee Security Scan Plus
This scanner is a quick and easy way to check, which will analyze your PC for free in a few minutes and assess the security of the system. It does not have the function of removing harmful programs, but only notifies about the detection of viruses. To run a computer scan with it, you will need:
The program will start scanning and then display the results. Button click "Fix Now" will redirect you to the purchase page for the full version of the antivirus.
Method 2: Dr.Web Online Scanner
This is a good service with which you can check the link or individual files.
In the first tab, you are given the option to scan the link for viruses. Paste the address into the text line and click " Verify".
The service will start the analysis, after which it will give the results.
In the second tab, you can upload your file for verification.
- Select it with the button "Choose file".
- Click "Verify".
Dr.Web will scan and display the results.
Method 3: Kaspersky Security Scan
Kaspersky Anti-Virus is capable of quickly analyzing a computer, the full version of which is quite well known in our country, and its online service is also popular.
In the next window you can see Additional information about the problems found by clicking on the inscription "More". And if you use the button "How to Fix It" the application will redirect you to its website, where it will offer to install full version antivirus.
Method 4: ESET Online Scanner
The next option to check your PC for viruses online is the free ESET service from the developers of the famous NOD32. The main advantage of this service is a thorough scan, which can take about two hours or more, depending on the number of files on your computer. The online scanner is completely deleted after the end of the work and does not leave behind any files.
ESET Scanner will update its databases and start analyzing the PC, after which the program will return the results.
Method 5: VirusTotal
VirusTotal is a service from Google that can check links and files uploaded to it. This method is suitable for cases when, for example, you have downloaded a program and want to make sure that it does not contain viruses. The service can simultaneously analyze a file using 64 (at the moment) databases of other anti-virus tools.
- To check a file with this service, select it for download by clicking on the button of the same name.
- Next click "Verify".
The service will start the analysis and give results for each of the 64 services.
To scan a link, do the following:
- Enter the address in the text field and click on the button "Enter URL".
- Next click "Verify".
The service will analyze the address and show the results of the verification.
If you think that you can only detect and get rid of viruses, then you are mistaken! You will surely ask how it is generally possible to check a computer and laptop for viruses without installing an antivirus? So, it is possible, including without an Internet connection! And free antivirus utilities and online scanners will help us with this.
The most important thing to note is that such utilities can only scan the PC for threats and remove them, they do not treat the computer, keep this in mind.
Before starting to analyze the topic, I would like to say that such programs only complement the main antivirus, but cannot replace it in any way. Therefore, I recommend installing full-fledged security software. Here are some of them from the last year.
Checking for viruses with free software
Microsoft Safety Scanner
Microsoft has created a special utility for checking your computer. It can download from office site. Please note that it is valid for 10 days! After it expires, you will need to download new version with up-to-date virus databases. Its main advantage is portability, it works without installation on a PC.
The developers do not indicate which OS the program supports, but judging by the reviews on the Internet, it works on both Windows Xp and subsequent versions - Windows Vista, 7, 8, 10. It also does not conflict with other antiviruses.
Kaspersky Virus Removal Tool
A free program from the well-known developer Kaspersky, designed to find and remove Trojans and other threats on a PC. The analysis process uses cloud technology, which can significantly speed up the process. You can download it from here.
When malware is detected, Kaspersky does not remove it, but only reports the threat. But you can always remove the viruses you find yourself, for this you just need to follow the path indicated in the report and neutralize the necessary threat.
After finishing checking and cleaning the system, be sure to restart your computer.
Dr.Web Сure it
"Doctor Web" - free program designed to check your PC for viruses without installing an antivirus. Differs in fast speed of work and rather volume base known threats. With its help, you can find malware in a few clicks and remove them once and for all.
To do this, you only need download utility, open it and start the scanning process. Web Doctor will thoroughly check the system and cure it of viruses. The utility perfectly recognizes most threats and supports all versions of Windows.
There are threats that cannot be removed in the normal Windows mode, to do this, boot into safe mode and check again.
Online computer virus scan
BitDefender QuickScan
A utility from a well-known developer that allows you to conduct an online scan without downloading and installing an additional antivirus, simply by clicking on link. To get started, click the " Scan now“, after which a special extension will be installed in your browser. He will have access to all available data on the laptop for verification. The process itself takes no more than 2 minutes.
