Best Anti-Spyware Software for Windows of 2025

Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. With Control D you can: block malicious threats, block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more), redirect traffic using transparent proxies and gain visibility on network events and usage patterns, with client level granularity. Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.

For IT professionals to stop ransomware, you need to do more than look for threats. ThreatLocker helps you reduce your surface areas of attack with policy-driven endpoint security and change the paradigm from only blocking known threats, to blocking everything that is not explicitly allowed. Combined with Ringfencing and additional controls, you enhance your Zero Trust protection and block attacks that live off the land. Discover today the ThreatLocker suite of Zero Trust endpoint security solutions: Allowlisting, Ringfencing, Elevation Control, Storage Control, Network Access Control, Unified Audit, ThreatLocker Ops, Community, Configuration Manager and Health Center. 

Prevents the most recent threats such as viruses, ransomware, spyware, and cryptolockers, while also safeguarding your computer from cryptocurrency mining malware that can hinder its performance. Provides immediate antivirus defense, effectively blocking harmful ransomware and cryptolockers. Additionally, it stops cryptomining malware from infiltrating your system, ensuring your PC operates at its optimal capacity. This comprehensive protection allows your device to function as intended, maintaining its speed and efficiency.

Unrecognized files are downloaded to one of your computers. A copy will be sent to Threat Labs experts to determine if it is safe. It checks webpages before they open in your web browser. To help you surf the internet with more confidence, it displays a safety rating in search engine results. Cloud-based proactive AI Detection and Real-Time Outbreak Detection provide better protection against the latest malware. Protects against online security threats such as spam, viruses, hackers, and malware Anti-Spyware protects you from spyware and adware which track personal information. Our Windows file server security keeps it private, secure, and out of hackers' reach. Advanced File Shredder securely deletes files in order to prevent unintended recovery. It scans your computer when you're not using it to ensure that it doesn't get in your way. It does all the work so that you and your employees can concentrate on your business without any costly delays or distractions.

You can have total security online. AVG Internet Security is an award-winning antivirus that offers customizable firewalls, remote access protection against hackers, as well as award-winning antivirus. AVG Internet Security protects you from viruses and malware, keeps emails safe, protects passwords and webcams from hackers, and allows you to shop and bank online with no worries. Advanced Antivirus scans your computer for viruses, ransomware and spyware. If suspicious software behavior is detected on your computer, Behavior shield will send alerts. AI Detection proactively detects malware samples to protect your computer from new threats. CyberCapture automatically uploads malware samples to our antivirus software for analysis. This prevents new threats. You can stay safe online by scanning downloads, emails, and links for potential threats. Also, avoid unsecure Wi-Fi networks. Link Scanner scans links for suspicious content to avoid dangerous websites.

Advanced multi-layered security safeguards your devices from both current and emerging malware threats, ensuring that your private and financial data remains protected while you navigate the internet. With user-friendly features, you can effortlessly create, store, and manage your passwords, credit card details, and other sensitive credentials in a secure manner. It actively monitors the interactions between your computer and other systems, blocking unauthorized access to protect your personal files and financial information from prying eyes. Additionally, automatic and secure cloud backups for PCs ensure that vital files and documents are stored safely, shielding them from hard drive failures, theft, and even ransomware attacks. Our commitment to your security is unwavering, which is why we provide a 100% guarantee: as soon as you sign up, a Norton expert will assist in keeping your devices free from viruses or offer you a refund if we can't deliver on that promise. Norton AntiVirus Plus is specifically designed for one PC or Mac, offering real-time protection against various threats, including malware, spyware, ransomware, and phishing attempts. By choosing Norton, you are investing in peace of mind, knowing your digital life is well-defended.

