11 best antivirus software with offline updates and how to use them

Ivan Jenic
by Ivan Jenic
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antivirus offline updates

Today, we will be discussing some antivirus with offline updates.

Antivirus signatures need to be up to date in order to prevent or remove threats easily. However, most antivirus companies provide offline virus definition signatures so it can easily be download from any computer and then manually install the updates on system or device with a limited or no internet connection at all.

In this post, we have compiled the list of the best offline antivirus software’s with offline update. Most of the software are easy to install; hence, you can download and update whenever necessary.

Best antivirus with offline updates


Bitdefender Total Security (recommended)

antivirus with offline updateThis is the Best Value for Windows PC Protection and it comes with different programs for PCs and Android mobile devices. It is very compatible with the Windows OS. This security software protects against malware on various devices and it is also very good for slow computers.

Bitdefender updates its offline definition files once in every week, usually on a Friday. The update file is a setup installer; hence, run the installer file to install the updates. Ensure you get the correct 32-bit or 64-bit version for the operating system Bitdefender software is installed on.


Avira Antivirus software (suggested)

antivirus with offline updateAnother ideal antivirus with offline update is Avira Antivirus. This free antivirus software is user friendly antivirus program and efficient for every computer user. However, it is ideal for personal use.

If you intend to download the update file, you need to download a tool called the Fusebundle Generator. The latest signatures will be downloaded and then packed into vdf_fusebundle.zip in the Install folder.

To import the file into the Avira program, go to the Update menu, then click on manual update and locate the Zip file. On the download page, it would find a helpful slideshow.


Avast Free Antivirus software

antivirus with offline updateFirst of all, Avast antivirus software is ideal for PCs and other devices. It offers great protection against online threats and very good for slow computers. Avast is compatible with the Windows OS. It supports offline update.

In addition, the Avast VPS Definitions file will update versions 5-8 of any Avast product with a separate download for the older v4.

However, Avast Free Antivirus still remains the best option for users who don’t want to pay for using software. It works offline and offers great protection for your PC which makes it difficult to feel the occasional pop-ups.

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  • ALSO READ: 5 best offline antivirus to secure your computer in 2018

Kaspersky Internet Security

antivirus with offline updateKaspersky Internet Security is very good and compatible with the Windows OS. It has everything you would need in a suite and its components are very effective.  This security software has a strong firewall which can give your system maximum protection against unknown connections. It has an anti-malware security suitable to detect viruses before they infect your PC.

To update this software offline, download the zip file for the particular kaspersky product you have. After extracting the zip, run the updater.bat file while waiting for definitions to download. After downloading the definitions, go to your software settings and update sources manually.


AVG Ultimate

antivirus with offline updateAVG Internet Security software is an all in one package. It is very compatible with the Windows OS and can effectively work offline.

AVG has different update files for the free antivirus and their paid products. Download the Bin file, open the AVG main program, click on the options menu, and then update from Directory. After that, check for the bin file in the requester dialog.

On the download page, there are module files which can also update the AVG scanning engine or all of the components of the program while offline.


ClamWin Free Antivirus Software

antivirus with offline updateAnother antivirus software which can be updated offline is ClamWin. In addition, it is compatible with the Windows OS. ClamWin antivirus contains two definition files which can be downloaded. The daily.cvd file is frequently updated; unlike the main.cvd file.

Download the daily file, and then put it in the default folder of ‘’C:/Documents and Settings/All Users/.clamwin/db’’ for Windows OS.

Download ClamWin


Comodo Antivirus

comodo antivirus

This is certainly one of the best free antivirus programs available. It has a proprietary Defense+ technology that usually assumes an unknown file is a potential threat which makes it almost 100% effective. A lot of antivirus programs assume unknown files are safe and only get concerned about files that have proven to be a problem.

Always, check the Summary date for the last update. If you want to update Comodo, it is ideal to boot your PC in safe mode before you proceed. However, the Base.cav file should be copied to C:/Program files/Comodo/Comodo internet security/scanners.

Download Comodo Antivirus


F-Secure Safe

antivirus with offline updateThis security software is the best for browser protection and also has one of the best antiviruses for Windows. It is compatible with Window OS. It can protect your devices from ransomware, Trojans and viruses and keeps all banking connection secured.

F-secure download page contains definition downloads for Windows and a rescue CD update. Hence, download the fsdbupdate9.exe which is under the ‘’manual update using fsdbupdate: Windows’’ heading. After downloading it, run the executable file to update spyware, antivirus, spam and parental control definitions.

Download F-Secure


Clam Antivirus (ClamAV) software

antivirus with offline updateClamAV is a free cross-platform and open-source software which effectively updates offline. This Antivirus software can easily detect different types of malicious software, including viruses. It is mostly used on mail servers as a server-side email virus scanner.

Clam antivirus contains two definition files you can download, although the main.cvd is updated far less frequently than the daily.cvd, which is a more important download. Download the daily file, and then put it in the default folder of ‘’C:/Documents and Settings/All Users/.clamwin/db’’ for Windows OS.

Download ClamAV


McAfee Antivirus Plus

antivirus with offline updateMcAfee is amongst the best internet security software for Windows OS. Operating system: Windows 10, 8.1, 8 and 7.  It enables offline update. To update offline, simply download the DAT executable file from the website, run it and follow the instructions written on the screen.

Download McAfee


Trend Micro Maximum Security

antivirus with offline updateThis security software is the best choice for families who need to protect different types of devices because it’s compatible with Windows OS. It enables offline update.

On the download page, there are several pattern files displayed, however, the consumer pattern at the top most is all that is required to update your antivirus definitions.Download the file, and then unzip to ‘’C: /Program Files/Trend Micro/Internet Security’’. After that, restart your computer to recognize new file.

Download TrendMicro

In conclusion, you can use any of the programs we mentioned above. Hence, you can download the update signature and run the update. Do share with us any Antivirus with offline update which we failed to mention by commenting below.

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