Why so fast? As indicated on the official website, this is due to the fact that the entire process is carried out in the cloud, and the technology itself consists of identifying threats active at the time of scanning.
ESET Online Scanner
Another way to scan a PC or netbook without downloading an additional antivirus program. It is completely free for ordinary users. To scan, you will need to go to official site.
If you are using Internet Explorer, then the analysis will be performed without downloading additional files. If you use other browsers to access the Internet, then you will need to download a small file and run it. According to the developers, the ESET online scanner is able to detect and remove any kind of threats.
A clear advantage of this utility is the ability to customize scanning. After you press the button to scan, the current anti-virus database will be downloaded from the Internet and after that the search will begin. Of course, the utility is of high quality and reliable, however, to use it, additional software is still installed on the computer and it cannot be used without the Internet.
Panda ActiveScan
Cloud-based antivirus service, popular all over the world. To conduct a free online scan, you need go on the website. Just like ESET, Panda works in IE without installing additional files.
As stated on the official website, the utility is able to detect any Trojans and malware. Treatment of a laptop with its help always goes unnoticed quickly and very effectively!
Dr.Web online
In addition to the well-known Cure it program, Dr.Web web also has a very good free scanner, which allows you to perform a complete online scan of your computer for viruses without installing and without downloading any additional software. Perhaps its main disadvantage is that each file will have to be downloaded separately, which is not convenient in all cases.
To increase the convenience of working with the Doctor Web online scanner, you can place all questionable documents in one archive, then send this entire archive for verification at a time. But here there is a nuance, the volume of one archive should not exceed 10 MB, it is also necessary to understand that the download speed will directly depend on your Internet connection. Therefore, if you have a rather weak Internet, then downloading even such small files can take a long time.
Kaspersky online
You can scan important files for viruses and other threats using a free scanner from Kaspersky. It works online, without installation on a computer. In fact, this is a kind of analogue of Doctor Web, discussed earlier.
Kaspersky is distinguished by its support for downloading larger files up to 50 MB, which is very convenient. Also supports loading of all types of data, including archives. It works fast enough, for example, as a test, I decided to download a 36 MB archive, as a result, it was checked in a minute. Unfortunately, he does not deal with computer treatment, you will have to remove viruses yourself. Despite this, I definitely recommend it.
All disassembled programs perform only a few functions - detection and removal. They can't fix your computer. Therefore I recommend using full-fledged antiviruses, which will not only protect Windows from malware, but in most cases will be able to cure infected files.
Video instructions for working with Doctor Web
Video tutorial on working with Kaspersky
Video: Your trusted protector from Microsoft
Computer virus is tricky software, which can not only harm a personal computer, but also self-propagate, and also self-reproduce. Almost every experienced PC user has ever encountered a similar ailment.
To determine it is quite simple, the main symptoms look like this:
- Device hanging;
- Pop up unwanted windows;
- Disabling some units of the system;
- Unstable operation of the operating system;
- Disappearance of information;
- Moving files;
- Internet problems, etc.
If you have not used antivirus before, having caught a virus, it's time to get acquainted with them. An antivirus is a tool that will find and neutralize an "infection" in a computer system. On the Internet, you can find a huge amount of ineffective software distributed by the same virus manufacturers. In order not to fall for the tricks of scammers, we will consider the most reliable and effective ways to check your computer for viruses online.
Free antivirus-online
Today, online antivirus services are gaining popularity. With their help, diagnosis and treatment is much faster than in a stationary antivirus. The procedure is carried out online, and to start it, just download the scanner small size.
F-Secure Online Scanner
A powerful anti-virus center that can clean your computer from viruses for free in a short period of time (about 10 minutes). It is worth noting that it will not be possible to achieve a complete check of a computer system with such a service. The application interface contains the main paths along which the virus is most often located, and it is their application that will check. To start scanning, disable all available antiviruses, closing all open programs and windows along the way.
The first step to start the procedure is downloading the application (https://www.f-secure.com/ru_RU/web/home_ru/online-scanner - no more than 5 MB). After installing it, we go to the same site and click on the “run now” button.
