Kaspersky upload a file for verification. Free kaspersky utilities
Unfortunately, not every user has an antivirus on their computer device. Someone is lazy, and someone simply does not consider it a necessity. If suddenly the equipment starts to slow down or ad blocks appear in the browser, you can check your computer for viruses online. To date, there are several services that allow you to quickly scan your PC at any convenient time. Consider the best antiviruses and their features.
In fact, without downloading the installer, it is impossible to check the device. Scanning is online, but the scanning program itself needs access to your files. So one part of the antivirus functions as a browser module, and the second - in the form of a small application. Let's also get acquainted with a couple of "helpers" that support online verification without downloading.
There are cases when everything was scanned, but nothing dangerous was found, and the device still does not work correctly (there are ad blocks on sites, it is impossible to open the page, etc.), most likely, you need to remove malware from the device. Before you check your computer for viruses for free online, you need to know some features:
- you will have to download an application that is not a full-fledged program, but has a special directory or link to cloud storage where it is located. Another method is to drop the suspicious object for verification directly on the site;
- such downloadable programs most often do not interfere with installed full-fledged antiviruses;
- you should use only proven methods of analysis, that is, take utilities directly from manufacturers. If there is third-party advertising on the site, the resource is unsafe. Antivirus developers do not earn money from advertising, they simply sell their products, so they will not place other people's blocks on their own sites.
If everything is clear, you can begin the process.
Perhaps, almost all users know this product. It allows you to effectively check the necessary materials for viruses. Its convenient service quickly analyzes specific objects. For this you need:
- on the official resource select the item "Overview";
- specify the path to the file that needs to be scanned;
- click on the button "Check!" (or Scan).
Works online efficiently and quickly, you do not need to spend a lot of time.
The tool owned by Google Corporation, it helps to check various objects from a PC, as well as various resources on the Internet for the presence of worms, Trojans and other infected software. It is located on the official website, you only need to select the file that needs to be scanned. You can also specify there a link to a page that is suspicious (there is a link below "Check URL"). Click "Check".
After a while, a report will be sent. This is exactly the case when you check for free and without installing additional programs.
Easily scan your home computer for viruses online with ESET Online Scanner
This online scanner also does not need to be downloaded to a computer. It will be loaded as a software module that functions without an antivirus installer and uses the virus databases of the full-fledged ESET NOD32.
As stated on the site, it can easily detect all types of threats using the latest versions of the databases, and also perform a heuristic analysis of the content. After activating the product, you can adjust the necessary settings, enable or disable the search for unnecessary applications on your PC, scanning archives, and other functions.
- full system scan (takes about forty minutes, it all depends on the speed of the Internet and disk space);
- detect any type of threat;
- can find malware even in the registry;
- makes heuristic analysis;
- generates a detailed report.
Another advantage is that the online product is automatically destroyed after the verification procedure is completed, so it does not leave any files behind.
At first, Panda had a publicly available tool that ran right in the browser. Currently, there is only a utility that downloads its modules to the computer (no need to be confused, it is not installed and does not affect other antiviruses). The principle of operation is similar to the previous product: anti-virus databases are loaded, and testing of equipment for threats noted in these databases begins. Upon completion, a report on the "finds" will be compiled (clicking on the arrow gives all the detailed information about specific elements and the possibility of deleting them).
It is worth remembering that the items that are in the Unkonown Files and System Cleaning subsections do not always refer to viruses on a PC. The first item is used to store unknown files and strange registry entries for the program. The next will be the possibility of clearing disk space from unnecessary objects. Experts advise using the portable version, because it does not need to be installed. Among the minuses of this tool, one can single out only the lack of Russian-language support.
Advantages:
- operational check (about half an hour);
- identify common threats;
- highly efficient online cleaning.
Panda is also able to "self-destruct" after it checks and cures files. So it will automatically be deleted, leaving nothing behind.
Another service that allows you to perform a web scan for the presence of malware, trojans. Many users are already familiar with Trend Micro products. Utility available on the developer's site.
