NANO Antivirus for Windows / Windows Server

NANO Antivirus is a free version of an antivirus program with basic protection against all types of threats in real time using signature detection, cloud technologies and heuristic analysis.

Developer:NANO Security (Russia)
License:Free (personal use)
Systems:Windows / Windows Server
Interface:Russian English
Size:9.8 MB (Online install)

What's new

New in version (04/01/2021)

  • Improved detection of malicious scripts.
  • The stability of the complex has been increased.

System requirements

Minimum requirements *

  • Operating system: Windows 7 or higher.
  • Processor: 2 GHz or higher, supporting SSE2 instructions.
  • RAM: at least 2 GB.
  • Disk space: at least 2 GB of free space on the system drive.
  • Internet connection.

Recommended Requirements

  • Operating system: Windows 10 / Windows Server 2016 and above.
  • Processor: at least 3 GHz, supporting SSE2 instructions.
  • RAM: at least 4 GB.
  • Disk space: at least 2 GB of free space on the system drive.
  • Internet connection.

Operating Systems

  • Microsoft Windows 10 (32-bit and 64-bit).
  • Microsoft Windows 8.1 (32-bit and 64-bit).
  • Microsoft Windows 8 (32-bit and 64-bit).
  • Microsoft Windows 7 (32-bit and 64-bit).
  • Microsoft Windows Server 2008 R2 or later (32-bit and 64-bit).

* Note: The developers do not guarantee the correct operation of NANO Antivirus / NANO Antivirus Pro if your PC does not meet the specified minimum requirements.

Attention: Administrator rights are required to install the program.

Antivirus Details

NANO Antivirus is a new antivirus program, the development of which took into account the basic requirements: high speed, efficiency and ease of use, the ability to choose functionality.

The free version of the antivirus in real time provides reliable protection for your computer from all types of malware using modern antivirus technologies.

Main technologies of NANO Antivirus

  • The anti-virus complex contains the most advanced developments in the field of protection. Thanks to this, NANO Anti-Virus has a number of advantages: it works faster, unlike most similar programs, and guarantees significant effectiveness in providing protection. 
  • Deep emulation technologies provide efficiency in finding and treating complex encrypted and polymorphic viruses. Most other technologies are not always capable of providing this reliability. 
  • Powerful support has been created for the tools for unpacking and working with archives, which makes it possible to identify malicious objects processed by various archivers (packers), and thereby provide protection against re-infection. 
  • Intelligent mechanism for using computer resources during scanning and updating. Powerful computers are more actively using their capabilities to speed up their work.

Version comparison

Features / VersionsFree of chargePro
System protection in real time
Protection against all types of threats
Possibility of offline updates
Game mode support
Simultaneous work of several users
Extended technical support
Use in commercial organizations

Main features of NANO Antivirus

Detection of all types of malware

NANO Antivirus provides protection against all types of malware: banking Trojans, ransomware, screen blockers, potentially unwanted programs, adware, spyware, etc. 

File antivirus

File anti-virus scans every file accessed by a user or an operating system for threats in real time. If, as a result of the scan, a file is recognized as suspicious or malicious, it is immediately blocked.

Internet protection

All files downloaded from the Internet are scanned "on the fly", and if a threat is detected, they are immediately blocked.

High speed of work

NANO Anti-Virus is based on a modern high-performance proprietary kernel. To speed up the work, the antivirus can use all the advanced features of multi-core systems. This allows you to speed up all tasks as quickly as possible without slowing down your computer and providing reliable protection.

Cloud protection technologies

NANO Anti-Virus uses modern cloud technologies that allow you to dynamically compare suspicious files with samples from samples constantly updated in real time on the program's servers.

Regular update every 4 hours

Virus database updates are released regularly with high frequency, providing immediate protection against the latest threats.

Incremental update mode

An incremental update implies that during the update process the updated databases are not downloaded each time in full, but only the information that the user currently lacks about the changed data is transferred. This is the type of update that NANO Anti-Virus provides, allowing you to significantly reduce the update time and the amount of data received.

Processing all archive formats

NANO Anti-Virus supports all known formats of archives and packers, preventing any threats from entering the system.

Heuristic analysis

The heuristic analysis function is designed to identify the latest malicious files that have not yet been detected by the virus laboratory and have not been entered into the database.

Malware treatment

NANO Anti-Virus has the functionality of curing malicious programs that have previously entered the system. This allows you to restore your computer's performance and user data affected by the infection.

Intuitive interface

The convenient user interface allows even an unprepared user to easily understand how to work with the program. If necessary, you can refer to the antivirus help system.

Automatic check of removable media

With the automatic scan option enabled, any removable media connected to the PC is immediately scanned for malware.

Optimization of the PC mode

Low resource consumption is ensured on machines with initial configuration. And on powerful multi-core processors, the antivirus uses a special interaction scheme, allowing you to maximize the speed of all tasks.

Integration with Windows

NANO Antivirus fully integrates with all versions of Windows OS specified in the system requirements of the program. 

Express scan

With express scanning, only the most vulnerable areas are checked, quickly detecting any signs of active infection.

Download NANO Antivirus

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