Automatically detects and eliminates all known Viruses and Malware

Comodo Antivirus

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Comodo Antivirus

  -  5.4 MB  -  Demo
  • Latest Version

    Comodo Antivirus LATEST

  • Review by

    Michael Reynolds

  • Operating System

    Windows XP / Vista / Windows 7 / Windows 8 / Windows 10

  • User Rating

    Click to vote
  • Author / Product

    Comodo Group, Inc / External Link

  • Filename


Dozens of antivirus programs exist, with varying prices and different levels of effectiveness. Comodo Antivirus offers total PC protection for free, not some stripped-down version of a paid product. You can easily scan any drive or file, get in-depth reports on viral activity and detect suspicious files, with Comodo's user-friendly interface.

Comodo Free Antivirus has been built with intelligence: it recognizes typical viral behavior. Antivirus, upon detecting a suspicious file that could be a virus, will immediately place that file in "Antivirus Jail": the file is blocked, awaiting trial. If it's a viral invader, delete it.

Comodo Free Antivirus also includes a mechanism for users to submit any files that look suspicious to the Safe List and get immediate feedback on possibly viral files from security experts and other PC users.

Comodo Antivirus is an advanced security solution developed by Comodo Security Solutions Inc., a renowned cybersecurity company. This software is designed to detect, block, and remove various types of malware, including viruses, spyware, ransomware, and rootkits. It employs a multi-layered defense mechanism, combining signature-based scanning, behavioral analysis, and cloud-based scanning to provide comprehensive protection to your computer.

5 key secrets why the Antivirus is different:
  • Proactive "intelligent" protection intercepts unknown threats
  • Automatic updates for the most current virus protection
  • Easy-to-use interface lets you install and forget: no annoying pop-ups or false alarms
  • Isolation of all suspicious files eliminates the chance of PC contamination
  • Defense + technology constantly protects you
  • Real-Time Scanning: It constantly monitors your system in real-time, scanning files and processes for any suspicious activity or malware presence.
  • On-Demand Scanning: You can initiate manual scans of specific files, folders, or your entire system whenever you desire.
  • Malware Removal: In the event of an infection, Comodo Antivirus helps you remove malware effectively, ensuring your system is clean and secure.
  • Sandbox Technology: it offers a unique sandbox feature, allowing you to run suspicious programs in a controlled environment to prevent any potential harm to your system.
  • Firewall Protection: The software includes a powerful firewall that filters incoming and outgoing network traffic, protecting your computer from unauthorized access.
  • Auto-Sandboxing: The program automatically sandboxes unknown files or applications, isolating them from the rest of your system until their safety is verified.
  • Secure Shopping: It provides a secure virtual environment for online shopping, shielding your financial transactions from keyloggers and other threats.
  • Cloud-Based Scanning: The software leverages cloud technology to rapidly identify and block emerging threats, providing up-to-date protection against the latest malware.
  • Game Mode: It offers a game mode that ensures uninterrupted gaming sessions by suppressing non-critical notifications and background processes.
  • TrustConnect: It offers a VPN service called TrustConnect, enabling secure browsing and protecting your privacy while connected to public Wi-Fi networks.
How to Use
  • Download and install the app from the official website or FileHorse.
  • Launch the application and follow the setup wizard to configure the initial settings.
  • The real-time scanning feature is automatically enabled upon installation.
  • You can perform manual scans by selecting the desired scan type (quick, full, or custom) and target files or folders.
  • Adjust advanced settings, such as scheduled scans, firewall rules, and auto-sandboxing, according to your preferences.
  • Take advantage of additional features like secure shopping and TrustConnect VPN to enhance your online security and privacy.
How Does Antivirus Software Work?

Antivirus software operates through various scanning and detection processes to protect your computer from malware. While specific detection is a common method, modern antivirus programs, including Comodo Antivirus, employ additional techniques such as heuristic detection and containment to enhance security.

Specific detection involves scanning files for specific characteristics that match known malware signatures. This process quickly compares file attributes against a predefined list of known malware signatures. However, cybercriminals can easily evade specific detection by making slight modifications to the malware's code, rendering it undetectable.