After launch, the download of various special files is activated, then you need to accept the terms of the English-language license and click on the Scan Now button to start system testing. By clicking on the Settings link, below this button, you can select specific objects for scanning, as well as mark whether an accelerated analysis or a full scan is required.
The program does not leave anything behind in the system. Databases from the Cloud are also involved here, which helps to ensure a high level of reliability of the utility. In addition, HouseCall allows you to remove detected viruses from your PC. Among the main advantages are:
- quick analysis - about fifteen minutes;
- high-quality disposal of viruses, spyware;
- functions even if an antivirus is already installed on the computer.
Before starting, you should deactivate "heavy" applications on your computer. This way you can speed up testing.
Microsoft Safety Scanner
Microsoft created their one-time check service - Microsoft Safety Scanner. The product is valid for ten days, after which you will have to download a fresh one, with corrected and supplemented databases.
There is also a newer tool called . Both services work and do a good job with their functions.
It is one of the most popular and powerful online virus scanners. Kaspersky quickly and highly efficiently checks your hardware, very common in Russia. The program runs in the cloud, so it's easy to check in real time. Main advantages:
- does not affect speed Windows work(as opposed to a full-fledged product, which consumes a decent amount of resources during the verification process);
- without conflicts with other antiviruses that are on the PC;
- does not eliminate the found threats, but simply notifies them (for some, this is a plus, while others find it inconvenient to remove them manually);
- presents a report with all the details.
Checking is simple:
- download setup file;
- run the program;
- waiting for the completion of the procedure;
- remove viruses (if any).
As you can see, you can independently, without downloading software, check your computer for viruses online. The developers have taken care of the users, so that everyone can choose something convenient and suitable for themselves. What product do you use?
Many computer users with avast! Free Antivirus has become a weekly habit of a virus scanner and doctor Kaspersky Virus Removal Tool free download and use for a one-time check for malicious code.
The main functions of the antivirus include diagnostics and treatment of all, even the newest viruses, worms, rootkits, Trojans and other malicious programs, including spyware or adware. Download if needed free version antivirus for free, it makes sense to download this free Kaspersky antivirus for free.
Disposable antiviruses: download, use and remove
Instead of or together with the disposable Doctor Kaspersky, you can use it as an auxiliary and insuring anti-virus tool. To do this, just download the free antivirus Kaspersky Virus Removal Tool and just run it on your computer. You should not rely only on such utilities, as they do not provide constant reliable protection in real online-offline time. After scanning and disinfection, the computer system can be attacked by malware from outside. Any carrier or transmitter of information connected to a computer, e-mail (e-mail), Internet (www, ftp, torrent) and others can serve as a source of threat. To protect against such threats, there are specialized anti-virus programs, including powerful free anti-virus software, for example, free anti-virus is free and it is not difficult to install even for a computer "teapot".
Principles of Kaspersky Virus Removal Tool
The program works in the same way as other paid and free Kaspersky antiviruses, both in automatic mode and according to manual settings. Naturally, the automatic mode allows the anti-virus program to decide the fate of infected and diseased files according to the built-in algorithms. Malicious, infected and suspicious files are moved to the quarantine zone or deleted. When possible and necessary, treatment is usually prescribed and performed.
For a simple user, it is recommended to leave the default settings. Computer gurus and simply inquisitive computer users, if they have free time, can "play around" with the settings. For preventive purposes, we recommend weekly scanning with the new version of one-time Kaspersky VRTool antivirus (AVP Tool). To do this, you need to download Kaspersky Virus Removal Tool for free again. This program with built-in anti-virus databases is updated every day.
Free antivirus kaspersky can...
Kaspersky Virus Removal Tool checks the computer's RAM and permanent memory against the latest anti-virus databases of the Kaspersky Lab using a heuristic probabilistic analyzer. This free antivirus starts up safely and works effectively on an infected system, although it is recommended to restart the computer in " safe mode"And for greater reliability, start checking from there.
