Portable Antivirus

1) ClamWin Portable
ClamWin Portable is the popular ClamWin antivirus packaged as a portable app, so you can take your antivirus with you to scan files on the go. You can place it on your USB flash drive, iPod, portable hard drive or a CD and use it on any computer, without leaving any personal information behind.

Features

ClamWin Portable Screenshot ClamWin is a Free Antivirus for Microsoft Windows. It provides a graphical user interface to the Clam AntiVirus engine. It features:

* High detection rates for viruses and spyware
* Regular virus database updates. ClamAV team regularly updates virus databases to include a new virus/variant immediately after it appears
* Standalone Virus Scanner

Please note that ClamWin Free Antivirus does not include an on-access real-time scanner, that is, you need to manually scan a file in order to detect a virus or spyware. Also, ClamWin Portable has scheduled scans and updates disabled as they are not used in a portable scenario.

See Real-Time protection at Spyware Terminator with AntiVirus.
Real-time Protection
Real-time Protection constantly guards your system and ensures that spyware programs can be intercepted and disabled before they are installed, helping to prevent potential security breaches before a spyware program can run. It uses the antivirus application ClamAV freeware to prevent virus infection. (To include ClamAV antivirus, HIPS must be selected)
HIPS(Host Intrusion Prevention System) - Spyware Terminator HIPS protects user’s computer from running unknown applications that can infiltrate your system through security holes within the system or any used application. During the Full Scan, Spyware Terminator creates a database of executable files of local disks. When this database is created and the HIPS function is active, any attempt of an unknown application or library to install is analyzed by the Real-time Shield. If the Real-time Shield cannot determine that it is a safe application, it displays a warning.

Download Details
SourceForge.net

0.94.1 Rev 2
* File size: 6MB (download), ~25Mb (installed with definitions)
* Publisher: PortableApps.com (John T. Haller) and the ClamWin team
* Date updated: November 10, 2008
* System Requirements: Windows 98/Me/2000/XP/Vista/2003
* License: Free / Open Source (GPL)
* Source Code: launcher source (included), ClamWin source
* MD5 Hash (for the geeks): 08e799c85b2e3fab44dcabb11b9c882c
* Downloads: 4,586,000


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2) Portable Antivirus 1.6.392 Beta
Portable Antivirus is a small antivirus build to remove certain variant of virus, trojan and spyware from your computer. Portable Antivirus is free to distribute, free to scan and free to use.
License: Freeware
Size: 1024.0 KB
Author: Nur Mohammad Kamil

· Scan & remove an infected files from all fixed and removable drives or make your own choice.
· Smaller size and can be fit to your thumbdrive even also to your floppy disk.
· Automatic prompt for update if available.
· no additional external files required.
· Use less CPU and memory resource
· System process scanning and terminate immediately when virus is detected
· Give you 2 options for scanning - Always Delete and Report Only.
· Use HOT-KEY to control your Portable Antivirus without using mouse.
· Support drag and drop files to Portable Antivirus to scan instantly.

Requirements:

· Visual Basic Runtime
DOWNLOAD LOCATIONS
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3) Antivir - Portable Avira AntiVir Removal Tool
Authors Website: www.free-av.com

License: Freeware

Download: You can download the Free Portable Virus Remover HERE
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4) Microsoft Malicious Software Remover Tool

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.

Authors Website: microsoft.com/downloads

License: Freeware

Download: Download the Malicious Software Remover HERE
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5) Portable Norton Security Scan
Norton Security Scan is a Free Anti Virus Scanner made by Symantec. Norton Security Scan is typically used to ensure your PC is protected from common threats.
Authors Website: Norton Security Scan

Distributor: Norton

License: Freeware

How to make Norton Security Scan Portable:

1. Download Norton Security Scan. You can obtain it HERE or via Google Pack
2. Proceed to install Norton Security Scan
3. Once installed, copy the Norton Security Scan directory from C:\Program Files\ to your USB device
4. Click nss.exe from your Norton Security Scan folder on your USB device to launch the program

Note: This Antivirus tool does not provide Live Antivirus Protection. While it may identify Spyware, Adware, Tojans and Viruses and even remove Viruses.

*Norton Security Scan detects but does not remove Spyware or Adware.
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6)Multi Virus Cleaner

Multi Virus Cleaner is a Free 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.

Authors Website: viruskeeper.com/us/mvc.htm

License: Freeware

How to make Multi Virus Cleaner Portable:

1. Download Multi Virus Cleaner and extract setup.exe from the zip
2. Run setup.exe and install Multi Virus Cleaner on your Computer
3. Copy the C:\Program Files\AxBx\Multi Virus Cleaner 2008 folder to your Flash Drive
4. From the Multi Virus Cleaner 2008 folder, Click MVC.exe to launch the program

Note: you can uninstall Multi Virus Cleaner 2008 from your PC once you have copied the folder to your portable device.
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7) HiJackFree

a-squared HiJackFree is an informative system analysis tool that advanced users and administrators can use to help detect and then remove all types of HiJackers, Spyware, Adware, Trojans and Worms. It can be used to manage autoruns, processes and associated modules, control Browser Plugins, and view all DNS entries.
Authors Website: hijackfree.com/en

License: Freeware (For private use)

Download: Get HiJackFree HERE

Making HiJack Free run Portably:

1. Run the executable and set the install path to your USB device and click Next
2. Check the box that says Don't create a Start Menu folder and click Next
3. Ensure that create a desktop icon and create a quick launch icon boxes are not checked and click Next
4. Click Install to complete the installation
See also HijackThis
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8)Sophos Anti Rootkit - Portable Rootkit Removal Tool
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.
Authors Website: sophos.com/products/free-tools/sophos-anti-rootkit.html

License: Freeware

Download: Download it HERE

Notes: Launch the installer and install the application to any folder on your USB portable drive. Then click "sargui.exe" to run the program
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8) Dr.WEB CureIt - Stand Alone AntiVirus Utility
Dr.WEB CureIt is a FREE Portable AntiVirus and Portable AntiSpyware utility that has the ability 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. This application also supports multiple languages if detected via the operating system. Dr.WEB CureIt can be run directly from a portable device.
Authors Website: http://freedrweb.com

License: Freeware

Download: Get the standalone version HERE
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9) McAfee AVERT Stinger - Virus Removal and Cleaning Tool
McAfee a global leader in Antivirus solutions also has their own free AVERT Stinger portable virus removal tool that can easily be run from a portable USB device. This utility is typically used by users and administrators to help deal with and repair infected computer systems. Stinger utilizes next generation scan engine technology, including process scanning, digitally signed DAT files, and scan performance optimizations.
Authors Website: Avert Stinger Home Page

License: Free to use

Download: Grab the latest Stinger release from HERE
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10) Avast - Virus Cleaner and Worm Removal Tool
Avast Virus Cleaner is a FREE virus and worm removal tool that can be installed to and launched directly from a portable USB device. This is a nice tool to have available for those extreme situations when you might encounter an already infected computer. For many common infections a virus or worm can be removed quite easily using this Portable Antivirus tool. Avast has a solid reputation for outstanding antivirus software.
Authors Website: avast.com/eng/avast-virus-cleaner.html

License: Free to use

Download: Get the latest release from HERE


Related Article:
Malwarebytes Anti-Malware
PortableApps.com Platform

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