PER Antivirus

Fast, Lightweight & Unbreakable Protection Since 1986

Get experience in its most efficient form, which is uncompromising. PER Antivirus defends your computer against worms, Trojan horses, spyware, keyloggers, and other threats in the future – at a very low resource consumption and unparalleled stability with all Windows operating systems.

Advanced Virus Protection

Built for Speed, Trusted for Decades

Over the course of close to 40 years, PER Antivirus has been a worldwide leader in the study, identification, and elimination of viruses. It is designed to perfection and is only 2.2 MB, which is optimized to provide unmatched protection without slackening your system. Protecting your devices against worms, Trojans, backdoors, spyware, keyloggers, malicious scripts, and all other types of attackers since well before the advent of modern cyberattacks, PER Antivirus defends against all types of attacks regardless of the origin, format, or extension.

As opposed to the heavy, resource-intensive security programs, PER Antivirus is developed based on Assembler and MS Visual C++ to guarantee the ultra-fast processing, minimum resource consumption, and maximum compatibility with the systems.

Why PER Antivirus?

Lightweight. Powerful. Proven.

PER Antivirus is among the lightest antivirus applications in the world, and it offers enterprise level security that is trusted by users since 1986. It is compatible with all the Windows operating systems and uses one version on all the devices.

Fast Detection Engine

Its optimized architecture scans threats with a velocity unmatched by other systems and accuracy that is unparalleled in the provision of real-time protection without lag.

Cross-Platform Windows Compatibility

Whether you're using older Windows systems or the latest versions, PER Antivirus remains stable, reliable, and fully compatible.

39+ Years

Protecting users since 1986

2.2 MB

One of the world’s lightest antivirus programs

99% Threat Coverage

Protection against viruses, spyware, Trojans & more

Millions Protected

Trusted worldwide for fast and reliable defense

Our Core Services

Testimonials

“A tiny program with massive power. PER Antivirus saved my system more than once — incredibly fast and reliable.”
Patricia Muler

Tech Engineer

“The best low-resource antivirus I’ve ever used. Perfect for older machines and modern systems alike.”
Nicholas Arimoly

IT Consultant

“Fast scans, strong detection, zero slowdown. Exactly what antivirus should be.”

Dean Statson

Home User

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