AVZ - a free antivirus application for a Windows computer was created by a Russian, our compatriot Oleg Zaitsev.
Download AVZ a free tool to protect your computer from many different threats, virus software and more. Antivirus will provide you with the ability to use your own scripts, this advantage will be most appreciated by administrators of corporate networks. Based on all of the above, we can confidently say that AVZ will be an excellent shield for your system.
You can download AVZ for free from the official website and the latest version; there is also an archive with antivirus databases updated once a day.
History is silent about what prompted him to create the AVZ utility, but his creation still enjoys good success. The author of the program wanted to create something universal, because, as you know, from year to year, hackers try to come up with new bypasses of anti-virus programs, so Oleg tried to develop a new detection algorithm, namely, to create a utility that would detect a virus application on different grounds than others similar programs.
Therefore, AVZ can detect malicious software not only by the identity in the signature databases, but also by the characteristic file modification and other changes in the registry. The utility has everything you need to find and remove viruses - its list includes a scanner, the ability to send suspicious files to quarantine, and support for heuristic analysis.
However, it is better to use the application as an assistant to the main anti-virus package, since popular antiviruses like NOD32 or Kaspersky Anti-Virus update the anti-virus databases almost every day, which means that very reliable protection will be guaranteed from this side. In turn, AVZ will insure the main antivirus and catch viruses that have managed to bypass identification by signatures. The developer of the program himself claims that his creation is focused on utilizing Trojans and utilities for remote monitoring of a PC, so the utility will not return infected files to normal operation.
AVZ is a free utility designed to search for and remove viruses, as well as to restore system settings after malicious programs.
Preparation for work
1. Download the AVZ utility from the official website: http://z-oleg.com/avz4.zip
2. Unpack the archive
3. Run the file from the archive avz.exe
4. Go to the menu File and choose Database update
Click on Start to start the update process :
The process of updating the anti-virus databases is in progress:
When the databases are updated, this message will appear. Click on OK:
Virus check
To scan for viruses, on the left, check all the disks of the computer, on the right, check the box Perform treatment, and below click the button Start:
System Restore
System Restore is a very useful feature of the AVZ utility. It will come in handy after removing malware to eliminate its traces. Press to start system restore. File -> System Restore:
Select the necessary checkboxes and click the button Perform marked operations:
Confirm intent:
Cleaning browsers with AVZ
From the main menu select File.
Select item Troubleshooting Wizard:
In field The degree of danger choose All problems.
Click on Start.
Check the boxes below:
- Clearing the TEMP folder;
- Adobe Flash Player - cleaning temporary files;
- Macromedia Flash Player - clearing caches;
- Clearing the system folder TEMP;
- Clearing the caches of all installed browsers;
Click the button Fix reported issues.
Description:
AVZ- Free fast working anti-virus utility. Includes AVZ itself and additional utilities AVZGuard / AVZPM / BootCleaner.
Its main purpose is to detect and remove SpyWare and AdWare modules, as well as Dialer (Trojan.Dialer), Trojans, BackDoor modules, network and mail worms, TrojanSpy, TrojanDownloader, TrojanDropper.
In fact, AVZ is an analogue of the popular Ad-aware program (of course, with its own peculiarities).
Additional options include a heuristic system checker, built-in Rootkit detection, Winsock SPI / LSP settings analyzer, built-in process, service and driver manager, open TCP / UDP port analyzer, Keylogger and Trojan DLLs that work without signatures (an original neuroemulator is used, which allows you to study suspicious files using a neural network).
Features of the AVZ utility:
Firmware for heuristic system check. Firmware searches for known SpyWare and viruses by indirect indications - based on the analysis of the registry, files on disk and in memory.
