Best Anti-Spyware Software for Windows
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Compare the Top Anti-Spyware Software for Windows as of October 2026
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What is Anti-Spyware Software for Windows?
Anti-spyware software enables users and companies to prevent spyware from infecting computers, smartphones, devices, and networks. Anti-spyware software provides features to prevent spyware as well as spyware removal tools. Compare and read user reviews of the best Anti-Spyware software for Windows currently available using the table below. This list is updated regularly.
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1
Bitdefender Ultimate Small Business Security
Bitdefender
Bitdefender Small Business Security delivers enterprise-grade, layered cyber-protection designed specifically for small organizations. It covers Windows, macOS, iOS, and Android devices with centralized, easy-to-use management, so businesses without a dedicated IT staff can deploy and monitor security from one dashboard. Key features include multi-layered endpoint protection (machine learning, behavioral analytics, real-time monitoring, process termination, and rollback) to prevent known and unknown threats. It offers ransomware prevention and mitigation (detecting abnormal encryption attempts and restoring files from backups), fileless attack protection (memory/back-injection interference, script blocking), phishing & fraud prevention (blocking deceptive sites and warning users), and advanced exploit protection (real-time shield of browsers, Office apps, Adobe Reader) for comprehensive endpoint defense.Starting Price: $18.99 per month -
2
Control D
Control D
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. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Deploy in minutes on fleets of devices using RMM - Manage clients using sub-organizations - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security - Enjoy superior UX and simplicity 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.Starting Price: $0.5/endpoint -
3
ThreatLocker
ThreatLocker
ThreatLocker is a Zero Trust Platform that prevents cyber threats by blocking unknown applications, enforcing least privilege, and controlling what can run across your environment. Using Allowlisting, Ringfencing, Network Control, and more, ThreatLocker stops ransomware, zero-day attacks, and unauthorized activity before execution, rather than relying on detection after the fact. Built for modern IT and cybersecurity teams, the platform delivers centralized visibility and policy management across endpoints, users, and applications. ThreatLocker reduces attack surface, limits lateral movement, and supports compliance with detailed audit logs. With fast deployment, a large built-in application library, and streamlined approvals, organizations can strengthen security while minimizing operational overhead and maintaining business continuity. -
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When an unrecognized file is downloaded onto one of your PCs, a copy will be sent to our experts at our Threat Labs to identify if it’s safe or not. Checks webpages before they open in your browser and displays a safety rating in the search engine results to help you surf the web with more confidence. Better protection against even the newest malware thanks to cloud-based Real-Time Outbreak Detection and proactive AI Detection. Protects against online security threats like spam, viruses, hackers and malware. Anti-Spyware protects your identity from spyware and adware that tracks personal information. Our Windows file server security helps keep it safe, private and out of the hackers’ hands. Advanced File Shredder securely deletes files to help prevent unintended recovery. Scans your PC when you’re not working so it doesn't get in the way. It does the hard work so you and your employees can focus on your business without costly distractions and delays.Starting Price: $44.99 per year
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5
Kaspersky Anti-Virus
Kaspersky
Blocks the latest viruses, ransomware, spyware, cryptolockers & more – and helps stop cryptocurrency mining malware damaging your PC’s performance. Delivers real-time antivirus protection. Blocks ransomware, cryptolockers & more. Prevents cryptomining malware infections. Lets your PC perform as it’s designed to.Starting Price: $29.99 per year -
6
AVG Internet Security
Avast
Get total security that keeps you safe online with award-winning antivirus, a customizable firewall, remote access protection against hackers, and more. AVG Internet Security blocks viruses and malware, keeps your emails secure, protects your personal files, passwords, and webcam from hackers, and lets you shop and bank online without worry. Advanced Antivirus scans your PC for viruses, ransomware, spyware, and other types of malware. Behavior shield sends alerts if suspicious software behavior is detected on your PC. AI Detection proactively identifies malware samples to protect you from new threats. CyberCapture blocks new threats by having our antivirus software automatically upload them for analysis. Stay safe when you go online by scanning links, downloads, and email attachments for threats and avoiding unsecure Wi-Fi networks. Link Scanner avoid dangerous websites by scanning links for anything suspicious.Starting Price: $3.29 per month -
7
Norton AntiVirus Plus
Norton
