STOPzilla is now part of RealDefense product portfolio. Learn More
AntiVirus 8.0 Screenshot

New Powerful Version
STOPzilla AntiVirus 8.0

  • Active scanning removes malware and prevents new infections.
  • Enhanced web filter helps protect against malicious sites.
  • Uncomplicated and Easy to Use
Download NowCompatible with Windows 10, 8, 7, Vista
STOPzilla AntiVirus Software

Exceptional security protection; stops viruses & malware fast

Get Protected

Download 15-Day Free Trial

STOPzilla AntiMalware Software

The ultimate malware remover and spyware remover

Get Protected

Download 15-Day Free Trial

AntiVirus Technology

STOPzilla AntiVirus is the premier AntiVirus/AntiMalware product in the industry. It can operate as your primary defense against Viruses, Malware, and other threats... Learn More

AntiMalware Technology

STOPzilla AntiMalware is powered by one of the first AntiMalware/AntiSpyware engines on the market, providing you with superior protection... Learn More

Protecting Computers Since 2001

STOPzilla has been downloaded millions and millions of times over and has been protecting customers' devices since inception in 2001.

Backed by RealDefense LLC

RealDefense LLC is an Internet Security Solutions provider offering virus and malware protection for PCs and Android-based devices.


How Do Computer Viruses Work?

Computer viruses are malicious programs that hog system resources and execute undesirable functions. There are many types of computer viruses, and they each work differently in the ways they replicate... Read More

How Does Malware Work?

Malware, short for malicious software, is mostly created by criminals to steal personal information from computers or by hackers who are searching for fame by taking down a computer or disrupting... Read More

STOPzilla Reviews

I've been a Stopzilla user for over ten years now! I started using Stopzilla when I was a certified IP telephony vendor. No other company that I dealt with provided the level of customer service that Stopzilla does... and with a bundled service of anti-virus, malware protection, and great interface. Great job folks.
- Mark A

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Hours of Operation: Monday-Friday 9AM-10PM, Saturday-Sunday 9AM-6PM EST