What's the main cause of ransomware attacks?

Most ransomware attacks begin with social engineering tactics, such as phishing emails, malicious attachments, deceptive links, or fake software downloads, with attackers relying on human error to get device access. In some cases, ransomware also spreads through unpatched software vulnerabilities or poorly secured remote access services.

Can ransomware spread through Wi-Fi?

Yes, ransomware can spread across a Wi-Fi network, especially if connected devices share files, use weak passwords, or run outdated software with known vulnerabilities. Once one device is infected, attackers or malware may attempt to move laterally across the network and compromise other connected systems.

How do I know if I have ransomware?

The clearest sign of ransomware is a ransom note or payment demand appearing on your screen after files become inaccessible. You may also notice files suddenly changing, failing to open, or being encrypted. In some cases, your first warning sign might be security software like Norton AntiVirus Plus notifying you that it has detected and blocked ransomware activity before the attack is fully executed.

Can ransomware be removed?

Ransomware itself can often be removed using security software or by wiping and reinstalling the affected system. However, removing the malware does not automatically restore encrypted files. Data recovery usually requires clean backups or, in some cases, a trusted decryptor tool created for a specific ransomware strain.

Does antivirus software stop ransomware?

Yes, modern antivirus and endpoint security tools can help block ransomware, before files are encrypted. The best solutions use real-time monitoring, behavioral analysis, and ransomware-specific protections to detect suspicious activity. Keeping your security software fully updated is important for recognizing and responding to emerging ransomware strains.

What is a ransomware attack? How it works and prevention tips

Search
Start typing to see suggestions.
Sign in Sign in
Download services by signing in to your account.

Argentina

Brasil

Canada (English)

Canada (Français)

Caribbean (English)

Caribe (Español)

Chile

Colombia

Costa Rica

Ecuador

El Salvador

Guatemala

Hispanoamérica

México

Panamá

Perú

Puerto Rico (English)

United States

Uruguay

Venezuela

België (Nederlands)

Belgique (Français)

Česko

Danmark

Deutschland

España

Estonia (English)

France

Iceland (English)

Ireland (English)

Israel (English)

Italia

Latvia (English)

Lithuania (English)

Luxembourg (Français)

Magyarország

Nederland

Norge

Österreich

Polska

Portugal

România

Schweiz (Deutsch)

Suisse (Français)

Svizzera (Italiano)

South Africa

Suomi

Sverige

Türkiye

United Arab Emirates (English)

United Kingdom

Ελλάδα

Россия

Australia

Cambodia (English)

Hong Kong (English)

香港

India (English)

Indonesia (English)

Malaysia (English)

New Zealand

Philippines (English)

Singapore (English)

Thailand (English)

Vietnam (English)

대한민국

中国

台灣

日本

Get Norton AntiVirus Plus

2026

Advanced+

Malware Protection

2026

Top Rated Product

Products

Services & Support

About

Norton is part of Gen – a global company with a family of trusted brands.

Copyright © 2026 Gen Digital Inc. All rights reserved. Gen trademarks or registered trademarks are property of Gen Digital Inc. or its affiliates. Firefox is a trademark of Mozilla Foundation. Android, Google Chrome, Google Play, and the Google Play logo are trademarks of Google, LLC. Mac, iPhone, iPad, Apple, and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Microsoft and the Windows logo are trademarks of Microsoft Corporation in the U.S. and other countries. The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License. Other names may be trademarks of their respective owners.

About Gen Newsroom Partner with us Careers Legal Privacy Security Terms of Use Accessibility Services status Your privacy choices

Contents

Want more?

Contents

Related articles

Want more?