Multi-layered, advanced security helps protect against existing and emerging malware threats to your devices, and help protect your private and financial information when you go online. Easily create, store, and manage your passwords, credit card information and other credentials online – safely and securely. Monitors communications between your computer and other computers and blocks unauthorized traffic, helping protect your personal files and financial information. Automatic, secure cloud backup for PCs – to store and protect important files and documents against hard drive failures, stolen devices and even ransomware. We’re so confident in our ability to keep your devices secure, we offer a 100% guarantee: From the moment you subscribe, a Norton expert will help keep your devices virus-free or give you a refund. Norton AntiVirus Plus is ideal for 1 PC or Mac providing real-time threat protection against malware, spyware, ransomware, phishing attacks and more.Starting Price: $19.99 per year -
8
F-Secure Anti-Virus
F-Secure
You need advanced detection and protection technology to protect your computer against modern and complex threats. F‑Secure Anti‑Virus provides protection against viruses, spyware, infected email attachments and other malware. Automatic updates and real-time response guarantee the fastest protection against all new threats. F‑Secure Anti‑Virus is easy to install and it does not slow down your computer. Protect your PC against viruses, spyware and other malware. Keep your security always up to date with automatic updates. Make sure you have advanced malware removal technology. Use your computer safely without slowing it down.Starting Price: $35.99 per year -
9
WatchGuard Endpoint Protection Platform (EPP)
WatchGuard Technologies
The WatchGuard EPP product goes beyond signature-based antivirus to stop malware, ransomware and threats that leverage unknown, zero day vulnerabilities. Even better, it's managed with an intuitive Cloud-based console and lightweight agent that doesn't interfere with endpoint performance. Endpoints are protected from viruses, malware, spyware and phishing with WatchGuard EPP. We use a comprehensive set of security techniques including signatures, local cache, and even our own proprietary intelligence feeds derived from the malware previously detected with our EDR products. This enables us to find zero day exploits using behavioral heuristics and known indicators of attacks as “contextual rules." WatchGuard EPP centralizes next-generation antivirus for all your Windows, macOS and Linux desktops, laptops, and servers, in addition to the leading virtualization systems. -
10
Trend Micro Antivirus+ Security
Trend Micro
Defend against ransomware and other online dangers. Block dangerous websites that can steal personal data. Flag malicious phishing emails and scam websites. Prevent malicious files and applications from infecting your PC. Trend Micro Antivirus + is fully compatible with Windows 11 so you can shop, game, and socialize online with confidence that you and your devices are protected by world-class protection against the latest malware, fraud, and scams. Block viruses, spyware, and other malicious software, so you can enjoy your digital life safely. Protect against the newest types of attacks, including ransomware, which can encrypt your data until you pay off the bad guys. Get security without complexity. Intuitive settings and clear status reports make safety simple. Stop cyber criminals from taking your data hostage. Secure your connected world. Avoid online scams and fraud.Starting Price: $19.95 per year -
11
Kaspersky Internet Security
Kaspersky
Whatever you do online – on your PC, Mac & Android devices – our advanced, one-license security suite helps protect you from malware, webcam spies, financial scammers & more. - Blocks viruses, cryptolockers, attacks & more - Prevents online trackers collecting your data* - Detects spyware hiding on your Android device - Protects payments, with bank-grade encryption* - Blocks unauthorized access to your webcam* - Encrypts data you send & receive online – VPN**Starting Price: $39.99 per year -
12
NANO Antivirus
NANO Security
Effective and fast anti-virus solution that provides maximum protection of your computer against all types of malware - cryptolockers, screen blockers, bank trojans, potentially unwanted programs, adware, spyware, etc. During development we have studied the modern requirements to antivirus programs and created a product that meets all these needs. NANO Antivirus Sky Scan allows you to check files with cloud scanner. In addition, by using NANO Antivirus Sky Scan you can easily manage NANO Antivirus installed on your device, quickly receive information about the system protection status and read our latest news directly inside the application. NANO Antivirus Sky Scan is designed specifically for touchscreen devices.Starting Price: $8.99 per 100 days -
13
SUPERAntiSpyware
RealDefense, LLC
SUPERAntiSpyware is a dedicated anti-malware application developed by RealDefense that detects and removes spyware, adware, trojans, ransomware, keyloggers, and other threats that traditional antivirus software may miss. Built on AI-powered scanning technology, it locates threats hiding anywhere on your system without conflicting with your existing security software. The Free edition offers powerful on-demand scanning across drives, memory, and the registry at no cost. The Professional X edition adds real-time threat blocking, scheduled scanning, automatic definition updates, email notifications, and a 4th generation machine-learning AI engine with over one billion threats blocked to date. Compatible with Windows 7, 8, 8.1, 10, and 11.Starting Price: $29.95 per year -
