Key Features
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Multi-engine protection: Combines Qihoo’s proprietary engines with trusted scanners from Avira and Bitdefender for enhanced malware detection .
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System optimization toolkit: Includes junk clean-up, startup booster, “Game Booster”, and driver/patch update tools—even in the free version.
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Sandbox & document shields: Isolates suspicious apps and guards critical files from tampering or ransomware.
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Browser web protection: Via a browser extension, offering phishing/site blocking; desktop defenses rely on Windows Firewall.
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Premium upgrades: Removes ads, unlocks firewall, driver updater, secure file deletion, and ransomware detection.
Pros & Cons
Strengths
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Comprehensive free protection with familiar multi-engine antivirus and performance tools.
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Lightweight footprint (~66 MB RAM usage), minimal impact on browsing speeds.
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Sandbox tool enables risk-free testing of unknown apps.
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Low-cost premium suite (~$27/year for 3 PCs) .
Weaknesses
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Lower malware detection rates (~80%), slower scans (~3+ hours) compared to top-tier antiviruses .
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Intrusive ads in the free version and persistent update prompts.
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Privacy concerns: Ties to a Chinese company have led to data-handling worries, plus reports of aggressive bundling and auto-installs.
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Adware or PUP behavior: Users report difficulty uninstalling, persistent pop-ups, and unexpected browser changes.
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Limited extras: Basic firewall, no password manager, VPN, or identity protection.
User & Expert Feedback
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Digital Citizen tests: Noted 38% slower boot time, slowed LAN transfers, no built-in firewall .
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TechRadar verdict: Quality tools but better to build a suite using separate apps—or opt for stronger commercial solutions like Avira Prime.
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SafetyDetectives reviews: Scanned weakly (~80%) and offers subpar real-time protection; optimization tools praised.
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Reddit community: Many describe it as a PUP, bundler, or unnecessary—recommend uninstalling in favor of Windows Defender or Malwarebytes.
Final Take
360 Total Security can serve as a budget-friendly, multi-tool suite for casual users who appreciate system cleanup and sandboxing—but only if you’re okay with ads, slower scans, and some privacy tradeoffs.
Recommended for:
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Users seeking free optimization tools, sandbox testing, and basic antivirus.
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Those who accept a moderate level of protection and occasional pop-ups.
Not recommended for:
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Anyone needing best-in-class malware detection and real-time defense.
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Privacy-sensitive users unwilling to risk data collection or bundling.
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Users who prioritize clean uninstalling and no pop-ups.