- Security
- Privacy
- Performance
Download Avast One to run a free trojan scan on your device. Prevent future attacks from trojans, viruses, and other types of malware. Plus, it's 100% free and easy to use.
Hidden trojan horse malware can compromise your data and slow your device. Disguised as harmless files, trojans wreak havoc on your system. Strong antivirus software can detect trojans before they do damage. Avast One is one of the fastest and most accurate trojan scanners available. Install it today — 100% free.
Virus definitions update in real-time, ensuring protection against new threats, enabling trojan virus removal.
Deletes existing trojans and scans for hidden malware on your PC to defend against malicious threats.
Prevents backdoor malware and untrusted apps from accessing your webcam without consent.
Separates trojans and other malware from the rest of your operating system to keep your device safe.
Finds and isolates malware before your operating system mistakenly loads malicious files.
Prevents malicious scripts from loading while you browse, and blocks dangerous websites.
Virus definitions update in real-time, ensuring protection against new threats, enabling trojan virus removal.
Deletes existing trojans and scans for hidden malware on your PC to defend against malicious threats.
Prevents backdoor malware and untrusted apps from accessing your webcam without consent.
Separates trojans and other malware from the rest of your operating system to keep your device safe.
Finds and isolates malware before your operating system mistakenly loads malicious files.
Prevents malicious scripts from loading while you browse, and blocks dangerous websites.
Leading independent reviewers agree: Avast’s cybersecurity protection is among the best in the world. Avast One is powered by the same world-class antivirus engine that’s been bringing home top awards for years.
But don’t just take our word for it.
The UI for your software - amazing. Great work over the years. Can't say enough good things!
Thank you, Avast, for the excellent work you do. I run your antivirus software on both my Mac OS X and my Windows machines. You have the best products on the market, period.
I’ve been using Avast for over a year and have found it one of the best free software protection devices on market.
Every device needs trojan protection, not just Windows PCs. We’ll help you keep your Mac and mobiles free of trojan malware.
We’re not demanding. All you need is a PC with Windows 11, 10, 8.1, 8 or 7*, 1 GB RAM
and 2 GB of hard disk space. And that’s it.
* Both the 32- and 64-bit versions, excluding Starter and RT editions.
Windows 10 compatible