The Best Free Portable Antivirus Software, Firewall Apps and Security Tools for USB
Sophos Anti-Rootkit is a portable tool that can be used to discover and remove any rootkit that may reside in a computers running processes, registry or on a local hard drive. A rootkit also known as (Root Kit) is basically a set of tools that are used to conceal a malicious program from the computer user. This makes for a great rootkit removal utility and can be run directly from any portable USB device.
The Emsisoft Emergency Kit portable is a very powerful and handy free scanner to bring with you on a USB stick or thumb drive. It can be used to detect and remove trojans, spyware, adware, worms, dialers, keyloggers, and other malign programs. This tool comes with features such as a-squared free, command line scanner, anti-malware, anti-dialer, HiJackFree, and Mamutu.
Rizone Virus Cleaner is a Freeware Portable Virus & Malware Scanner + Cleaner. It can be used to help detect and remove threats that may have been missed by your current Antivirus or Antimalware solution.
Avira PC Cleaner is a Free Malware Scanner created by Avira. This portable anti-malware software tool can be stored and run entirely from a USB drive. This PC cleaner works to help detect and remove malware infections other Anti Malware software might miss. Additionally, you can use it alongside your existing anti-malware software. It will run on most Microsoft Windows XP and later Operating Systems.
AMPAWsmasherX is a free, portable autorun antivirus, anti-malware, and registry protection tool designed to keep your computer safe from malicious threats like autorun viruses, trojans, and worms. By focusing specifically on autorun-related vulnerabilities, this lightweight tool is an excellent addition to your security toolkit. The program prevents unauthorized changes to your Windows registry and blocks malicious autorun.inf files before they can infect your system.
ClamWin Portable Antivirus Software: No computer should be without good antivirus software, and free & open-source options are even better. A great portable antivirus solution is ClamWin Portable. Much like HouseCall Portable, this free open source virus detection software can run standalone from a USB flash drive or portable hard drive allowing you to take it with you and scan for viruses on any Windows computer while on the move.
Multi Virus Cleaner is a Free AntiVirus tool that can be used to detect and remove harmful viruses. It can detect over 6,000 common viruses, trojans, worms and dialers, including variations of Bagle, MyDoom and Sober viruses. My Virus Cleaner is typically used by system administrators and users alike to help clean and recover compromised or infected systems.
HouseCall is a Free Portable Antivirus Software developed by Trend Micro. It provides reliable detection and removal of viruses, Trojans, worms, and malware that may reside on your PC. As a standalone antivirus tool, it installs temporary files during launch and removes them upon exit. It works without interfering with any other antivirus or antimalware software installed on your computer.
Kaspersky Virus Removal Tool is a free stand alone antivirus toolkit. Although it does not provide real time protection from viruses and can not stop a threat from entering your system, it can be used scan for, disinfect, and remove existing viruses or infections that may currently reside on your PC.
G Data FakeAVCleaner is a Free Portable System Tool Removal software. It can be used to detect and remove most System Tool types of rogue Antivirus Software aka; Scareware. Fake Antivirus System Tool Software is typically installed by the user after being notified by a pop up claiming that their PC has been infected.
McAfee Stinger is a free portable virus removal tool that can be stored and run entirely from a removable USB device. This utility is often used by technical users and computer administrators to help deal with and repair infected computer systems. AVERT Stinger utilizes next generation scan engine technology, including process scanning, digitally signed DAT files, and scan performance optimizations.
DrWEB CureIt is free antivirus software. This stand alone utility can be used to quickly scan drives for viruses, and if necessary cure an infected computer. It can detect and remove most of the common threats such as worms, E-mail viruses, file viruses, stealth viruses, polymorphic viruses, boiless viruses, keyloggers, dialers, adware, hacktools, backdoors, trojans and more.
Avast Virus Cleaner was a Fee virus and worm removal tool that could even be installed to and launched directly from a portable USB device. It was a nice tool to have available for those extreme situations when you encounter an already infected computer. For many common infections a virus or worm can be removed quite easily using this Portable Antivirus tool.
Norton Security Scan is a Free Anti Virus Scanner made by Symantec. This Virus Scanner can be used to ensure your PC is protected from common threats. It does so by scanning your computer to identify any viruses, worms, spyware, adware or trojans that reside on your PC. Detected infections could then be removed to disinfect your PC.
Microsoft Safety Scanner is a Free Antivirus, Malware, and Spyware Scanner. This stand-alone tool can perform on demand viruses, spyware, and malicious software scanning. It should be used in conjunction with an existing Antivirus solution. A caveat is that it expires every 10 days, and needs to be re-downloaded to keep up with the latest anti-malware definitions.
Antivir Portable Antivirus removal tool. This tool can be a great (post infection) asset if you are experiencing the damaging effects of a virus infection. In addition, the Antivir is great to have on hand in case you encounter a computer with outdated or even without Antivirus protection. The Free Portable Virus Removal Tool or Portable Virus Scanner can be used to eliminate a major set of distinct threats.
AVG Rescue CD (for USB Sticks) is a portable version of AVG Anti-Virus supplied through Linux distribution. Created by AVG, the USB flash drive version offers a stand alone bootable AntiVirus, AntiSpyware, and System Recovery Solution. The AVG Rescue USB enables you to scan for and fully remove infections.
Remove Fake Antivirus is a Free and Portable utility created by Olzen of Free of Virus. The tool can be used to remove some of the most common Rogue Antivirus Software from your PC. There are many fake Antivirus programs in circulation that contain viruses, trojans and malware. Some even attempt to lure the end user into purchasing a Fake AntiVirus Removal product.
The Malicious Software Removal Tool by Microsoft ®, is a stand alone tool that can be used to check a PC for infections from malicious software like Blaster, Sasser, and Mydoom. The Malicious Software Remover could come in handy on a USB Flash Drive if you tend to work from multiple computers. The utility will automatically attempt to remove any infections it finds. Microsoft releases updated versions of this tool on the second Tuesday of each month.
RogueRemover is a FREE tool that can be used to easily remove rogue antispyware, antivirus, and disk cleaning applications. Rogue applications can contain malware, give erroneous scan results or provide false information about the safety of your computer. This tool will completely remove Rogue applications such as SpyAxe, VirusBlast, VirusBursters, WinAntiSpyware and WinAntiVirus. This Rogue Removal tool requires roughly 1.7MB of free space for stand alone portable installation.
AppRemover is a Portable Application that can quickly and easily completely remove Antivirus and AntiSpyware programs and the traces they leave behind. It can also remove Antivirus and AntiSpyware software that previously failed to fully uninstall. Very useful tool when you need to fully remove all other security software before attempting to install a new Antivirus or AntiSpyware software product.
SterJo Portable Firewall (now called NetStalker) is network protection software created by SterJo. This free version of this USB Firewall can be used to monitor access to your network, and close unwanted connections. Tabbed Activity, Policy, Log, and History views are available to help easily monitor and manage network activity. Best of all, this Firewall can be stored and run from a Flash Drive or other Portable USB device.
