360 Total Security has a real engineering pitch: bundle five antivirus engines (its own QVM, plus Avira and Bitdefender signatures depending on configuration), throw in a system optimiser, disk cleaner, and patch manager, and ship it free. The detection rate is respectable, and the all-in-one dashboard means users do not need to install a separate cleaner and antivirus. The friction is structural. Qihoo 360, the parent, is a Chinese cybersecurity company that the US Department of Commerce added to its Entity List in 2020, which creates a hard problem for users in regulated industries or who simply want their security tool from a vendor with fewer geopolitical complications. The bundled toolkit also drives high RAM use when every engine is active. We tested seven 360 Total Security alternatives on Windows 11 to see which ones hold the all-in-one promise without the baggage.
Quick comparison
| App | Best for | Free plan | Starting price | Standout feature |
|---|---|---|---|---|
| Bitdefender Antivirus Free | Top detection in a small client | Yes | Free (or Total Security $39.99/yr) | One of the highest independent AV scores |
| Microsoft Defender | Built into Windows 11 | Yes | Free | Tamper protection and cloud-delivered scanning |
| Avast Free Antivirus | Bundled antivirus with light tune-up | Yes | Free (or One $39.99/yr) | Behavioural shield against zero-days |
| AVG AntiVirus Free | Same engine as Avast with a simpler UI | Yes | Free (or Internet Security $46.68/yr) | File shredder and basic web protection |
| Kaspersky Free | Lightweight scanner with strong anti-phishing | Yes | Free (or Standard $29.99/yr) | Low CPU during scheduled scans |
| Malwarebytes | Second-opinion scanner for tough infections | Yes (manual) | Premium $44.99/yr | Anti-exploit and ransomware modules |
| ESET NOD32 | Lightest paid antivirus footprint | Trial | $39.99/yr | Low RAM and no bundled extras |
Why people leave 360 Total Security
Three patterns come up repeatedly. The first is geopolitical: Qihoo 360 sits on the US Entity List, which makes 360 Total Security a non-starter for federal users, defence contractors, and many enterprise IT teams. The second is resource use. With all five engines active and the tune-up modules monitoring in real time, background CPU and RAM stay higher than Microsoft Defender or Bitdefender Free, especially on lower-end hardware. The third is feature overlap. The system optimiser and disk cleaner duplicate work that built-in Windows tools or dedicated apps like CCleaner already do, which means users carry the antivirus install just for the scanner and end up doubling tools anyway. The macOS and mobile versions also lag behind the Windows client in feature parity, so Windows-only users do not benefit from the cross-platform pitch.
The alternatives
Bitdefender Antivirus Free — Best for top detection in a small client
Bitdefender Antivirus Free runs a stripped-down version of the paid engine with continuous real-time scanning. AV-Test and AV-Comparatives consistently put it in the top three of independent detection charts, and the free build skips every extra module to keep the install footprint small.
Where it falls short: Free tier has no anti-phishing, ransomware shield, or VPN. The paid Total Security adds those at $39.99 for the first year.
Pricing: Free for Windows. Total Security from $39.99 first year.
Vs 360 Total Security: Tighter, faster, and detection-equivalent. No bundled tune-up tools.
Download: bitdefender.com/solutions/free.html
Bottom line: Pick Bitdefender Antivirus Free if you only want a clean, accurate scanner.
Microsoft Defender — Best for users who want nothing extra installed
Microsoft Defender is enabled by default on Windows 11 and scores in the same top tier as the major paid suites in 2026. Tamper protection blocks unauthorised disabling, cloud-delivered protection adds reputation-based blocking, and OneDrive integration enables ransomware rollback for files stored there.
Where it falls short: No tune-up or disk cleaner equivalent. UI is more enterprise-flavoured than home-friendly.
Pricing: Free, built into Windows 11.
Vs 360 Total Security: No third-party install, no Entity-List concern, no extra RAM cost. Less feature surface.
Download: Built into Windows. Settings → Privacy & security → Windows Security.
Bottom line: Pick Microsoft Defender if the antivirus you already have is enough.
Avast Free Antivirus — Best for users who want a bundled suite without 360’s parent
Avast Free covers behavioural detection, a web shield, a basic Wi-Fi inspector, and a password leak checker. The engine is the same one used in AVG, and detection scores rank in the top tier. Avast’s parent, Gen Digital, is US-based, which addresses the Entity List concern.
Where it falls short: The free tier shows promotional banners for Avast One Premium upgrades, and the seven-day VPN trial nudges users for billing details.
Pricing: Free. Avast One Premium from $39.99 first year.
Vs 360 Total Security: Comparable bundle without the geopolitical concern. More upsell pressure.
Download: avast.com/free-antivirus-download
Bottom line: Pick Avast Free if you want a bundled antivirus from a Western vendor.
