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What are the signs malware has infected your computer?

The most common signs that malware has infected your computer include a sudden and significant slowdown in performance, frequent and unexpected pop-up ads, and your web browser redirecting to websites you didn’t intend to visit. You might also notice your antivirus software has been disabled, or new, unfamiliar programs have appeared on your system without your permission.

If you’re experiencing these issues and are worried about your data’s security, it’s best to get a professional clean. For expert malware and virus removal, contact Mobile Phones Repair & Data Recovery by Square Dimension.

Top 7 Signs Your Computer is Infected

Malware can range from annoying adware to dangerous spyware. If you notice any of the following behaviours, it’s a strong indication that your computer’s security has been compromised.

1. Your Computer is Suddenly Very Slow

This is the most common symptom. If opening programs, saving files, or even booting up takes much longer than it used to, it could be a sign that malware is running in the background, consuming your computer’s resources (CPU and RAM).

2. A Flood of Pop-Up Ads

If you’re being bombarded with pop-up advertisements, even when your web browser is closed, you likely have a form of malware called “adware.” These pop-ups are often difficult to close and can lead you to more malicious sites.

3. Browser Hijacking and Redirects

Your web browser’s homepage has changed on its own, or you have new toolbars or extensions you don’t recognise. When you try to search for something on Google, you get redirected to a different, unfamiliar search engine.

4. Frequent Crashes or Error Messages

Your computer starts freezing, or you see the “Blue Screen of Death” (on Windows) much more frequently. Malware can corrupt essential system files, leading to instability and crashes.

5. Unfamiliar Programs on Your Desktop

You notice new icons on your desktop or programs in your Start Menu that you have no memory of installing. These are often bundled with other software downloads and can be malicious.

6. Your Antivirus Software is Disabled

You try to open your antivirus or security software, but it won’t run, or you find that its real-time protection has been turned off without your consent. Many advanced forms of malware will disable security software first to protect themselves.

7. Suspicious Network Activity

Your internet connection seems unusually slow, and the activity light on your modem or router is blinking constantly, even when you’re not actively using the internet. This could be malware sending your personal information out over the web.

What to Do if You Suspect an Infection

If you suspect your computer is infected, it’s important to act quickly to protect your data.

  • Disconnect from the internet to prevent the malware from communicating with its servers.
  • Attempt a full system scan with a reputable and updated antivirus program.
  • Do not enter any passwords or access sensitive sites like online banking until you are sure the system is clean.

Some malware is designed to be persistent and very difficult for standard antivirus software to remove completely. We use specialised tools to perform a thorough system clean, removing all traces of the infection and ensuring your security is restored.For professional virus and malware removal in the Bentleigh and Melbourne area, please contact Mobile Phones Repair & Data Recovery by Square Dimension.