To safeguard your computer from sophisticated and evolving threats, you require cutting-edge detection and protection solutions. F-Secure Anti-Virus offers robust defense against viruses, spyware, malicious email attachments, and various forms of malware. With automatic updates and real-time responses, it ensures rapid protection against emerging threats. The installation process for F-Secure Anti-Virus is straightforward, and it operates without hindering your computer's performance. Protect your device from a range of cyber threats such as viruses and spyware, while always keeping your security measures current with automatic updates. Additionally, ensure you have access to advanced malware removal tools to enhance your computer's safety. By utilizing this software, you can navigate your digital environment securely without experiencing any decrease in speed.

The WatchGuard EPP solution transcends traditional signature-based antivirus measures by effectively thwarting malware, ransomware, and threats that exploit unknown zero-day vulnerabilities. Notably, it operates through an easy-to-use cloud-based console paired with a lightweight agent that ensures optimal endpoint performance without disruption. WatchGuard EPP safeguards against viruses, malware, spyware, and phishing attempts, employing a robust array of security strategies that include signatures, local caching, and proprietary intelligence feeds sourced from previously identified malware through our EDR products. This multifaceted approach allows for the detection of zero-day exploits by leveraging behavioral heuristics alongside established indicators of attacks as “contextual rules.” Furthermore, WatchGuard EPP consolidates next-generation antivirus protection across all your Windows, macOS, and Linux desktops, laptops, and servers, while also supporting leading virtualization environments, making it a versatile choice for comprehensive endpoint security. The integration of these advanced features ensures that your organization's digital assets remain protected in an ever-evolving threat landscape.

Safeguard yourself against ransomware and various online threats by preventing access to harmful websites that may compromise your personal information. Identify and flag phishing emails and fraudulent websites that seek to deceive users. Stop harmful files and applications from infiltrating your computer system. With Trend Micro Antivirus +, designed to be fully compatible with Windows 11, you can engage in shopping, gaming, and social activities online confidently, knowing your devices are shielded by top-tier defenses against emerging malware, scams, and fraudulent activities. This software effectively blocks viruses, spyware, and other harmful programs, allowing you to navigate your digital life securely. Additionally, it offers robust protection against the latest attack vectors, including ransomware, which can hold your data hostage until a ransom is paid. You can enjoy security without unnecessary complexity, as the intuitive settings and straightforward status updates ensure that safety is easily achievable. Take proactive measures to thwart cybercriminals from seizing your data and effectively secure your interconnected online environment while steering clear of scams and deceitful practices. Empower yourself with the tools to maintain your cyber safety and enjoy peace of mind in your online endeavors.

No matter your online activities across PC, Mac, and Android platforms, our sophisticated security solution with a single license safeguards you against a variety of threats, including malware, unauthorized webcam access, and financial fraudsters. - Shields against viruses, cryptolockers, and various cyberattacks - Stops online trackers from harvesting your personal information* - Identifies and removes spyware on your Android device - Secures your financial transactions with top-tier encryption* - Prevents unauthorized access to your webcam* - Encrypts all data transmitted and received online through VPN** - Enjoy peace of mind knowing your digital life is comprehensively protected.

An efficient and rapid antivirus solution ensures comprehensive protection for your computer against various forms of malware, including cryptolockers, screen blockers, banking trojans, adware, spyware, and potentially unwanted programs. During its development, we thoroughly examined contemporary antivirus requirements, leading to a product that effectively fulfills these expectations. NANO Antivirus Sky Scan offers the capability to analyze files using a cloud-based scanner. Furthermore, with NANO Antivirus Sky Scan, users can conveniently manage the NANO Antivirus software on their devices, swiftly access system protection status updates, and view the latest news directly within the application interface. Specifically tailored for touchscreen devices, NANO Antivirus Sky Scan enhances user experience while maintaining robust security. This innovative approach ensures that users can navigate their antivirus features with ease and confidence.