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K7 Antivirus Premium detects and eliminates threats in real-time, so you can stay secure as you browse, shop, bank, learn and work online. K7 automatically scans new files and devices in the background, with no impact on performance whatsoever. With over 3 decades of experience in cybersecurity, K7 continues to protect more than 25 million customers across the world. We promise 100% real-time protection from all kinds of existing and emerging threats. K7's smart firewall and intrusion detection to stop and eliminate threats like hackers upon detection. Safe surf restricts access to fake and phishing sites. Your online identity is protected by a smart firewall. Secure your webcam from hackers and ransomware. K7 comes with robust protection against spyware, making sure your data stays safe and secure. Regular updates to protect your device against all emerging online threats.Starting Price: $9 per year
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15
MalwareFox
MalwareFox Inc
MalwareFox is a lightweight yet powerful antivirus solution that detects and removes malware, ransomware, spyware, adware, rootkits, and zero-day threats in real time. Built on a high-performance engine with top-rated lab protection scores, MalwareFox goes beyond traditional antivirus to catch threats that others miss — without slowing your system down. Key Features: Real-time threat detection & removal Anti-ransomware & anti-rootkit protection Browser protection against phishing & malicious URLs Android app for mobile security Lightweight — minimal impact on system performance Simple, clean interface for all users Trusted by users worldwide, MalwareFox offers a risk-free 30-day money-back guarantee.Starting Price: $24 per year -
16
SpyHunter
EnigmaSoft
SpyHunter is an adaptive malware detection & removal tool that allows you to detect and remove the latest malware threats including spyware, trojans, rootkits, ransomware, keyloggers & other types of malicious software. SpyHunter's most advantageous features are its advanced remediation capabilities, its real-time system guards and its Spyware HelpDesk, which generates custom fixes to specific problems that may be unique to your PC. SpyHunter for Mac delivers powerful anti-malware tools to combat the increasingly prevalent & unique malware threats that infect Mac systems. SpyHunter for Mac offers optimization features to help users free up disk space and remove all traces of unnecessary apps. For persistent malware, our live technical support team is available to assist you. -
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Avast Ultimate
Avast
As one of today’s most pressing cyberthreats, ransomware kidnaps your sensitive files and holds them hostage unless you pay up. To keep your files and data safe, learn what ransomware is, how it works, and how you can prevent it from infecting your devices with a world-class anti-malware tool like Avast One. Our most advanced protection is your lightest, toughest defense against viruses, ransomware, spyware, zero-second threats, home Wi-Fi network vulnerabilities, and more. Protect all of your phones, computers, and tablets with Avast Premium Security. Keep everything you do online completely private with our VPN’s bank-grade encryption — browse, bank, message, and shop without having to worry about hackers or anyone else seeing what you do online or stealing your data. Easily eliminate junk for a cleaner, faster, more efficient computer or phone. You’ll also get quick-glance overviews of your device’s health, one-click maintenance care, bloatware removal, and much more.Starting Price: $69 .99 per device per year -
18
SPAMfighter
SPAMfighter
Download our award winning free spam filter, or secure yourself from threats with our effective anti-virus software. Also, try SPYWAREfighter to remove spyware and malware quickly. Try SLOW-PCfighter to speed up boot time on a slow PC, or try a free scan of FULL-DISKfighter to recover space on a full disk. The latest offering is DRIVERfighter to update your driver updater. Get complete PC optimization and extend the life of your PC with these must-have software tools. SPAMfighter Hosted Mail Gateway is the simple and low-cost solution for companies, organizations, and individuals with their own the domain name and want to get rid of spam and virus without buying and maintaining their server software.Starting Price: $25 per year -
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Zemana AntiMalware
Zemana
Scan your PC in fast and effective way for malware, spyware, virus detection and removal. Detects and removes annoying browser add-on's, adware, unwanted apps and toolbar and any type of malware on your PC. We are developing this product based on your feedback. Don't let malware take away your PC! Zemana is a cyber-security company that keeps you safe from identity theft, credit card fraud, ransomware and other dangers of the online world. This is a privately held company, formed in 2007 by three college graduates. They wanted to offer more refined security solutions because at that time there were no products on the market that could defeat the rapidly growing level of new hacking variants. This is how our pioneer product Zemana AntiLogger came to life. Instead of just updating a virus database with known virus variants, Zemana AntiLogger was based on behavioral characteristics, so any unexpected and suspicious activity on a computer was blocked automatically.Starting Price: $24.95 per year -