Updated database of safe files. It includes digital signatures of tens of thousands of system files and files of known safe processes. The base is connected to all AVZ systems and works on the "friend / foe" principle - safe files are not quarantined, deletion and warning messages are blocked for them, the database is used by an anti-rootkit, a file search system, and various analyzers. In particular, the built-in process manager highlights safe processes and services with color; searching for files on the disk can exclude known files from the search (which is very useful when searching for Trojans on the disk);
Built-in Rootkit detection system. The search for RootKit goes without using signatures based on the study of basic system libraries for intercepting their functions. AVZ can not only detect RootKit, but also correctly block the UserMode RootKit for its process and KernelMode RootKit at the system level. RootKit counteraction applies to all AVZ service functions, as a result, the AVZ scanner can detect masked processes, the search system in the registry "sees" masked keys, etc. The anti-rootkit is equipped with an analyzer that detects processes and services masked by RootKit. One of the main features of the RootKit countermeasure system, in my opinion, is its operability in Win9X (the widespread opinion about the absence of RootKit running on the Win9X platform is deeply mistaken - there are hundreds of Trojans known to intercept API functions to mask their presence, to distort the operation of API functions or monitor using them). Another feature is the KernelMode RootKit, a universal detection and blocking system that works under Windows NT, Windows 2000 pro / server, XP, XP SP1, XP SP2, Windows 2003 Server, Windows 2003 Server SP1
Keylogger and Trojan DLLs detector. The search for Keylogger and Trojan DLLs is carried out on the basis of system analysis without using a signature database, which makes it possible to reliably detect in advance unknown Trojan DLL and Keylogger;
Neuroanalyzer. In addition, the AVZ signature analyzer contains a neuroemulator that allows you to study suspicious files using a neural network. Currently, the neural network is used in the keylogger detector.
Built-in analyzer Winsock SPI / LSP settings. Allows you to analyze the settings, diagnose possible errors in the settings and make automatic treatment. The possibility of automatic diagnostics and treatment is useful for novice users (there is no automatic treatment in utilities such as LSPFix). To study SPI / LSP manually, the program has a special LSP / SPI settings manager. The Winsock SPI / LSP analyzer is covered by an anti-rootkit;
Built-in manager of processes, services and drivers. Designed to study running processes and loaded libraries, running services and drivers. The operation of the process manager is affected by the anti-rootkit (as a result, it "sees" the processes masked by the rootkit). The process manager is linked to the AVZ safe file database, the identified safe and system files are highlighted;
Built-in utility to find files on disk. It allows you to search for a file by various criteria, the capabilities of the search system are superior to those of the system search. The operation of the search system is affected by the anti-rootkit (as a result, the search "sees" the files masked by the rootkit and can delete them), the filter allows you to exclude from the search results files recognized by AVZ as safe. Search results are available in the form of a text protocol and in the form of a table, in which you can mark a group of files for subsequent deletion or quarantine
Built-in utility for searching data in the registry. It allows you to search for keys and parameters according to a specified pattern, the search results are available in the form of a text protocol and in the form of a table, in which you can mark several keys for their export or deletion. The operation of the search system is affected by the anti-rootkit (as a result, the search "sees" the registry keys masked by the rootkit and can delete them)
Built-in analyzer for open TCP / UDP ports. It is subject to the anti-rootkit effect; in Windows XP, the process using the port is displayed for each port. The analyzer relies on an updated database of ports of known Trojan / Backdoor programs and known system services. Searching for ports of Trojans is included in the main system check algorithm - when suspicious ports are detected, warnings are displayed in the protocol indicating which Trojans tend to use this port
Built-in analyzer for shared resources, network sessions and open files over the network. Works in Win9X and Nt / W2K / XP.
Built-in analyzer Downloaded Program Files (DPF) - displays DPF elements, connected to all AVZ systems.
System recovery firmware. Firmware repairs Internet Explorer settings, application startup settings, and other system settings that are corrupted by malware. Recovery is started manually, the parameters to be restored are specified by the user.