Our robust malware protection solution shields your PC from a wide array of threats, including viruses, ransomware, spyware, Trojans, adware, and worms. Recent enhancements in advanced heuristics have been implemented to effectively identify various virus variants and additional threats. Furthermore, the newly upgraded anti-malware engine, which boasts a 100% increase in capacity, enables speedy and thorough scans of your computer while working in tandem with the Bitdefender engine and IObit Anti-ransomware engine to provide multi-core defense. Additionally, IObit Malware Fighter 8 offers a secure safe box feature where you can lock away your sensitive files; simply set a password and store your important data, ensuring that only you have access to it. The anti-ransomware component further reinforces the protection of your data by proactively defending against any ransomware attempts. Moreover, the browser security feature ensures a safe and enjoyable online experience for both professional and personal activities. With these comprehensive layers of security, you can surf the web with complete peace of mind.

K7 Antivirus Premium provides real-time detection and elimination of threats, ensuring your online activities such as browsing, shopping, banking, learning, and working remain secure. It seamlessly scans new files and devices in the background without affecting system performance. With over 30 years of expertise in the cybersecurity field, K7 safeguards the digital lives of more than 25 million users globally. The service guarantees 100% real-time protection against both established and newly emerging threats. K7's intelligent firewall and intrusion detection system work to identify and neutralize dangers, including hackers, as soon as they are detected. Additionally, its Safe Surf feature blocks access to fraudulent and phishing websites, further securing your online identity. Your privacy is further enhanced by a smart firewall, which also protects your webcam from potential threats like hackers and ransomware. K7's comprehensive protection extends to spyware, ensuring that your sensitive data remains safe and well-guarded. To keep pace with the ever-evolving online threat landscape, K7 regularly updates its software, providing robust defenses against new vulnerabilities. This commitment to security helps users navigate the internet with confidence.

SpyHunter serves as an adaptive tool for detecting and eliminating malware, effectively identifying and eradicating the latest threats, such as spyware, trojans, rootkits, ransomware, keyloggers, and various other forms of malicious software. Its standout features include sophisticated remediation abilities, real-time system protection, and a dedicated Spyware HelpDesk that creates tailored solutions for specific issues that may arise on your computer. For Mac users, SpyHunter offers robust anti-malware capabilities designed to tackle the growing array of unique malware challenges affecting Mac systems. Additionally, it provides optimization functionalities that help users reclaim disk space by removing unnecessary applications and their remnants. To address persistent malware challenges, a live technical support team is readily available to provide assistance and guidance. This comprehensive approach ensures that users are well-equipped to maintain the integrity and performance of their devices.

Quickly and efficiently scan your computer for malware, spyware, and viruses while ensuring proper detection and removal. This solution also identifies and eliminates bothersome browser extensions, adware, unwanted applications, toolbars, and all forms of malware affecting your system. Developed with your insights in mind, our product aims to protect your PC from harmful threats. Zemana, a cyber-security firm, is dedicated to safeguarding you against identity theft, credit card fraud, ransomware, and other online risks. Established in 2007 by three college graduates, this privately owned company was created in response to a lack of effective security solutions available at that time, especially in light of rapidly evolving hacking methods. The inception of our flagship product, Zemana AntiLogger, marked a significant advancement in security technology. Unlike conventional approaches that relied solely on updating virus signatures, Zemana AntiLogger focuses on monitoring behavioral patterns, allowing it to automatically block any unforeseen and dubious activities on your computer. This innovative approach ensures your digital safety remains a top priority.

Safeguard your computer against a variety of threats, including malware, spyware, ransomware, trojans, and keyloggers. Enhance the capabilities of Microsoft Defender to address issues within your operating system, registry, task manager, and internet connections that may arise due to malicious software. Stay informed with alerts for product and database updates as they become available. The software performs scans discreetly in the background and can initiate while your device is in sleep mode. It effectively quarantines potential threats and eliminates even the most persistent ones, while also providing the option to restore items deemed safe. Additionally, it repairs components of your operating system affected by malware, including the registry and internet connectivity issues. The System Investigator tool allows you to detect spoofed and harmful files, as well as giving you insight into your installed applications and browser extensions, enabling you to monitor changes to your system over time. This comprehensive approach ensures your PC remains secure and functions smoothly.

