Hello dear readers. Not long ago I did full review boot disk from Dr.Web.
And today I want to write about boot disk from ESET. I'll try to write detailed guide with this disk, I’ll tell you where to download it, how to run it on your computer and what problems it can handle. I think it's okay if I compare the ESET disk with the Dr.Web disk a little.
What is an ESET boot disk?
Honestly, I'm a fan (loudly said :)) of antiviruses from ESET. I have this antivirus on my computer and I recommend it to everyone, as I am completely satisfied with it.
And when I saw somewhere on the Internet that ESET had created a boot disk, I became very interested in trying it out; before that, I had used a disk from Dr.Web.
Oh yes, something took me in the wrong direction. So what is an ESET boot disk? Essentially, this is a disk image that you can download for free from the ESET website, burn this image to a disk or flash drive, and use it to solve many problems.
What kind of problems can be solved with such a disk? Well, since it was released by an antivirus company, it was primarily created to fight viruses, and most importantly, ransomware viruses. The ESET disk even has a special utility for destroying ransomware viruses, I’ll tell you more about it later.
But this disk contains not only an antivirus, there is also an equally useful explorer that can be used to save files during a system crash, there is a browser and a couple of other useful features, but first things first.
How to download and burn a Live CD from ESET?
You can download the .iso disk image, as I already said, from the official ESET website using the link. When you click on the link, you will see this picture:
Next, just click on the “Download” button and a window will immediately appear asking you to save. iso image to your computer, keep it, it weighs a little more than 200 MB. You can also download the manual below, by the way, I really liked the manual, everything is very cool and clearly laid out.
After the disk image is completely downloaded to the computer, we need to burn it to a disk or flash drive.
I advise my beloved to burn to disk UltraISO program. Download it, install it, and the .iso image will immediately launch in this program. You just need to click on the record button and wait for the recording to finish.
You can also write it using the standard Windows tool.
Click right click to the downloaded image.
Select "To open with" And “Image Burner Windows drives”
All that remains is to click on the “Record” button and wait for the recording process to complete.
Bootable USB flash drive with this image, you can create it using the Flashboot program, as promised, there will be a separate article about this.
This means insert the finished disk into the drive and restart the computer. If you boot from the drive and you see a window for loading a LiveCD from ESET on the screen, then you can skip the paragraph below and go straight to the description of choosing a boot mode.
After ESET starts loading the disk, you will see the following picture on the screen:
On the loading screen, 4 loading options will appear.
- "ESET live-CD Graphics mode"– this mode will allow you to launch a disk with a graphical shell and conveniently work with the system. It is recommended to choose this one.
- “ESET live-CD Copy to RAM” – in this boot mode, all files will be copied to RAM and the system will work without a disk or flash drive.
- “ESET live-CD Text mode” - from the name it is clear that this is a text mode, that is, you can work with the disk through command line.
- “Run Memtest utility” is a utility that can be used to check RAM for errors.
Select the first option and press “Enter”.
We wait a little, and we see the desktop of the LiveCD system from ESET.
Basic utilities in ESET LiveCD
I will make a small review of only four, in my opinion, main utilities, the shortcuts of which are located on the desktop.
This is an antivirus scanner. With its help, you can scan your entire computer for viruses and possibly destroy those viruses that prevent your computer from starting. Since the operating system is not running during scanning, it will be easier for the antivirus to find and clean most viruses.
Userinit_fix
This utility was created by ESET specifically to combat ransomware viruses. So, if your computer has been affected by a ransomware virus, then you simply need to try using this utility. Launch it and follow the instructions.
Internet
The built-in browser allows you to visit any site without even starting the operating system. This can be useful, for example, when the computer gives an error and through the built-in browser it is possible to search for a solution to the problem on the Internet.
Computer
Hiding under this name file manager, which will help you transfer files from one partition to another (convenient when reinstalling Windows), or perform other operations with files.
I liked the file manager in the ESET boot disk much more than in the LiveCD from Dr.Web. It is more functional and understandable.
These four utilities are the most basic and most useful. But there are other programs on the disk. They are hidden in the start menu (blue icon in the lower left corner). I won’t list them, you can figure them out yourself.
I was also pleased with the large number of system settings.
conclusions How to protect a flash drive from viruses
S lovak company Eset- creator of the once popular antivirus NOD32— followed the good tradition of security software developers releasing free antivirus software Live-discs, even if the main products are offered for a fee. The rescue disk produced by Eset, like many similar products, is based on the distribution kit Linux, and this time – on Ubuntu
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Eset SysRescue Live designed to combat malware if it interferes with booting Windows or block the antivirus from running inside operating system. The Live disk from Eset includes an anti-virus scanner with updated anti-virus databases, as well as various tools for restoring system functionality and rescuing user data. Below we will take a closer look at the functionality of the Eset SysRescue Live rescue disk.
1. Download a Live disc and burn to media
Eset SysRescue Live can be downloaded for free on the official Eset website( http://eset.ua/ru/download/utility?name=sysrescue). The live disc is available in the format ISO -image for recording on CD/DVD or flash drive. To create emergency media, you can also download special utility, which in a single process will download the ISO image and immediately write it to optical disk or flash drive.
To download a Live disc, you must specify the language. Apparently, in the future Eset plans multilingual support for the rescue disk, but for now only English is available. In fact, you need to specify it in order for the download button to be activated.
In the utility for burning a Live disc, at the first stage you need to select the media - flash drive or optical disk .
2. Launch Live Disc
After booting the computer from Live-disk we will see a window with a selection of proposed actions, including, in addition to entering directly into the Eset SysRescue Live interface, it will also be possible to run RAM testing and hard drive computer in a separate environment. RAM tested using the utility Memtest86+ , and checking disks for errors is carried out using Eset . To launch the main Live disk environment, you must select the first option.
Next, you must accept the Eset license terms. And in order for the button to accept them to become active, you need to set two parameters - enable or disable the technology Live Grid (cloud system threat analysis) and detection of potentially unwanted software. Neither one nor the second parameter is of fundamental importance for resolving the issue of neutralizing threats that prevent starting Windows, Dont Have.
3. Antivirus scanning
The Eset scanner window on the Live disk screen will launch automatically. The process of updating the anti-virus databases will also automatically start. (if Internet is connected) . And the first thing you need to do is just wait for this process to complete. The completion mark for updating the anti-virus databases can be seen in the section. If the anti-virus database update does not start automatically, this process must be started manually.
Anti-virus scanning runs in the section "On-demand scan". There are two types of scanning available here - and . The first type is the so-called smart scan, which involves searching for malware in the boot sector and on all partitions of the computer’s disks. Below the options for launching scan types, there is a button to access settings - .
In the Smart scan settings, you can expand the list of types of objects to be searched. In the column "ThreatSense Engine" you need to press a button "Setup".
Then in the window that opens, check the boxes next to objects that are not included in scanning by default, and this archives, mailboxes , mail files.
Another type of scanning offered is a selective scan, for which you can assign only certain areas of the computer, such as: boot sector, disk partitions, drives, connected devices.
Once the scan is complete, the report will show the number of threats detected and cleared.
Files identified by the antivirus as threats are quarantined, from where some of them can be released if necessary. Access to quarantine is provided in the section "Tools".
To release an object from quarantine, you must call context menu and choose either to restore the file to its original location, or "Restore to..." to restore the file to another location.
On board Eset SysRescue Live there is a classic set of emergency Live disk tools that can be useful in case of problems with your computer. Supporting tools include:
— Access to network settings and the Chromium browser to access the Internet;
— Two file managers for accessing and moving data (one with a regular interface, the other console type);
— Image and PDF document viewer, editor text files;
- Program remote access TeamViewer;
— GParted disk space manager.
LiveCD ESET NOD32 - will help if viruses have invaded your favorite computer, when they multiply at the speed of thought and occupy all the living space on the disks, viruses literally take out the remains of your brain with their presence on the computer. Live CD ESET NOD32 is a boot disk with which you can quickly start your computer and restore the functionality of a disabled operating system.
Main advantage of LiveCD ESET NOD32 is that the program runs independently of the computer's operating system, while having access to the hard drive and all file system. This allows you to remove infections that in normal situations (for example, when the operating system is running, etc.) are simply impossible to remove.
To boot your computer using the ESET boot disk, you must:
1. Download ESET NOD32 Live CD file (.ISO)
2. Burn the ISO image to a CD at minimum speed (you can also burn it to USB flash drive)
3. Install a CD (or USB flash drive) with an ESET boot disk image recorded on it, and restart the computer, having first enabled it in the settings BIOS loading from a CD (DVD) disk (or USB flash drive).
For this:
A.) Launch BIOS settings by pressing Delete keys or F2 (see documentation on the PC) when the computer starts.
B.) Using the arrows on your keyboard, select the Advanced BIOS Features tab and press Enter.
WITH). Select the First tab Boot Device, press the Enter key, in the window that appears, also using the arrows on the keyboard, place the pointer opposite the CD-ROM label (or opposite the USB Flash drive) and press Enter.
D.) Close the BIOS, while saving the settings, to do this, press the F10 key on the keyboard, after the red window appears, press the Enter key. The computer will reboot and if you have a CD (DVD) disk (or USB flash drive) with an ESET boot disk installed, it will boot.
4. When you load the ESET NOD32 LiveCD from removable media, a splash screen appears on the screen.
Usage
Once loaded, the ESET NOD32 LiveCD launches. ESET SysRescue is a full-featured on-demand scanner with support for updates and configuration.