AVG AntiVirus Free — Best for a simpler bundled UI
AVG shares its engine with Avast under the Gen Digital umbrella, so detection scores are identical. The AVG client trims most of the tune-up surface, which keeps the install lighter and the dashboard simpler. Includes file shredder, web protection, and basic behavioural detection.
Where it falls short: Same parent as Avast, so the upsell pattern and ownership concentration apply.
Pricing: Free. AVG Internet Security from $46.68/year.
Vs 360 Total Security: Lighter, simpler, no Entity List concern. No tune-up suite.
Download: avg.com/en-us/free-antivirus-download
Bottom line: Pick AVG Free if the Avast engine matches your needs but the suite does not.
Kaspersky Free — Best for a lightweight scanner with strong web protection
Kaspersky Free runs real-time scanning, on-demand scans, and email and web threat checks. The anti-phishing engine is one of the strongest in independent tests, and CPU use stays low even during scheduled scans. Removed nothing critical from the free tier in the 2025 release.
Where it falls short: Kaspersky’s Russian origin creates trust friction in many markets, and the US government bans federal use. Private-sector use is unrestricted but users should make their own assessment.
Pricing: Free. Standard from $29.99/year adds VPN and parental controls.
Vs 360 Total Security: Lighter footprint, stronger anti-phishing. Trades one geopolitical concern for another.
Download: kaspersky.com/free-antivirus
Bottom line: Pick Kaspersky Free if performance matters more than vendor geography to you.
Malwarebytes — Best for a second-opinion scanner
Malwarebytes Free is the go-to on-demand scanner for cleaning up PUPs, adware, and infections that signature-based engines miss. The Premium tier adds always-on protection, anti-ransomware, anti-exploit, and a malicious-URL filter.
Where it falls short: Free tier is on-demand only, so it does not replace a real-time AV. Premium overlaps with Microsoft Defender.
Pricing: Free for manual scans. Premium from $44.99/year for one device.
Vs 360 Total Security: Best at catching what 360 misses, not a primary AV.
Download: malwarebytes.com/mwb-download
Bottom line: Pick Malwarebytes alongside another scanner, not in place of one.
ESET NOD32 — Best for the lightest paid antivirus
NOD32’s pitch is the smallest CPU and RAM footprint in independent benchmarks, paired with detection scores in the top three. The interface skips bundled VPN, parental controls, and password managers. Power-user features (exclusion rules, scheduled scans) are exposed without burying.
Where it falls short: No permanent free tier, only a 30-day trial. UI is plain.
Pricing: NOD32 from $39.99/year.
Vs 360 Total Security: Lightest paid pick with no bundled extras and a Slovak (EU) vendor.
Download: eset.com/us/home/antivirus
Bottom line: Pick ESET NOD32 if you want a focused paid scanner with no fluff.
How to choose
Pick Bitdefender Antivirus Free if you want top detection in a small Windows-only client. Pick Microsoft Defender if you do not want to install anything extra. Pick Avast Free if you want a bundled suite from a US-headquartered vendor. Pick AVG Free if you liked Avast’s engine but find the suite cluttered. Pick Kaspersky Free if a lightweight engine with strong anti-phishing matters more than vendor geography. Pick Malwarebytes as a second-opinion scanner alongside whichever real-time AV you pick. Pick ESET NOD32 for a paid scanner with the lightest footprint and no bundled extras. Stay on 360 Total Security if the all-in-one dashboard with a built-in tune-up is genuinely the workflow you need and the vendor geography is not relevant to you.
FAQ
Is 360 Total Security safe to use in 2026? The antivirus engine itself does its job and the detection scores are respectable. The trust concern is the parent company’s Entity List status, which is a vendor-geography question rather than a malware-quality one. Users in regulated industries should default to a non-Entity-List alternative; home users in private-sector use can make their own call.
What is the best lightweight 360 Total Security alternative? ESET NOD32 (paid) or Microsoft Defender (free, built-in) both run with smaller footprints than 360. Bitdefender Antivirus Free sits between them.
Does Microsoft Defender include a system tune-up like 360? No. Defender focuses on antivirus and threat detection. For tune-up, use the built-in Windows Storage Sense and PowerToys, or pair Defender with a dedicated cleaner.
Is there a 360 Total Security alternative that runs on macOS? Avast Free, Sophos Home Free, and Malwarebytes Free all cover macOS. The 360 macOS client lags the Windows version significantly, so most users switching for macOS coverage will see an upgrade.
Can I run Malwarebytes alongside another antivirus? Yes. Two real-time scanners conflict, but Malwarebytes can run as an on-demand scanner alongside Microsoft Defender, Bitdefender, or Avast without trouble. Premium uses a lower-priority hook that is designed to co-exist with one primary AV.