It is also worth remembering that the one-time KasperskyVRT cannot update virus databases on its own, since all anti-virus databases are loaded as part of the program. Unlike permanent antiviruses, which are usually able to download up-to-date virus database signatures on their own, when using a one-time antivirus program, you need to download the free antivirus Kaspersky Virus Removal Tool again. Fortunately, there is always the opportunity to download a free antivirus without registration, and this program is updated daily, or even more often.
If a permanent stationary anti-virus is installed on the PC software, such as avast! Free Antivirus, AVG AntiVirus Free or other system antivirus running all the time, then there will be no problems. The anti-virus utility Kaspersky Virus Removal Tool (AVP Tool) does not conflict with the regular anti-virus installed on the computer.
- Letter. Please tell on your site about, for example, Kaspersky Virus Removal Tool or Kaspersky Security Scan, I think they deserve attention. I just had a dispute with a friend, he tells me that the best anti-virus utility that works without installation on a computer is . I don’t argue, and you often mention it in your articles, it actually finds and neutralizes malware well, but I think Kaspersky utilities are no worse than Dr.Web utilities. Kaspersky Lab even has a TDSSKiller.exe utility that finds and neutralizes malicious programs such as rootkits. There is an article on your site about, but not a word about the above utilities. Or you think that they are not effective in fighting viruses. Max.
- Letter #2 I downloaded a utility from Kaspersky Kaspersky Security Scan, but it turns out that it does not remove viruses, but simply informs about threats and the security status of your computer. I don't understand what's the point of using it. Without a signature.
- Letter No. 3 Admin, help with advice. When scanning the computer for the presence of rootkits with the TDSSKiller utility from Kaspersky, it was found suspicious object, medium danger – Service: sptd. The instructions for using the utility say: copy the suspicious object to quarantine and then send the files to the Kaspersky Virus Lab or check for viruses on the VirusTotal.com website. In short, I copied a suspicious file to quarantine and wanted to check it on the VirusTotal.com website, but I can’t find the quarantine itself, there is no information about this anywhere in the program settings, on the Kaspersky forum they advised me to carefully read the instructions for using the TDSSKiller program, but there is no such information in the instructions either. Without a signature.
Free kaspersky utilities
In this article, we will download and apply in combat conditions free kaspersky utilities- Kaspersky Virus Removal Tool, Kaspersky Security Scan, and TDSSKiller anti-rootkit utility. Let's get acquainted with the rescue disk Kaspersky Rescue Disk. How everything works for Kaspersky (and it works), you will see for yourself and draw a conclusion.Undoubtedly, it is worth carrying Kaspersky anti-virus utilities on a USB flash drive and using them as needed in the fight against viruses. I did not write anything about these utilities just because there is simply not enough time.
All Kaspersky Lab products are based on the latest developments in the field of anti-virus technologies, including new "cloud" technologies. Take, for example, Kaspersky Virus Removal Tool (AVPTool), a constantly updated free antivirus scanner. It should be used from time to time to scan your computer for malware. By scanning your computer, this utility neutralizes malicious programs on your computer: Trojans, Internet worms, rootkits, as well as spyware and adware programs. Kaspersky Virus Removal Tool can be run in automatic and manual modes.- But it is important to know that this utility does not provide real-time protection for your computer, that is, Kaspersky Virus Removal Tool will not replace your standard antivirus, but will only help it. While working on your computer, Kaspersky utilities do not conflict with your antivirus software.
- A very important note. You must know everything about all the utilities you use, so that the situation described in the second letter does not happen. The Kaspersky Security Scan utility does not actually remove viruses, but you still need to use it and now you will see how. We will check the free utilities of Kaspersky for performance on the computer of my friend, when visiting one site that turned out to be malicious, he planted two Trojans for himself - in the Startup folder and the Temp temporary files folder.
Kaspersky Virus Removal Tool
Let's start with the Kaspersky Virus Removal Tool utility, analyze all its settings and check our computer for viruses.
Russian language and click Download, then download the program installer to our computer and run it.
We agree with the license agreement and click Get to work.
The free Kaspersky Virus Removal Tool can be run in the Automatic check, there is also a manual treatment mode.
Before pressing Run check, I advise you to go to the program settings. In option Check area, be sure to check My Documents, My Mail and most important Disk (C:). Why?