To address this limitation, Comodo Free Antivirus utilizes heuristic detection. This method involves analyzing the code of a file to determine if it exhibits behavior or contains code commonly associated with malware. Instead of relying solely on predefined signatures, heuristic detection looks for virus-like attributes and behaviors, enabling the antivirus software to identify potentially malicious files even if they do not match specific signatures on the virus blacklist.

When suspicious code or behavior is detected, it takes proactive measures. It either deletes the file or recommends it for containment. Containment involves running the file in a secure sandbox environment, isolated from the rest of your operating system. This sandbox environment prevents any potential harm the file may cause, allowing the antivirus program to analyze its behavior further and determine its threat level. By employing containment, it ensures that even unknown malware cannot compromise your computer.

In summary, while specific detection compares file characteristics against known malware signatures, Comodo Antivirus goes beyond this approach. It utilizes heuristic detection to analyze file code for virus-like attributes and behaviors, allowing it to identify potential threats that may evade specific detection. Additionally, the antivirus app employs containment by running suspicious files in a sandbox environment, preventing them from harming your system while further analysis takes place. These multiple layers of defense enhance the overall security provided by Comodo Antivirus.


Is Comodo Antivirus compatible with Windows 11/10?
Yes, Comodo Antivirus is compatible with various versions of Windows, including Windows 11, 10, 8, or 7.

Does Comodo Antivirus offer real-time protection?
Yes, it provides real-time scanning and protection, constantly monitoring your system for malware threats.

Can I use Comodo Antivirus alongside another antivirus software?
It is generally not recommended to run multiple antivirus programs simultaneously as they may conflict with each other. However, it can be used alongside other Comodo security products for enhanced protection.

Does Comodo Antivirus slow down system performance?
The app is designed to minimize system impact and operates efficiently in the background. However, in rare cases, system performance may be affected during resource-intensive scans.


There are several alternatives to Comodo Antivirus available in the market, including Malwarebytes, AVG AntiVirus Free, Avast Free Antivirus, or Avira Free Security.


Comodo Antivirus offers a free version that provides essential security features. For additional features and enhanced protection, Comodo offers a premium version of Comodo Internet Security, available on a subscription basis. The pricing details can be found on their official website.

Comodo Antivirus and Firewall come bundled together for only $29.99/year.

System Requirements
  • Operating System: Windows 11, 10, 8, 7, Vista (32-bit or 64-bit)
  • Processor: 1 GHz or faster
  • RAM: 1 GB (32-bit) or 2 GB (64-bit)
  • Disk Space: 1.5 GB free space
  • Robust malware detection and removal capabilities.
  • Multi-layered defense mechanism for comprehensive protection.
  • Sandbox technology to isolate potentially malicious files.
  • Secure shopping and VPN services for enhanced online security.
  • Game mode for an uninterrupted gaming experience.
  • Regular updates and cloud-based scanning for up-to-date protection.
  • Some advanced features may require additional configuration for optimal use.
  • The free version may lack certain advanced features available in premium versions.
  • In rare cases, system performance may be slightly affected during resource-intensive scans.

Comodo Antivirus is feature-rich security software that effectively protects your computer from various online threats. Its multi-layered defense mechanism, sandboxing capabilities, and real-time scanning provide comprehensive security against malware.

With additional features like secure shopping and VPN services, Comodo Antivirus ensures your online activities remain private and protected. Although some advanced features may require further configuration, it offers a solid security solution for users seeking robust protection for their digital realm.

