IT Support Services - Nelson / Tasman » Virus Removal and Prevention

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ESET Internet Security

There are many differant types of computer viruses. Some viruses can be hard to spot as some give no noticable warning at all, others will continually bombard you with pop-ups. Once installed they hide on your computer and can be differcault to find and remove. We have the right tools and had years experience to be able to be able to do this.

Common Symptoms of Computer Viruses can include:

  • Popup windows with links to malicious websites.
  • Your web browser home page unexpectedly changes.
  • Outbound emails to your contact list or people on your contact list alert you to strange messages.
  • The computer crashes often, runs out of memory or blue screens regularly.
  • Slow computer performance even when running few programs.
  • Unknown programs start when the computer boots or when you open specific programs.
  • Passwords change without your knowledge or your interaction on the account.


Malware or malicious software is software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system.

Trojan Horse Viruses

Trojans are a type of malware that tricks you into downloading it. That's why it's important to only download from trusted sites and be careful what you click on. If you are unsure then it's best to ask someone that knows. Sites that offer free games etc may give you more than you expect.


Spyware sits silantly in the background monitors your activity, and steals sensitive information like bank details and passwords. It then and sends it on to criminals that can use it to steal money or scam you.

Browser Hijacks

Browser Hijacks take over your Internet searches, sends you notifications, changes your home page, inserts pop-ups or redirect you to pages you didn’t even want to visit. These are ofen caused by browser extentions.


Ransomware is a type of malware that threatens to publish or blocks access to data. This is usually done by encrypting it. The ransom demand often comes with a deadline. If the victim doesn’t pay in time, the data is gone forever or the ransom increases.


Botnets or “robot network,” are networks of infected computers under the control of single attacking parties using command-and-control servers. Botnets are highly versatile and adaptable, able to maintain resilience through redundant servers and by using infected computers to relay traffic. Botnets are often the armies behind today's distributed denial-of-service (DDoS) attacks.

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