Heuristic file deletion. Its essence lies in the fact that if during the treatment, malicious files were deleted and this option is enabled, then the system is automatically examined, covering classes, BHOs, IE and Explorer extensions, all types of autorun available AVZ, Winlogon, SPI / LSP, etc. ... All found links to a remote file are automatically cleaned up, and information is entered into the log about what exactly and where was cleaned up. For this cleaning, the system treatment microprogram engine is actively used;
Checking archives. Starting from version 3.60 AVZ supports scanning archives and compound files. Currently, archives in ZIP, RAR, CAB, GZIP, TAR formats are being checked; e-mails and MHT files; CHM archives
Checking and disinfecting NTFS streams. Checking NTFS streams is included in AVZ since version 3.75
Management scripts. Allows the administrator to write a script that performs a set of specified operations on the user's PC. Scripts allow using AVZ in a corporate network, including its launch during system boot.
Process analyzer. The analyzer uses neural networks and analysis microprograms; it turns on when advanced analysis is enabled at the maximum heuristic level and is designed to search for suspicious processes in memory.
AVZGuard system. Designed to combat hard-to-remove malicious programs, in addition to AVZ, it can protect user-specified applications, for example, other anti-spyware and antivirus programs.
Direct disk access system for working with locked files. Works on FAT16 / FAT32 / NTFS, is supported on all operating systems of the NT line, allows the scanner to analyze locked files and place them in quarantine.
Process monitoring driver and AVZPM drivers. Designed to track the start and stop of processes and load / unload drivers to find cloaked drivers and detect corruptions in the structures describing processes and drivers created by DKOM rootkits.
Boot Cleaner driver. Designed to perform system cleaning (removing files, drivers and services, registry keys) from KernelMode. The cleaning operation can be performed both during computer restart and during disinfection.
Note:
In case of problems with automatic database updates, you can download an archive containing the entire current database - avzbase.zip (the archive is updated twice a day)
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AVZ is Zaitsev's antivirus designed to detect and remove AdWare and SpyWare programs. In addition, the application copes with email worms, rootkits and Trojans. The utility resembles TrojanHunter in functionality, but surpasses it in efficiency.
Hare Anti-Virus scans the system for dangerous files. The utility uses heuristic analysis for monitoring. If it detects potentially dangerous files, the "defender" sends them to quarantine.
Antivirus software is installed on any computer. As for the operating system, the utility can work on both Windows 98 and Windows 10. The only limitation is that technologies such as AVZPM and AVZGuard do not work on earlier versions.
Key features
- Monitoring the system for malware;
- Heuristic analysis;
- Scanning devices connected to USB ports;
- Detection of system vulnerabilities;
- Search and neutralization of spyware that remember passwords typed by the user;
- Elimination of mail and network worms;
- Fight against Trojans;
- Scanning TCP / UDP ports;
- Analysis of running processes;
- Database update;
- Scanning the registry;
- Moving files to quarantine.
Advantages
AVZ antivirus copes well with viruses, but this is not its only advantage. The application is capable of recovering a damaged disk after some malware activity. Through the use of the utility, users can "enter" the locked disk partitions.
Another advantage is the absence of conflict with other antiviruses. At the same time, programs are able to work in "symbiosis", that is, popular antiviruses begin to find even those viruses that have not been detected before. AVZ serves as a kind of catalyst for them.
Antivirus utility AVZ is distributed free of charge. She doesn't have any "PRO" versions. It is enough to download the program once and you can use it an unlimited number of times.
AVZ antivirus does not need to be installed. It is enough to download the utility and then unpack it. If you scan your system every day, you can quickly deal with new spies that have infiltrated your system.
An intuitive interface is an advantage for many users. In addition, the avz anti-virus utility is distributed in Russian. Thanks to this, even a beginner can cope with the management and configuration.
The neuroanalyzer deserves special attention. The utility has not only a database for searching for viruses, but also a neuroemulator. Having found a suspicious file, the utility places it in the neural network for conducting research activities.
Thanks to the system recovery firmware, it is possible to reset Internet Explorer settings as well as system parameters. It should be noted that the recovery process must be started manually. In this case, you must first set the parameters.
The AVZGuard system allows you to cope with stubborn applications. In addition, after configuration, you can specify the programs that need to be protected. It is best to add other anti-virus software to the database.
disadvantages
The AVZ scanner program does a poor job with viruses packed in archives. This means that at the moment of downloading the zipped file from the Internet, the "defender" is not able to detect most of the Trojans.
Sometimes the application tries to delete files important for the system, as it considers them to be infected. It is best to look independently, everything that the antivirus found.
Another significant drawback is that AVZ for Windows 7 is not able to cope with emerging threats in real time.
Changes in the new version
With the release of the new version, the antivirus scanner has undergone some changes. The main modifications include:
- Expansion of LAN diagnostics;
- Working with archives has been changed;
- Added parser function for filenames;
- The ability to remove Google policies;
- When an error is found, it moves to the line with the problem;
- Fixed some functions of the script;
- The error in detecting processes on 64-bit systems has been eliminated;
- The work of the quarantine has been revised;
- Changed the principle of work on Windows 10.
In addition to the main modifications, minor changes were made regarding the principle of the program, which are not perceptible to the user.
How to download the utility
Having figured out what AVZ is and what it is needed for, you can proceed to downloading the application. First you need to go to the official Internet resource of the developer Oleg Zaitsev. In the browser, you must enter the address "z-oleg.com".
When the website is loaded, you need to find "AVZ" in the navigation bar. After that, select "Download / Download" in the menu that opens.
Launching the program
After you get AVZ to download for free, you can start unpacking it. To do this, you need to right-click the "mouse" on the archive, and then select "Extract to avz4".
When the antivirus is unzipped, you need to enter the folder and then run the exe file.
When the utility starts, the user will be able to select the storage medium to be checked. In addition, you can customize the types of files that the antivirus will view. And one more important point is the item "Search parameters".
After configuring the scanner, you must click "Start". When the scan starts, you can see the monitoring results in the "Protocol" field. Scanning usually takes less than 10 minutes.
In addition to regular scanning, users can take advantage of additional features. To do this, click on the "Service" menu item.
Each menu item performs its own function. The most popular options include:
- Process manager;
- Service and Driver Manager;
- Startup manager;
- System utilities.
Thanks to the available functionality, professionals quickly cope with viruses and problems that have arisen on the computer.
Conclusion
The anti-virus utility does an excellent job with the tasks. In addition, you can download the application completely free of charge. The scanner can be carried on a USB flash drive, which means it can be used to scan any computers, even those not connected to the Internet.
AVZ is a functional anti-virus utility that can remove spyware and trojans, as well as some other types of malicious codes. AVZ is not just an antivirus scanner - the program can also perform so-called heuristic analysis to detect viruses based on typical characteristics. Heuristic analysis can detect viruses even when they are not in the anti-virus databases.
One of the features of AVZ is the safe file database. This is not a signature base, it includes digital signatures of "clean" files. This database includes system files and files of known safe programs. The elimination method can analyze important system areas and remove all malware from these areas.
It should be noted separately that AVZ effectively fights one of the most dangerous types of viruses - Rootkit. The program analyzes the base system libraries and modules to determine the interception of their functions. The program can effectively block "rootkits", and also protects itself from the actions of such viruses.
Keyloggers, as a type of spyware, are also in the field of action of this antivirus. It quite confidently detects actions to install "hooks" and intercept keystrokes. Signature analysis is not used to find keyloggers.
Antivirus can also be used for in-depth analysis of processes. The built-in process manager displays all running processes, loaded libraries and services, which gives a clear picture of what is happening in the system. The anti-rootkit module is associated with this dispatcher and allows you to display hiding processes.
AVZ also has functions for working with the system registry, and network protocols. You can find ports that Trojans use to send reports.