Ransomware ranks among the most significant cyber threats today, seizing your critical files and demanding payment for their release. To safeguard your data and files, it’s crucial to understand ransomware, its operational mechanisms, and effective strategies to prevent it from infiltrating your devices, ideally with a top-tier anti-malware solution like Avast One. This cutting-edge protection offers robust defense against viruses, ransomware, spyware, immediate threats, vulnerabilities in your home Wi-Fi network, and much more. With Avast Premium Security, you can protect all your smartphones, laptops, and tablets. Additionally, our VPN ensures your online activities remain entirely private through bank-grade encryption, allowing you to browse, bank, message, and shop without concerns about hackers or other entities accessing your information. Furthermore, you can easily wipe out unnecessary files, resulting in a more streamlined and efficient device experience. You'll also benefit from straightforward summaries of your device’s status, one-click maintenance options, bloatware elimination, and an array of other useful features for optimal performance. Maintaining your online safety and device health has never been easier or more essential.

Get our award-winning spam filter for free, or protect yourself against threats with our powerful anti-virus software. SPYWAREfighter can quickly remove spyware and malware. To speed up your computer's boot time, you can use SLOW-PCfighter. You can also run a scan with FULL-DISKfighter for free to recover space from a full-size disk. DRIVERfighter is the latest offering to update your driver updater. These must-have software tools will optimize your computer and prolong the life of it. SPAMfighter Hosted mail Gateway is a low-cost, simple solution for individuals, companies, and organizations that own domain names and want to eliminate spam and virus without having to maintain their server software.

It detects spyware, viruses, and malware and safely removes them from your computer to keep it as safe as possible. This program can be used in conjunction with your main antivirus. It detects malicious items that you wouldn't know existed. Flexible scheduling for automatic scans. Your computer is more secure because it can detect items that your antivirus might miss. This keeps your computer safe and secure, giving it the peace of mind that you need. It is compatible with any antivirus brand. It scans your system memory for any malicious programs. Detects cookies that track and collect personal data. Security issues are checked in the system and temporary folders. Analyzes suspicious entries in the registry and auto-start items. Verifies the safety of programs that are set to auto-start according to the task schedule. To prevent data leaks, scan browser extensions. Quick scan that analyzes the most critical areas where threats are found.

Experience robust and efficient security that operates seamlessly without causing any slowdowns, defending against various forms of malware. It provides protection for Mac, Windows, and Linux systems, shielding you from a variety of threats such as viruses, ransomware, worms, and spyware. You can take full advantage of your computer's capabilities, whether playing, working, or browsing the web, all without interruptions. Our security solution is user-friendly, making installation, renewal, and upgrades a breeze while ensuring routine tasks are easily managed. We appreciate your loyalty, and renewing your ESET subscription takes just a few clicks, allowing you to use your current license key for activation effortlessly. Additionally, you can modify your subscription preferences and eStore account details with ease. ESET offers proven multilayered protection against ransomware and other malware, trusted by over 110 million users globally. Enjoy gaming sessions free from annoying pop-ups, and benefit from battery-saving mode to stay connected longer. Your online safety and smooth computing experience are our top priorities.

Intego utilizes cutting-edge technology, including a sophisticated malware engine and behavior analysis, to offer 24/7 protection against threats such as Malware, Spyware, Adware, and Ransomware, ensuring that your system is safeguarded before any attack can occur. With the integration of Intego Web Shield, both you and your family can navigate the internet with peace of mind, as it swiftly blocks phishing attempts, fraudulent websites, and various malware types, keeping your PC secure at all times. As the frequency of advanced Ransomware and Zero-Day attacks continues to escalate, Intego’s innovative Prevention Engine is designed to effectively counter these sophisticated threats that conventional antivirus solutions often struggle to handle. This comprehensive protection not only fortifies your system but also enhances your overall online safety, creating a secure digital environment for everyone in your household.