20
Auslogics Anti-Malware
Auslogics
Detects malware, spyware and viruses, then safely removes them from your PC to help keep it as secure as possible. The program is made to complement your main antivirus. Detects malicious items you'd never suspect existed. Flexible scheduling of automatic scans. Catches items your antivirus may miss, making your PC more secure. Keeps your computer safe and secure, giving you the peace of mind you need. Designed not to conflict with your main antivirus, no matter what brand. Checks system memory for malicious programs that could be running. Detects cookies that track your activity and collect your personal data. Checks system and temporary folders for security issues. Analyzes auto-start items and suspicious entries in the registry. Checks the safety of programs set to auto-start in the task schedule. Scans browser extensions to prevent data leaks. Quick scan, which analyzes the most important areas where threats can be found.Starting Price: $39.95 per year -
21
iRepair Shield
iRepair Rimini
iRepair Shield is Windows software for checking Android phones and iPhones over USB. It scans Android apps for malware, spyware and stalkerware indicators, examines iPhone privacy indicators and encrypted backups, and checks device identity, battery health, hardware and activation or carrier locks. Four modules cover virus and malware, anti-spyware, used-device grading and hardware diagnostics. Results include explanations and PDF reports for repair work, customer handover or used-phone buyback. Analysis runs on the connected Windows PC, and phone photos, messages, contacts and backups are not sent to the vendor. A free scan includes Android malware and stalkerware detection, diagnostics and device grading; paid licenses add guided removal, expanded iPhone privacy and forensic checks, certificates and unwatermarked reports. Repair shops can license modules annually for use with unlimited phones on one PC.Starting Price: €19/phone -
22
ESET Cyber Security
ESET
Fast and powerful security without slowdowns, against all types of malware. Secures Mac, Windows and Linux devices. Protects you against all types of malware, including viruses, ransomware, worms and spyware. Enjoy the full power of your computer. Play, work and browse the internet without slowdowns. Easy to install, renew and upgrade, our security is also designed for simple set up of all routine tasks. We value your loyalty! Renewing ESET takes a few clicks and you are settled. Download and use your existing license key to activate your software. Update your subscription preferences and eStore account information. Protect yourself from ransomware and other types of malware with ESET's time-proven multilayered protection, trusted by over 110 million users worldwide. Play, work and browse the internet without slowdowns. Stay unplugged and online longer with battery-saving mode, and enjoy gaming without distracting pop-ups.Starting Price: $39.99 per year -
23
Malware Hunter Pro
Glarysoft
Detects and removes stubborn malware that can cause potential danger. Constantly updated malware database. Cleans disk and speeds up your PC. Protects your computer from malware and optimizes your computer performance. Scan your computer quickly and thoroughly. Detect and remove stubborn malware to prevent potential danger. Support scheduled scan to save your time. Clean up temporary & unnecessary files. Remove unneeded documents to save computer storage space. Help you optimize your system to speed up and boost your computer performance. Protect your PC from malware, such as Trojan, worms, spyware, and other online threats. Automatic updates provide real-time protection, keeping your PC always up-to-date and secure. 100% secure purchasing process. Timely after-sale service online. Send and activate the product in five minutes. 30-day money-back guarantee, except the single-use license.Starting Price: $29.95 per year -
24
K7 Total Security
K7 Security
Protect your devices, data, information and files with one product. Get advanced protection against malware, spyware and ransomware. Protect your digital identity with robust privacy protections. Enjoy multi-layered protection for your devices. K7 Total Security detects and eliminates threats in real-time, so you can stay secure as you browse, shop, bank, learn and work online. K7 Total Security works in the background with no impact on device performance. That's not all, with PC Tuneup features, it can optimize your device to perform at its best. With over 3 decades of experience in cybersecurity, K7 continues to protect more than 25 million customers across the world. We promise 100% real-time protection from all kinds of existing and emerging threats. K7 Total Security's Parental Control features let you filter harmful websites, block malicious and dangerous websites and secure their devices.Starting Price: $16.20 per year -
25
HitmanPro
Sophos
Cleans malware, viruses, trojans, worms, keyloggers, rootkits, trackers, spyware, and more. HitmanPro is the malware remover of choice for tens of millions of people. Because it does five things very, actually, exceptionally, well. Stops complex attacks and exploits in real-time while increasing privacy including HitmanPro. You can download HitmanPro in two seconds (unless you still have dial-up internet). It’s only 10MB. Plus, you don’t have to install it, just run it after it’s downloaded. A standard antivirus program misses stuff. It’s focused on finding malware signatures that virus firms have identified as malicious. But what about new, zero-day threats that haven’t been researched? That’s why HitmanPro looks at behaviors when scanning for trojans and other malware. Bad behavior is caught, with or without a malware signature. Two heads are better than one. So we have four. HitmanPro leverages malware databases from four security labs.Starting Price: $24 one-time payment -