When scanning an infected computer, I did not check Disk (C:) in the settings and the Kaspersky Virus Removal Tool found only one virus that is in startup,
, but did not find the second malware - located in the Temp temporary files folder
. I had to rescan the Disk (C:) separately, and only during the rescan the virus was found.
Security level can be left in the middle
Option Action, you can check the item - Prompt when found.
If the Kaspersky Virus Removal Tool utility detects a virus program on you, it will inform you to Disinfect , (if possible) Remove (recommended) or Ignore .
So let's go, let's go Run check
The first Trojan was found after 8 minutes.
The second Trojan, as I said, was found during a rescan, so do not forget to mark the drive (C:) for checking in the program settings. The utility immediately offered to remove the second malicious program.
As for manual treatment. It takes place in three stages. Click Collection of information about the system,
the utility collects the information it needs, which is located in the avptool_sysinfo.zip file
Next, register on the Kaspersky Lab forum in the Fighting viruses branch, ask your question and attach the avptool_sysinfo.zip archive, you should definitely get an answer, and sometimes experts may suggest that you execute a script that you need to copy into the Script execution window and click Run script.
http://support.kaspersky.com/6182
At the end of the utility, such a proposal arrives. If you press the button Set protection, we will immediately get to the page with paid anti-virus solutions from Kaspersky Lab.
Free utility Kaspersky Security Scan
Let's move on to the second Kaspersky Security Scan utility, we will scan the same infected computer with two viruses: in Startup and in the Temp temporary files folder.
The Kaspersky Security Scan utility does not remove viruses, but after scanning your computer, it provides detailed information about the threats that are in your computer. operating system and where they are found, vulnerabilities and other issues. It all looks like this.
Let's go back to the page http://www.kaspersky.com/virusscanner, select Kaspersky Security Scan and click Download.
Download and run the utility. Again, I want to say that if Quick check does not satisfy you, then choose Full check. In my case, the situation with the Quick Scan was repeated, it found only one virus in Startup.
During a full scan, the utility found a second malware in temporary files
C:\Users\Username\AppData\Local\Temp
Over time
The free Kaspersky Security Scan utility will give you the following report. We click on the arrow.
What is the state of the anti-virus program on your computer, I got a remark due to the utility of my anti-virus program being disabled at the time of operation.
If the utility finds malware will give you their location.
Kaspersky Rescue Disk
The advantage of checking the operating system with boot disk salvation over other utilities is that the malicious programs that are in the operating system are in out of order, you can say - they just lie on the hard drive.
Select Kaspersky Rescue Disk and click download.
Download the disk image in ISO format, burn it to a disc. Who does not know how to burn an ISO image to a blank CD or DVD, read our article.
So, after we have burned the image to a blank CD, we boot our computer from the Kaspersky Rescue Disk. Again, who does not know how, read our article
In this window, to continue downloading, you need to press any key on the keyboard.
We choose the language Russian, however, who needs what.
We accept the conditions - press the key 1.
Choose Graphic mode.
Wait for the disks to be mounted.
Before us is the desktop of the anti-virus disk Kaspersky Rescue Disk. Let's take a look at the main features of the disk.
Clicking on Kaspersky Rescue Disk opens the settings window, there is nothing difficult to manage here. We also mark the C: drive for virus scanning in the settings, or if you want all drives, but the scan in this case will take a very long time. Click on the button Run a check objects .
Kaspersky Rescue Disk has a registry editor, which you will agree is very convenient, by the way, it was not available in earlier versions of the disk.
You can also use the File Manager if you need to move your files from one partition hard drive another.
And with the help of the built-in browser, you can access the Internet.
TDSSKiller - protection against rootkits
Well, the turn has come to the TDSSKiller utility, which can help you detect and neutralize rootkits on your computer. A rootkit is a program for hiding the presence of a malicious program in the operating system, which helps a hacker to manage a hacked Windows and hide traces of his malicious activity by hiding destructive processes and the rootkit itself.