Note that the browser's question is save or run? Click again - "run". After that, in the window that appears, select the "Start" button, if you change your mind, click "Cancel". By choosing the first option, a scanning window will appear on the screen where you can monitor the progress of the process.
ESET Online scanner
The principle of launching this antivirus is not much different from the one described above, but for Internet Explorer, it is possible to check directly in the browser. The feature set is slightly higher than that of F-Secure. Such a scanner will neutralize your computer from both viruses and the most common malware.
Having closed all the windows (we don’t forget about the antivirus), we go to the site (https://www.esetnod32.ru/support/scanner/) and press the little blue button.
That's all, having updated the archives, the antivirus will begin the diagnostic procedure itself.
The only negative of ESET Online scanner is a rather long scan. A full system scan will take at least one hour. If you look closely, it is more thorough than that of the above antivirus. Moreover, by providing a report on the diagnostics performed, the application will self-destruct.
Panda ActiveScan v2.0
If you need to quickly scan your computer for malware, one of the best solutions, will become Panda antivirus (http://www.pandasecurity.com/activescan/index/). It has two types of scanning: from the browser (only for Internet Explorer) and using the application. Due to the fact that the size of the installation program is slightly larger than that of competitors (28 MB), the scanning procedure can be started directly from it. That is, you do not need to visit the official website again. The whole diagnostic process will take about 10 minutes.
By running the installed software, you can immediately start scanning.
Don't be afraid, the lack of a Russian interface in the application will replace the intuitive process of starting a scan. There won't be any problem with that.
Having finished the treatment, Panda, like ESET, completely uninstalls its files.
Bit Defender Quick Scan
The test of the computer by this antivirus is carried out directly by the browser. By visiting the http://quickscan.bitdefender.com/ resource and clicking on the Scan now button, you will be prompted to install a special Bit Defender plugin. By the way, it is Quick Scan, like our Kaspersky, that has the glory of being the best stationary antivirus abroad.
And only then, the online antivirus will take up its job. Its main task is the elimination of active viruses. In other words, if the "disease" lurks, it is not certain that it will be curable.
Please note that using such a "doctor" will not work with a low Internet speed. If everything is fine with the connection, after completing the online diagnostics, you will be in for a small surprise. As a bonus, the service provides a free version of a stationary antivirus for a period of 6 months. If you already have such software, it doesn’t matter, the online version does not conflict with installed antiviruses.
house call
Another effective remedy to combat malware, it is Trend Micro's antivirus (http://housecall.trendmicro.com/ru/). By going to the official website, the download of the required application will automatically begin. After that, we accept the license agreement and start checking by clicking on the Scan Now button.
Like many analogues, having dealt with trojans and other kinds of viruses, the same procedure will also affect the files of the anti-virus application.
Microsoft Safety Scanner
World renowned manufacturer operating systems, offers its own version of the online antivirus (http://www.microsoft.com/security/scanner/en-us/default.aspx). It is provided for ten days, and then you need to repeat the download to update the antivirus list.
The manufacturer notes that the level of diagnostic quality is significantly inferior to stationary options. However, as an alternative, it adequately performs its functions.
After choosing the bitness of the installed OS and downloading the application, feel free to proceed with the diagnosis.
Check your computer for different kind errors and viruses, without installing heavy antivirus packages, it is definitely possible. To do this, many companies have developed online programs of the same type. Most of their software is stored on a remote server, and you are only asked to download a small application. Antiviruses of this kind, a huge amount. We have analyzed the most popular and effective online antiviruses. Perhaps some of them are slightly below the level of scanning by a standard antivirus. However, in most cases, without them will not cope.
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If the antivirus installed on your computer does not detect anything suspicious, but there are symptoms (freezes, incomprehensible running processes, autorun.inf appearing on flash drives, etc.), a “one-time antivirus” is necessary. It is easy to handle it - just download the link and run it. At the same time, it is advisable to disable the antivirus, which is installed on a permanent basis, for the duration of the scan.
Advantages of disposable antiviruses
1. Free. For home use, almost all disposable antiviruses are free.
disadvantages
1. They are not able to protect your computer all the time (there is no module for real-time protection) and there is no anti-virus database update.
