Malware and spyware removal tools can provide a second opinion when a Windows computer may be infected, help remove unwanted software, or support troubleshooting when normal security software is not enough. This category includes on-demand scanners, adware cleaners, emergency tools, and older utilities. Availability and detection capabilities change over time, so check the vendor’s current release information before downloading or relying on any entry.
On-Demand Malware Scanning: Microsoft Safety Scanner is an on-demand scanning tool whose downloaded copy is time-limited and must be refreshed for current definitions. Norton Power Eraser is listed as an aggressive second-opinion scanner; review detections carefully before removing files or making system changes.
Remove Adware and Unwanted Programs: Malwarebytes AdwCleaner targets adware and potentially unwanted programs. Emsisoft Emergency Kit is listed as a portable emergency scanning toolkit. Check current vendor requirements, definitions, and download sources.
Bootable and Legacy Rescue Tools: AVG Rescue CD is a legacy bootable rescue entry and may no longer be suitable for current systems. Older tools such as Spybot Search & Destroy Portable, AVZ AntiViral Toolkit, and HijackThis may require expert interpretation or may have limited current support.
Safe Malware Removal Practices: Keep your operating system and primary security software updated, obtain scanners from their official vendors, and back up important files before making major repairs. Quarantine or remove detections only after checking what they are; aggressive cleanup tools can affect legitimate software or system settings. If a device handles sensitive work or remains compromised, consider professional incident response or a clean system reinstall.
Norton Power Eraser is a free malware removal tool. You can use this tool to detect and remove deeply embedded Malware or Crimeware, as well as other threats your Antivirus Software Application might miss. Using their most aggressive scanning technology, it detects threats very quickly.
AdwCleaner is a Free Adware Cleaner or Adware Remover created by Malwarebytes. This portable freeware tool is designed to detect and remove adware, unwanted toolbars, browser hijackers, and other Potentially Unwanted Programs (PUPs). Users can easily select their language from a drop-down list, which instantly translates scanning and detection information. Additionally, a historical log file is created each time the tool is run, ensuring that you can track all detected threats.
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.
Spybot Search and Destroy aka: Spybot SD, is a free security tool created by safer-networking that can be used to detect and remove Spyware and Malware, and correct registry issues. Spybot Search and Destroy Portable is a portable wrapper created by portable apps that enables you to carry this anti-spyware, anti-malware tool with you on a USB flash drive.
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.
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.
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.
Glary Utilities is a free computer maintenance utility designed to help keep your PC clean, optimized, and running smoothly. Whether you're dealing with a cluttered registry, broken shortcuts, or temporary files slowing down your machine, it offers a comprehensive suite of tools to address these issues and more. It's an all-in-one solution for improving performance, enhancing security, and maintaining the overall health of your Windows system.
AVZ AntiViral Toolkit is a portable anti-malware and anti-spyware utility developed by Oleg Zaytsev. Designed to detect and remove adware, spyware, network worms, trojan horses (Trojan, TrojanDownloader, TrojanSpy), and dialers, AVZ also implements specialized algorithms to detect keyloggers, block rootkits, and scan for suspicious system activity. Although originally a standalone toolkit, Oleg later joined Kaspersky, and some of AVZ’s technology is now integrated into Kaspersky products.
HijackThis is a free utility that can be used to detect settings that may have been changed by spyware or malware. This portable security software is available as a stand alone executable, making for a great portable anti-spyware and malware detection tool to add to your collection.
CWShredder is a portable anti-spyware tool from Trend Micro designed to target the CoolWebSearch (CWS) family of spyware. CWS infections are notorious browser hijackers that can change your homepage, add unwanted bookmarks, create desktop shortcuts, slow down your PC, and even cause system instability. CWShredder is a free and portable solution that you can carry on a USB drive to remove CoolWebSearch infections quickly and efficiently.
a-squared HiJackFree, now called Emergency Kit is a Malware Scanner and informative system analysis tool that advanced users and administrators can use to help detect and then remove all types of Malware; 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.
Dr.Web CureIt is a free portable antivirus software tool that can be used to quickly scan a computer for viruses and other malware. The DrWeb standalone security utility helps detect and remove many common threats including worms, email viruses, file infectors, stealth viruses, polymorphic viruses, keyloggers, dialers, adware, hack tools, backdoors, and trojans.
