Free Virus Scanner Tool

Scan and remove viruses from your device with our free online virus scanner,

or get proactive virus protection with Malwarebytes Premium.

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Common virus symptoms

icon pop ups

Lots of pop-ups

They might encourage you to visit unusual sites or download unfamiliar software.

 icon frequent crashes

Frequent crashes

Your device can freeze or crash due to hard drive damage from a virus.

icon mass emails being sent in your name

Mass emails being sent in your name

Everyone’s worst nightmare: A cyberthief sends mass emails in your name.

icon your password suddenly changes

Your password suddenly changes

Unusual stuff happens, like a password change, that keep you from logging in.

icon slow computer

Slow computer

If your computer suddenly starts running slowly, it could be a virus.

icon your homepage is different

Your homepage is different

Your homepage defaults to a different website or you can’t reset it.

Our free virus scanner stops a
virus infection in its tracks.

How to remove a virus on your computer

proactively protect your device proactively protect your device

Proactively protect your device from future viruses with Malwarebytes Premium.

Automatically scans and protects against viruses so you don’t have to.

Don't take our word for it

“We use Malwarebytes on all of our company computers. Our experience is that Malwarebytes is effective and trouble free.”

‒ Robin G.

Fort Worth, TX

“Malwarebytes provides an extra, invaluable layer protection against malicious data, and that makes me and our systems feel safer!”

‒ Billy H.

Sarasota, FL

“Eliminating hundreds of potential malware and trackers every week for our entire organization.”

‒ Raymond P.

Southfield, MI

Don't take our word for it

“We use Malwarebytes on all of our company computers. Our experience is that Malwarebytes is effective and trouble free.”

‒ Robin G.

Fort Worth, TX

“Malwarebytes provides an extra, invaluable layer protection against malicious data, and that makes me and our systems feel safer!”

‒ Billy H.

Sarasota, FL

“Eliminating hundreds of potential malware and trackers every week for our entire organization.”

‒ Raymond P.

Southfield, MI

FAQ

Even in 2021, viruses are still persistent threats. A virus infection is harmful software triggered by performing common tasks such as opening an email attachment, launching an infected program, or viewing an ad on a malicious site. Viruses self-replicate by modifying or completely replacing files.

Viruses are a type of malware. Malware’s focus is all about making money off you. Although it can’t damage the physical hardware of your device or network equipment, it can steal, encrypt, or delete your data, alter or hijack core computer functions, and spy on your activity.

The best way to protect against a virus infection and malware is to use a legitimate antivirus and anti-malware solution such as Malwarebytes Premium which not only cleans up viruses but other threats, too. It’s powered by artificial intelligence and machine learning to keep your device safe.

Yes, the best virus scanner will be both a virus removal tool and an anti-malware program such as Malwarebytes for WindowsMalwarebytes for MacMalwarebytes for Android, or Malwarebytes for Chromebook. These cybersecurity solutions scan your computer for viruses, ransomware, and other forms of malware and remove them. You can clean viruses for free with our tool, as well as removing other types of malware. 

If you’re wondering how to remove viruses, you’ve come to the right place. If your device is showing symptoms of a virus, Malwarebytes’ free virus scanner will scan your computer for viruses and remove them. It will perform a fast, free online scan for viruses and let you know if you’ve been infected. If you give your ok, it will then delete viruses and malware.

Macs are still vulnerable to viruses—even though it’s often believed they’re immune. The Mac operating system is more secure against the threat of viruses and malware than Windows, but malware can still sneak in.

The best course of action is to protect your device with antivirus/anti-malware software like Malwarebytes for Mac.

Yes, mobile devices, such as Android devices, can be infected by viruses and the same kind of malware found on PCs. Unfortunately, most users don’t realize this and don’t take steps to protect themselves.

As a result, their online security is compromised, because they aren’t using a solution like Malwarebytes for Android. After performing an Android virus scan, our online virus removal tool will ensure your device is secure and virus-free.

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