Also Available: Comodo Antivirus for Mac

  • Comodo Antivirus Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

Comodo Antivirus
- Change log not available for this version

Comodo Antivirus
- Change log not available for this version

Comodo Antivirus
- Cis going to use reduced(light) database in default. Option added to updates section who wants to change database to regular one

- Cloud backup
- File submission problems

- Ipv4 loopback filtering remove problem
- No welcome screen at startup
- File list export still saves when canceled
- Issue in switching configurations
- Display wrong scan priority
- Desktop shortcut doesn't change after product upgraded to AV Advanced
- Translation of "Show Files" added
- Scan exclusions' translation added
- Malwares detected by manual scan removed instead of quarantined
- Web filtering doesn't accept valid string (e.g. "**")
- Tray icon status problem
- A file will be trusted which blocked by Viruscope and unblocked by user
- Product name is not updated in programs & features after activating new license key
- GUI window rendering bug
- False unrecognized files after running "Autorun Analyzer" from KillSwitch
- Wrong activation of warranty log
- Option "Go to folder" not available for Firewall and Hips rules
- Unrecognized non-executables file is not displayed in File List when it is opened by widget
- Network zones ip copy&paste issue
- Microsoft Silverlight alert in Run Virtual Desktop
- "Ignore once" action in web filtering will be logged

Comodo Antivirus
- Migrated virtually all HTTP URLs to HTTPs.
- Folder Protection

- Upgrade over install doesn't work
- Https website filtering no longer works on Chrome 78
- Chrome crashes in Containment
- CIS creates error while unplugging USB
- Uninstallation & Installation failed
- Uninstallation of Comodo KillSwitch and Cleaning Essentials
- Freezes in Win10 build 1909/1903

Comodo Antivirus
- Preventing unsigned DLLs from loading into CIS processes

- Due to popular demand added the ability to delete vendor rated by Comodo from Vendor List
- Added Czech language translations
- Add 'Windows Operating System' application to 'Windows System Applications' file group
- An alert is now shown that reboot is required if Clipboard Protection settings are changed

Comodo Antivirus
- Added support of Chrome 76 for web-filtering

- Vulnerabilities reported by Tenable
- Crashes of cavwp.exe
- Please note, this release has been rolled out for new users
- We shall be rolling out updates for existing users over the next few weeks

Comodo Antivirus
- This version will no longer updated on Windows XP and Windows Vista essentially making it the last supported version for those OSes. This is due to SHA1 deprecation. Future versions will also have a minimum system requirement on Windows 7 of Service Pack 1

- Dumps of cmdinstall appears after installation on Windows 7
- WMI errors are present in Windows Event Log
- Number of unrecognized files in the CIS widget is not recalculated after system reboot

Comodo Antivirus
- Added ability to remove vendors rated by Comodo from Vendor List

- The issue where system becomes unresponsive with specific viruscope settings
- The issue where non PE files cannot be submitted by 'Submit Files'
- The issue where user rating was not applied in 'Vendor List' for vendor with name starts with space

Comodo Antivirus

New for CIS 2019:
- Full Microsoft Redstone 5 Support
- Long path and case sensitive filenames support
- ELAM protection
- Extended Containment Rule "Created By" criteria with "Rating" attribute
- Extended sanbox rules with a vendor as a criteria
- Extended Vendor List with User rating
- "Heuristic Command-Line Analysis" and "Embedded Code Detection" for scanning and monitoring of auto-run entries
- Powershell_ise analysis support
- Option to automatically scan plugged-in devices
- Simplified installation
- First network zone detection is performed in background
- Widget is hidden by default but can be changed with an install setting available through the Options button
- Updated AV engine
- Overall performance and stability improvements
- WDSC integration performance and stability improvements

- Fixed extended OS boot time in some cases
- Fixed defect where full scan fails in some rare cases
- Unrecognized file does not launch in Sandbox second time after first viruscope detection
- Defect where 'Cmdagent.exe' consumes 40-50 % CPU constantly in some cases
- Rules for Website Filtering can't be added if all rules was deleted
- Uninstall of CIS Premium is periodically failed
- cmdagent.exe unexpectedly terminates in some rare cases
- Defect where cmdagent.exe unexpectedly terminates after install CIS with Secure Shopping on XP
- Sandboxed .bat scripts are displayed as cmd in active processes list
- Containment resetting process takes a long time in some cases
- Not able to play videos in Facebook inside sandboxed Opera
- BSOD when playing Freeridesgames games
- This release has be rolled out for new users. We shall be rolling out updates for existing users over the next few weeks

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