2. You have to download it again every time so that such an antivirus detects new viruses.
Dr.Web CureIt!
Dr.Web CureIt!- a good disposable antivirus. Knows how to deal with running viruses (does not allow himself to be killed during a scan).
HerdProtect
An online antivirus that scans all computer files with 68 antivirus databases. How to use it, told in a separate article
This a good option if unlimited internet is connected.
Minus: does not know how to disinfect infected files.
Plus: You don't need to redownload to check, the databases are always fresh.
Kaspersky Virus Removal Tool
ESET Online Scanner
Plus Online Scanner - no need to worry about downloading new versions with fresh databases. Just open the link or run esetsmartinstaller_rus.exe, the antivirus will start, update and scan your computer for viruses.
Norton Security Scan
Norton Security Scan- Another one-time antivirus. You can download The interface is in English, but simple.
Scans hard drives very quickly. Requires an internet connection, like Eset Online Scanner.
When you first start it creates a shortcut to itself, which is strange.
In general, it is better not to use it, since viruses common in Russia get into its database too late. The newest winlockers (ransomware banners) are unlikely to be detected.
AVZ or Zaitsev Antivirus
Powerful antivirus utility (not a full antivirus!) for advanced users. Functions are not the sea, but the whole ocean.
Supports updating anti-virus databases from the Internet. Unlike disposable antiviruses, it cannot treat infected *.exe files. It is more of an "anti-spyware" with many unique additional features. I will quote the words of the author of AVZ: “ The utility is a direct analogue of the programs Trojan Hunter and LavaSoft Ad-aware 6. The primary task of the program is to remove AdWare, SpyWare and Trojans.» In the archive with the program there is a help on all functions, it must be carefully read before the first launch.
There is no complete online virus scan of the computer, such as the anti-virus program installed on it, does not exist. So, for example, the online version of Doctor Web will offer you to check individual files, or at least all of them, but they will have to be uploaded to the server one by one. A similar real-time check will be offered by the free VirusTotal service, which will analyze your links or files and present a detailed report. In any other case, for a complete check, you will be prompted to save a program, application or browser extension to your computer. This is necessary so that the anti-virus utility or module has access to everything that is stored on your computer.
If, after checking the desktop or online version of the program, no viruses are found, but the problems continue, it means that malicious software is installed on your computer. The online antivirus does not see it, so other means will be needed to remove it. Malicious software is installed along with computer games, applications, browsers and other files interfere with the correct operation. If suddenly the computer starts to freeze, crash, the pages that you usually visit are replete with banners, or do not open, you need to remove the software, which interferes with correct operation.
Before you check your computer for viruses online, be prepared for the following:
- The service will offer you to install a special application on a computer or a browser module. This is not the antivirus that runs on the computer, but it must connect to the server where the databases with existing threats are stored.
- The service may also offer to upload to its server the file that seems untrustworthy to you, or provide a link to the page.
- Be prepared for the fact that you will meet in the vastness of the network whole line services that offer online check. Do not agree to download utilities and install browser extensions to your computer unless you are sure that they are from official antivirus software developers. This is easy to find out by looking at the design of the site. The official developer will not install advertising, there is no need for it, since his product brings him income.
Online Virus Scan BitDefender QuickScan
BitDefender is the best antivirus program that effectively protects your computer from malicious code. She is trusted in Europe and America as well as domestic users of Kaspersky Lab antivirus. The authors offer two versions of the program - desktop, which is installed on a computer and reliably protects it 24 hours a day, and online. latest version is called fast and runs on the page: .
To run an online scan of your computer, you must install a special anti-virus browser extension. The installed component will have access to any information on the hard drive. Press the "Scan now" key and run a quick, 60 second scan. It is unlikely that in 60 seconds you can check all the disks, even if the computer is new and not overloaded with information. Most likely, a quick check only covers the most dangerous areas.
The developers themselves explain this by the fact that anti-virus databases are located in cloud storages and are updated in Non-Stop mode. All threats that are active in real time are identified by the service quickly.