Identifies and eliminates persistent malware that poses significant risks. The software is equipped with a regularly updated malware database. It enhances disk performance and accelerates your PC's speed. By safeguarding your computer from various malware threats, it also optimizes overall performance. Users can perform fast and comprehensive scans of their systems. The program not only identifies and eradicates stubborn malware to avert potential risks but also supports scheduled scans, making it more convenient and time-saving. It effectively cleans temporary files and unnecessary clutter while freeing up valuable storage space. Moreover, it aids in system optimization to enhance and rejuvenate your computer's performance. Your PC is protected from diverse malware types, including Trojans, worms, spyware, and numerous online dangers. With automatic updates, the software provides real-time defense, ensuring your PC remains secure and current at all times. The purchasing process is 100% secure, and timely online support is available. Activation of the product can be done within five minutes of purchase. Additionally, a 30-day money-back guarantee is offered, excluding the single-use license option. This comprehensive approach ensures that your computer remains in peak condition while providing peace of mind.

Safeguard your devices, data, and files with a single comprehensive solution. Experience cutting-edge defense against malware, spyware, and ransomware, ensuring your digital identity is shielded by strong privacy measures. With a multi-layered security system, K7 Total Security identifies and neutralizes threats instantly, allowing you to browse, shop, bank, learn, and work online with confidence. Operating seamlessly in the background, it ensures that your device's performance remains unaffected. Additionally, its PC Tuneup features enhance your device’s functionality for optimal performance. Backed by over 30 years of expertise in cybersecurity, K7 protects more than 25 million users globally, assuring you of complete real-time protection against both current and future threats. Furthermore, K7 Total Security offers Parental Control options that enable you to block harmful websites and secure your family's devices from malicious content effectively. This combination of features ensures a safe and efficient digital experience for everyone in your household.

HitmanPro effectively eliminates a wide range of malicious software, including malware, viruses, trojans, worms, keyloggers, rootkits, trackers, and spyware. This trusted malware removal tool is favored by tens of millions globally due to its exceptional performance in five key areas. It not only halts sophisticated attacks and exploits in real-time but also enhances user privacy, all while being incredibly easy to download—taking just two seconds unless you're on dial-up. At only 10MB, it requires no installation; simply run it after downloading for immediate protection. Unlike traditional antivirus software, which primarily searches for known malware signatures, HitmanPro addresses the risk of new, zero-day threats that remain unrecognized. Its behavior-based scanning method identifies harmful activity, allowing for the detection of malicious software whether or not a signature is present. With access to the collective intelligence of four security labs, HitmanPro harnesses the power of multiple databases, ensuring a more comprehensive defense against cyber threats. This multi-faceted approach not only enhances security but also provides users with a greater sense of safety while navigating online.

Few things frustrate computer users more than intrusive ads and unexpected pop-up redirects. The integrated Adware Removal Tool Module addresses these annoyances, ensuring a clean and safe browsing experience. With just one click, the MalwareFox Browser Hijacker removal tool eliminates bothersome ads, unwanted toolbars, and misleading searches. Users shouldn’t have to pay to access their own information, which is why the MalwareFox Anti-Ransomware Tool offers robust protection against ransomware threats. One of the most insidious types of malware is the rootkit, crafted to stealthily gain unauthorized access to computer systems. To combat this, our Rootkit Removal Tool helps you prevent such breaches and reverse any damage caused. We are committed to creating a computing environment that prioritizes safety and the protection of private information. The Spyware Removal Tool enhances your privacy by effectively removing spy applications. Furthermore, due to their polymorphic characteristics, many antivirus programs frequently overlook Trojan infections, but MalwareFox's Trojan Remover is specially designed to eradicate these threats from your system. Ultimately, safeguarding your digital experience is our top priority, and we provide the tools necessary to maintain your security.