On currently There are several antiviruses that distribute LiveCDs with antivirus to check the system for viruses in a completely clean system. Some viruses can be protected from removal if you run an antivirus on an infected system. When booting from a LiveCD, a known clean system is loaded (something from the Unix or Linux family) and the antivirus will be able to avoid the effects of already picked up viruses.
One of these antiviruses is ESET sysrescue: http://www.esetnod32.ru/.download/livecd/
The original image is functional, but is designed to be written either to a CD/DVD or to be given the entire flash drive for his use. In this post I will tell you how you can use ESET sysrescue on a multi-boot flash drive (creating such a flash drive is not considered).
As already mentioned, the original image can be burned either to a CD/DVD or to a separate flash drive following the instructions from ESET. True, if we use a CD/DVD, our antivirus databases become outdated very quickly, and we can only update them by burning them new disk. And giving away an entire flash drive (currently less than 1GB and cannot be found everywhere) under one antivirus of 190 MB is stifling to the toad. And then there is a desire to add an antivirus to a multi-boot flash drive, which already has several useful images and still has some free space left.
When using a multi-boot flash drive, you just want to write the original ISO onto the flash drive and write down the rules for booting from it. But we will encounter the fact that after starting the system, the search for the “sysrescue” directory in the root of the available disks will fail, and the download will be interrupted with an error.
Here's why this happens:
- The loader of a multi-boot flash drive (for example Grub4DOS) maps the eset_sysrescue.iso image into memory and starts booting from it.
- When the system boots from ISO, external devices are initialized
- Now the loaded system sees the disks of the target computer and our flash drive, and the sysrescue directory is really nowhere to be found
You can simply add the sysrescue directory from the image to the flash drive and everything will work well, but the toad begins to choke again - 190 MB of files from the sysrescue folder are on the flash drive twice, and once completely empty (in the image file).
Here we can say a special thank you to ESET, since the image file contains everything that is necessary to create a new image with the files we need. True, for this you will need to unpack the image, throw out the files unnecessary for the image and assemble the image. Doing this manually (especially several times) is not very convenient, so I wrote a small script that will simplify the creation of a reduced image for recording on a CD/DVD disk or flash drive, and will also extract files from the image that need to be copied to the flash drive.
The script needs to be placed in the directory with the original image, as well as two files (7z.dll, 7z.exe) from the 7-Zip project. After running the script it will appear new file eset_sysrescue_min.iso, as well as the flash folder, the contents of which need to be copied to the root of the flash drive.
To boot from the original and reduced images, the following Grub4DOS configuration is suitable:
title ESET sysrescue
find --set-root --ignore-floppies --ignore-cd /eset_sysrescue_min.iso
map —heads=0 —sectors-per-track=0 /eset_sysrescue_min.iso (hd32)
map --hook
chainloader (hd32)
We are interested in the first point, as the simplest and most understandable. Select it and press “Enter” on the keyboard. After this, for some time, the system will boot, at the end of which you can see the desktop.
As we can see, this is a typical operating system distribution Linux systems, adapted by Eset to restore the main system.
Boot Disk Tools
Let's meet a few useful utilities that are in this system. Shortcuts to these programs are located right on the desktop, so you don’t need to look hard for them.
ESET SysRescue
This program allows you to perform full scan computer, for the presence of various malware. Since Windows is not running, the utility is able to fight viruses much more effectively and remove unwanted software that sits in startup.
Userinit_fix
A utility that can remove various types of Winlockers (i.e., ransomware viruses that block the system). If you have suffered from just such a virus, then you just need to run this program and follow the further instructions that will appear there.
Internet
A simple browser through which you can easily visit any Internet resource without starting Windows. It can really help out in difficult times, allowing you to find the right solution to your problem on the Internet. Indeed, in some cases, it is not always possible to access the Internet through the browser of the main operating system.
Computer
Well, this is a file manager. It will allow you to work with files on your hard drive, move and delete them. For example, if you need to install new Windows, then you can use the “Computer” window to write all important files to your flash drive.
If we compare this element with something similar to the Dr.Web boot disk, you will notice that it is much more convenient and more intuitive.
These are just the most basic programs that you can resort to in most cases. But there are many other useful tools on the disk. All of them can be found in something like the Start menu, which is located at the bottom of the screen. You can study them all yourself.
The system itself can also be very easily customized. To familiarize yourself with the basic parameters, simply go to the control center through the main menu.
Conclusion
So we got acquainted with the boot disk from ESET. As you can see, working with it is not particularly difficult and any user can do it. Comparing with a similar product from Dr.Web, you will notice that ESET's user interface is more customizable. Although this does not matter to many. Overall, both products do their job well.
I recommend that you burn such a disc. After all, if there is a virus on your computer that blocks the system, you will not be taken by surprise and will easily deal with the unwanted “guest” using such a powerful tool. Bye everyone, see you in the next article. Good luck!
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