Virus or malware are the biggest threat today for business users as well as for home users.
Once your system get infected it get very hard to install or run anything in the system.
So in this situation we require a stand alone portable virus scanner.
Aportable virus scannerutility can be run without installation, even it can be run from the USB Media.
All these tools are stand alone (portable) virus scanners.
So it’s possible for you to easily run them from the USB stick.
Below comparison table can help you to instantly review all the tools.
We have reevaluate the software in 2021 with latest updated version and update this list accordingly.
If you are unable to boot up the windows properly.
Check out theseBest Bootable Antivirus Softwareto Rescue an infected computer.
Portable virus removal tools
Below are the best Free portable virus removal tools or offline scanners.
All these tools can be run through USB stick.
Some of these tools also provide command line support to run them through DOS.
These are useful when your severe infected PC denied to run any executable file.
Emsisoft Emergency Kit
Download Emsisoft Emergency Kit
Emsisoft is the perfect tool to rescue an infected PC.
It provide portable USB based scanner, which do not require any internet connection.
Can be run directly from the USB.
But in Free version you get a Powerful Malware Scanner to eliminate most of the threats deeply.
This can be run through a USB stick.
Emsisoft emergency kit supports both GUI and Command line.
It is ideal to rescue from a badly infected PC.
Downloaded and extract the emergency kit files and initiate the executable file.
So the definitions should never be more than 24 hours old when you download it from the website.
It does not require internet connection and can be run directly from USB.
After closing the program it automatically deletes all the temporary file generated by it.
In its latest 2020 release Kaspersky has also included a new feature named as System Analyzer.
It will collect the OS information and generate a report.
User can send this report to the virus analysts for further investigation.
This is a very simple tool and it does not have virus database update option.
So you require to download the tool again from the website to get the latest updated virus definition.
ClamWin Portable
Download ClamWin Portable
It is free and open source Antivirus.
And it have a good detection rate.
you’re able to use it offline directly from a USB stick.
Clamwin team updates its virus database regularly.
you should probably download the latest update virus definition from their website.
it provides a Graphical user interface and have the option to choose the folder or file to scan.
It does not provide command line interface.
4. eScan Antivirus toolkit
Download eScan Antivirus Toolkit
eScan by microworld also offer rescue toolkit.
It is also a portable standalone virus scanner.
it’s possible for you to use it from USB drive or CD without any installation.
It can detect and remove virus, malware, spyware from the system.
Its database is being updated every day to catch the latest possible threats.
No command line option is there in this tool but you could choose the drive or folder to scan.
In eScan it has an option to update the definition automatically.
It get expired automatically after 10 days of download to bring up the tool with the latest virus definition.
Microsoft updates this tool several times a day.
So always download the latest updated package.
Download the Safety Scanner version according to your system (32 bit or 64 bit).
It has 3 scan options quick scan, full scan and customized scan.
Vipre Rescue is an easy and handy virus scanner tool.
If windows is unstable and do not allow to install any software, then this tool is very effective.
There is no configuration option in it.
No choice of selecting folder or drive.
Just run and stay relaxed while it scan the system.
This tool only supports command line.
Why you should use a portable or USB offline virus scanner?
In this case the only hope is the portable offline antivirus scanner.
Neither they require an installation nor they require an internet connection.
you’re able to keep them in a Rescue disk for the emergency use.
Or you’re free to download these scanners from another computer and copy to a removable USB gear.
Then attach it to the infected PC and spin up the software directly from the USB.
And it’s possible for you to scan with anOnline Virus Scanneror a Second opinion scanner.
As a result it will clean the system more deeply for any punch in of latest malware.
In the end we recommend everyone to install a goodpaid Antivirus softwarein the system.
If you are unable to afford a paid antivirus, thenfree antivirus softwareis better then nothing.
Still some people take this very lightly and does nothing to protect their computer.
Computer ignored with minor infection can become severe, which is hard to clean.
furthermore an infected computer can give way to enter serious ransomware.
It can end up with data loss or money loss.
FAQs:
These USB antiviruses can be run via USB without an internet connection.
Simply internet is not required for these scanners.
Portable or stand alone software dont require any installation.
They can be run just by running the executable file.
They named as portable because they can be run directly from without installing anything.
These are very useful when infected pc blocks to install anything in the pc.
Yes, all of the tools mentioned here fully support Windows 10.
Best Business Antivirus Software
Comparison of best antivirus software