You can download it on the official website of the Kaspersky Lab, by the way, this link is available detailed instructions using the utility http://support.kaspersky.ru/5353?el=88446 Click Download TDSSKiller.exe
Download and run.
If the program displays a window about the availability for downloading an update, click on Download update.
By default, the utility is configured optimally and nothing needs to be changed. Click Start Check.
If the program after scanning displays such a window - Suspicious object, medium danger - Service: sptd, then this is not a problem. Service: sptd is a service for the Daemon tools disk drive emulator. You may ask - And how to determine whether it is scary or not?
TDSSKiller can identify the following suspicious services or files:
Hidden service - a hidden key in the registry;
Service blocked– inaccessible key in the registry;
Hidden file – a hidden file on the disk is hidden when listed in the standard way;
Locked file- the file on the disk is not available for opening in the standard way;
Changed file- when reading, fake file contents are displayed;
Rootkit.Win32.BackBoot.gen - suspected infected MBR boot record.
For a detailed analysis, Kaspersky Lab recommends copying detected objects to quarantine by selecting the Copy to Quarantine action (the file will not be deleted!!!), then send the files to Kaspersky Lab or to be scanned by VirusTotal.com.
The location of the quarantine is the root of the drive C:\TDSSKiller_QuarantineOpen the site VirusTotal.com, then click Select file
Open and Check
Analysis of the sptd.sys file by VirusTotal.com revealed that only one antivirus company, TrendMicro, classified the sptd.sys file as a PAK_Generic.009 virus.
At one time, I determined that this file is safe, but to be sure, our reader can send it to the Kaspersky Virus Lab.
Articles on this topic:
Alas, no one is safe from the danger of “picking up” viruses. Even your computer. And it seems that the user complies with all security rules, but no, no, and some unpleasant program will penetrate your files. Most often, it is “brought” to the computer by downloaded files. They seem to be useful and working by themselves, but with embedded malicious code. What to do?
The best option is to become a little paranoid and subject everything downloaded from the Internet to scrutiny. However, it is better to “drive” links through which you have not visited before through a thorough analysis.
Moreover, now you don’t even need to install any additional programs for this. You can use one of the online antivirus services. A prominent representative of this family is Kaspersky VirusDesk. As you might guess, it works on the basis of the Kaspersky anti-virus database, which is rather rather big, it should be noted.
Kaspersky VirusDesk
If you don't have an antivirus installed on your computer, the license has expired, or it just doesn't inspire confidence, you can use the help of Kaspersky VirusDesk. It will scan a link or file in seconds and let you know if it is safe.
Keep in mind that Kaspersky VirusDesk, like other similar servers, only warns about the danger, but cannot do anything about it. However, this is enough. Forewarned is forearmed.
Functional
Kaspersky VirusDesk helps you protect your computer from malware, viruses, trojans and rogue programs. To do this, he has the following arsenal of functions.
- Checking link safety based on your own reputation databases.
- Checking files for the presence of malicious code and "attached" viruses.
- Providing recommendations on how to secure the device in the future.
Also, Kaspersky VirusDesk has some semblance of feedback. If, despite all the assurances of the service that the verified link or file is completely safe, you are sure otherwise, you can report this using the special “Disagree with the results” button, which is located immediately below the file verification report.
Kaspersky VirusDesk does not need to be specially installed. This service can be accessed via the link you will find on this page. And start testing right away. Select a file or enter the site address in a special box - and in just a second or two you will receive detailed information, as well as a verdict: “Safe” or “Not safe”.
Advantages and disadvantages
Advantages:
- Does not require installation.
- Completely free.
- In Russian.
- Uses the base of one of the most popular domestic antiviruses.
- Quickly analyzes information and issues a verification report.
- Intuitive interface.
Flaws:
- Cannot cure or delete infected files. It only warns of a problem.
- The size limit of the scanned file is no more than 50 MB.
Conclusion
Kaspersky VirusDesk is a good and high-quality service for checking files and links, which is based on the bases of a popular domestic domestic antivirus. The service is easy to use, convenient and reliable. And, you can be sure, viruses will not go unnoticed.
