Malware Unmasked: How It Works, Spreads, and How to Stop It

Malware is a serious cybersecurity threat that can compromise your devices, steal sensitive data, and disrupt operations. In 2022 alone, there were 5.5 billion malware attacks globally, reflecting a 2% increase from the previous year (StationX). This guide covers what malware does, how to detect it, and how to prevent infections. 

How Malware Works: From Infection to Exploitation

Malware infiltrates your system, allowing cybercriminals to steal data, disrupt operations, and exploit your device for financial gain. Hackers are moving faster than ever, leveraging public exploit code within 48 hours of its release, reducing the time businesses have to defend themselves (SonicWall). With over 10.4 million global malware attacks annually, no one is immune to these threats.

How Does Malware Infect Your Device?

Malware spreads through malicious links, infected websites, email attachments, and software vulnerabilities. These attacks are becoming more sophisticated, especially against Internet of Things (IoT) devices, which saw an 87% year-over-year increase in malware attacks in 2022 (StationX). Because threats are often invisible until it’s too late, proactive security is essential.

6 Signs Your Device is Infected with Malware

1. Slow Performance – Apps and internet browsing are unusually sluggish.
2. Unwanted Pop-ups – Frequent pop-ups or redirects to suspicious sites.
3. Loss of Disk Space – Unexplained decrease in available storage.
4. Unusual Internet Activity – Increased data usage or outgoing traffic.
5. Unfamiliar Toolbars/Plugins – Browser add-ons appear without installation.
6. Software Malfunctions – Programs, especially antivirus software, fail to open or crash unexpectedly.

Cybercriminals launched 6.3 trillion intrusion attempts worldwide in 2022, demonstrating the scale of cyber threats that businesses and individuals face (StationX).

Common Types of Malware

How to Remove Malware

• Run a malware removal tool – Scan and remove malicious files.
• Boot in Safe Mode – Prevent malware from running at startup.
• Delete suspicious applications and files – Uninstall unrecognized software.
• Reset your device (if necessary) – A factory reset may be required for severe infections.

4 Ways to Prevent Malware Infections

1. Use Strong Passwords – Utilize complex passwords and enable multi-factor authentication (MFA). 
2. Keep Software Updated – Cybercriminals exploit outdated software. Always update applications and security patches to fix vulnerabilities. 
3. Secure Your Network – Close unused ports, remove inactive users, and avoid untrusted USBs. 
4. Beware of Phishing Emails – Spam accounts for 45% of all emails sent globally, making email security critical. Don’t open attachments or click links from unknown senders.

Secure Your Business with Mediacom Business

Malware threats are evolving, and even with best practices, businesses remain vulnerable. IoT-based cyberattacks increased 145% in North America, making strong security measures more critical than ever (StationX).
Protect your network with advanced data security from Mediacom Business. We watch the web and work to help protect your business from potential threats, implement defenses, and keep your data secure.
 

📞 Call 877-730-2180 to help safeguard your business today!

👉 Learn More About Advanced Data Security from Mediacom Business

Sources: 
SonicWall 2025 Cyber Threat Report
SonicWall Feb 2025 Threat Actors Are Moving Faster Than Ever: SonicWall Warns SMBs and Highlights the Importance of Not Fighting Alone
Station X Malware Statistics 2025