ESET Online Scanner
NOD32 - a popular anti-virus program developed by ESET - also offers the user an online check of his computer and, if necessary, the removal of all malicious applications. Run a quick scan on the official antivirus page - - by clicking the appropriate button.Checking with this scanner is convenient for users of the IE browser. In this case, you do not even have to download components or modules, everything happens in a window, in online mode. And for users of other browsers, the service from NOD32 will offer to download a small file to the hard drive. The scan, unlike the previous service, lasts longer, and also effectively finds all threats, as it constantly updates anti-virus databases.
The launched online check program can be configured according to the user's wishes. For example, you can prevent the scanner from removing detected threats by clearing the corresponding checkbox. As soon as you start the scan, the program will need some time (depending on your Internet speed) to load the databases with all the current threats.
Online check from ESET NOD32 perfectly copes with its duties and provides the user with the opportunity to secure his computer from all sorts of threats. But it is not suitable for those who are against installing any third-party programs on their computer.
Panda ActiveScan - cloud-based virus scan
ActiveScan is an online scan of your computer from the popular Panda anti-virus program, which is based on cloud technology and has firewall functions. You can check your computer on the following page:. In the site settings, select the Russian language. The service is free and allows you to check as many files as you like.
ActiveScan comes in two versions. IE browser owners can check the computer by downloading a special component. And for those who use other browsers, the service offers to use the "cloud cleaner". But in this case, a special utility will have to be downloaded to the computer. Unlike full-fledged antivirus software, the utility runs on demand and scans the PC for all sorts of threats.
Free virus and spyware detection HouseCall
HouseCall is a well-known service from Trend Micro that runs on demand, quickly searches for and effectively removes viruses, worms, and Trojans. Many users choose this web check as one of the most reliable.
The program is downloaded on the subdomain page of the developer's official website: . Turn on the Russian language in the settings. You will need to upload some files and click the "scan" button to run the web check. Before starting, you can configure the scan to your liking. So, for example, you can scan individual files, conduct an express analysis for threats, or a full scan of all areas of your computer.
The program effectively searches for threats, as it uses cloud-based anti-virus databases. And another advantage that users like is “traceless” verification. After itself, the utility will not leave any traces.
Microsoft Safety Scanner - On-Demand Virus Scan
Microsoft also provides users with its online computer scan service. The utility can be downloaded for free and check the PC for ten days. After this period, it is necessary to download a new version of it with fresh threat databases. Users who have the desktop version of Microsoft's antivirus protection run the risk of not being able to use the online version because it simply won't run on their computer. Although there is no mention of conflicts on the developer page. However, you can experiment if necessary.
Kaspersky Security Scan
The famous antivirus created by Kaspersky Labs also allows users who do not have a desktop version to scan their computer and remove, if necessary, all threats found. from Kaspersky, similar to BitDefender, it works very fast, because it is based on innovative technology"clouds". The program can be installed even if the computer is already protected by a desktop version of a full-fledged antivirus from Kaspersky. The online scanner, when detecting threats, provides the user with the opportunity to make decisions himself. Found threats can be removed manually, or use special utilities.
McAfee Security Scan Plus
by Intel Security-McAfee is another effective and easy-to-use on-demand online scanner.
Although the program requires downloading, it runs on a computer without installation. True, before you check your PC with it, you will have to watch ads for antivirus software. The verification is carried out in two stages. First, the utility will check if the computer has a desktop version, the latest versions of databases, and firewall settings, and only after that it will report threats, if any.
Online virus scan without downloading files
The following methods make it possible to perform not a complete scan of your computer, but only individual files and links. You don't have to download or install software on your PC. It is enough to drag the desired file or specify the path to the directory and click the "scan" button.Checking files and sites for viruses in Virustotal
Worms, viruses, trojans and other malware will be found by Virustotal, Google's online service. To protect yourself from all kinds of threats, go to the following link:. Specify the Russian language in the settings. You can upload a file to the service from hard drive or provide a link from a web resource. Press the "Checks" button and wait detailed analysis file from PC or URL.
An online check takes several minutes, after which the service will provide a full report.
Online scanning of files for viruses in Dr.Web
Doctor Web also allows users to check individual files in real time. There is no need to download utilities or modules, the service will check the file on the page: . Once the file or URL is uploaded, click "scan".There are currently nine such effective ways online scans of the entire computer, its individual files or web pages. Which method you choose is up to you.
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