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Panda Free Antivirus
Panda
Panda Free Antivirus protects you while you work, play, or browse online. Free protection for your Windows and Android devices. Maximum virus detection rate with minimum impact on your device. Stay protected at all times with free, up-to-the-minute updates. Install and forget: Forget about product updates and complicated settings. Simply install the product and enjoy your digital life worry-free. All the work is done from the cloud. You won't notice it's there! (but it is). And with no need to store files or perform daily updates! Real-time protection against all types of malware and spyware. Schedule periodic scans and/or scan your computer on demand. Protect your PC by preventing the automatic execution of malware from USB drives. Scan all USB drives upon insertion. Free PC recovery system. Run an advanced scan of your PC or create a rescue USB drive to boot and clean those infected computers that won’t even start.Starting Price: $2.74 per month -
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Bitdefender Internet Security
Bitdefender
You get the most innovative technologies that predict, prevent, detect and remediate even the latest cyber-threats, anywhere in the world. Bitdefender`s unbeatable multi-layered protection keeps your devices safe from all new and existing threats. Bitdefender’s security software reacts instantly to all e-threats with no compromise to your system’s performance. Bitdefender Internet Security takes care of your online privacy and personal information. Absolute power in the most efficient Internet security suite available today. Bitdefender Internet Security works against all e-threats, from viruses, worms and Trojans, to ransomware, zero-day exploits, rootkits and spyware. Your data and privacy are safe. Bitdefender Internet Security stops attacks before they even begin. The new cyber threat intelligence technologies included can analyze and identify suspicious network-level activities, and block sophisticated exploits, malware and botnet-related URLs, and brute force attacks.Starting Price: $2.24 per month -
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Simple Malware Protector
Simplestar Software
Simple Malware Protector identifies threats and vulnerabilities on your PC and will neutralize them quickly and easily. It then constantly monitors your PC to ensure you’re protected against future infection. Simple Malware Protector is continuously updated to ensure you’re protected against the latest threats and vulnerabilities. You can schedule Simple Malware Protector to run at startup or any other time of day, ensuring you are in control of your protection. You can also choose a quick, deep, or custom scan depending on your needs and preferences. Simple Malware Protector will scan your PC and identify security threats and vulnerabilities. Simple Malware Protector can quickly and safely remove these threats and prevent them from reoccurring. Protect your computer from malware, spyware, and other security threats. Restore optimum security to your PC.Starting Price: $3.03 per month -
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Adaware Antivirus
Adaware
Adaware Antivirus safeguards your computer from online threats so you can focus on the things that matter to you, connecting with friends, checking email, and watching videos. Adaware Antivirus for Windows allows you to schedule daily scans, get real-time security, and eliminate suspicious activities, among many other features to keep your Windows devices safe. Download the free version to start using your security tools on all your preferred devices. Award-winning protection against all malware. Stop viruses, ransomware, spyware, and other forms of malware. Shop & bank safely online. Block hackers from accessing sensitive files on your Windows devices, including Windows 10 devices with Adaware Antivirus for free today. Email protection & advanced antispam filters. Avoid online scams with malicious URL detection. Scan all downloads before they have a chance to damage your PC. Block malicious processes and infected files in real-time.Starting Price: $14.59 per year -
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Trend Micro HouseCall
Trend Micro
The best free online virus scanner that you can get to identify hidden threats on your PC and Mac. Discover if your files are safe and block malicious software hidden outside of files. Threats can harm your device before you realize there is a problem. Use HouseCall to get your device back to normal. With the detailed report, you can see what threats have targeted your device and take quick action. With HouseCall, you can choose which scan to run, quick or full. You can even create a custom scan. Detect and fix viruses, worms, spyware, and other malicious threats for free. HouseCall can quickly find new threats on your Windows or Mac computer for free without getting in the way of your existing security software. You can count on HouseCall to keep malicious files off your device and stop them from spreading. HouseCall for Home Networks scans all of your home network devices for vulnerabilities and recommends how to eliminate them.Starting Price: Free
