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Syntoms System Infected, Virus or Malware

A computer virus is much like the human version in that it's purpose is to spread from system to system, replicating itself all the while causing damage to each infected host. Users are often advised to use an antivirus to check if their systems are infected, but with the current cyber-crime scenario, this is simply not enough. The increasing number of Internet users worldwide creates an equal (or larger) number of opportunities for cyber criminals to take advantage of our systems.

Check your computer for the symptoms below to make sure it is secure and not at risk from a virus. Here are some signs that may indicate that your system may have been infected.

The occurrence of random pop-ups, noises or music. There are all types of pop-ups and messages on the desktop either advertising things, saying that the PC is infected and needs protection… This is a typical, surefire case of an infection. In this particular case, the main issue is created not only by the numerous pop-up windows that affect your Internet navigation, but also because it is quite difficult to remove them from the system.

Random files and icons appearing on your desktop or other places when you did not install such things. Files and icons which were on your system before have disappeared without you having uninstalled or moved them.

A high number of unusual error messages occurring. If your programs or your system crash constantly or the infamous BSOD (Blue Screen of Death) appears regularly, it’s a clear warning that your system is not working properly and you should look into it.

On screen text, graphics, pop-ups and dialogs become distorted or unreadable.

Hard disks, cd/dvd-drives or other hardware components can no longer be accessed. If you notice that your disk continues to exhibit excessive activity even when you don’t use it and there is no program or download running at that moment, this could be the right time to check your system for malware.

Applications are no longer accessible with passwords when you have not changed the password.

Your system becomes extremely slow or constantly freezes. If it has been infected by a virus, worm or Trojan, among other things, which are running on the computer, they could be running tasks that consume a lot of resources, making the system run more slowly than usual. It is a known fact that malware has the tendency to slow down your operating system, your Internet speed or the speed of your applications. Programs which worked properly before run slowly or do not run at all.

Your system crashes and reboots every few minutes or simply will no longer boot at all.

High Network Activity: There are cases where the user is not connected to the Internet through his browser, and there is no program that may connect to online servers to download or upload any data,  but high network activity can still be observed.

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