Hidden Trojans can compromise your data and slow down your PC (and other devices, too). Trojans are disguised as harmless files, but start to wreak havoc once they sneak into your system. Thankfully, Avast’s free antivirus is one of the fastest and most accurate Trojan scanners on the market. There’s simply no better choice to remove Trojans ASAP.
If there are any Trojans, viruses, or other malware on your machine, we’ll find and destroy them. Then we’ll make sure you’re never infected again.
Trojans are always evolving, but so are we. No matter what new malware you come across, we’ll keep you safe with unmatched malware-detection technology.
Trojans are just the beginning. From viruses to bad browser extensions to outdated software and other threats, Avast has your back.
We’ve packed the world’s largest threat-detection network and machine-learning malware protection into a single, lightweight malware scan and removal tool that won’t slow down your PC. And did we mention, it’s 100% free?
Leading independent reviewers agree: Avast One is worthy of its numerous accolades, awards, and 5-star reviews. When honoring Avast One with its 2021 Editors’ Choice award, PCMag praised Avast’s “numerous excellent lab scores,” and described Avast One as “a partner to keep you, your devices, and your data safe and happy.”
And TechRadar awarded Avast One a full 5 stars, noting its malware protection and prevention capabilities. “Avast One doesn't just do a good job of detecting malware: it detects and blocks access to malicious websites, reducing the chance you'll get infected in the first place.”
Avast’s antivirus engine has been garnering top praise and prestigious awards for years:
PC Mag: Editors’ Choice, 2021
TechRadar: 5 stars & Editor’s Choice, 2021
AV-TEST: Top Product, AV Test Certified, 2021
AV Comparatives: Top Rated Product Award, 2020
AV Comparatives: 2018 Product of the Year
AV Comparatives: Advanced+ in malware protection and removal, 2018
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 protection from Trojans, not just Windows PCs. We’ll help you keep your Mac and mobiles free of Trojan-malware, too.
Avast offers quick, powerful scans against Trojans and other malware that target your Mac. Our top-performing antivirus for Mac will keep your Mac safe from other threats, too — all for free.
It’s also important to protect your Android phones and tablets. Avast’s free antivirus tool for Android eliminates Trojans and other malware threats while keeping your Wi-Fi connection secure.
Looking for the best way to protect yourself against Trojans? You found it. And at the best possible price — free.
There’s no easier way than downloading a Trojan scanner and removal tool, like Avast One. But if you want to learn how to identify and remove a Trojan (or any other kind of virus) from a specific type of device, we’ve got you covered: