5 signs your computer or tablet might have a malware infection

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5 signs your computer or tablet might have a malware infection

As a computer user, you’re well aware that computers can be temperamental at times. It will be working fine one minute and then suddenly slow down, glitch, sputter or crash, and then be working fine again a few minutes later.

In most cases, this comes down to a momentary hiccup in the software, which is why rebooting a computer fixes so many problems. It could also be another software or hardware problem you can fix yourself, if you know what to do. However, it might go deeper.
Your computer woes could be the result of a nasty virus. How can you tell? Here are five of the most common symptoms of computer viruses. If your computer shows one or more of these, you’re probably infected.

1. Pop-up ads

Running into a pop-up ad while you’re surfing used to be a serious annoyance, but modern browsers include pop-up protection to keep these annoyances away on most sties. If you’re still seeing regular pop-ups on more than one site, it could just be a badly-configured browser.

However, if pop-ups are coming at you when your browser isn’t even open, it’s likely you have a virus. This is especially true if the pop-ups advertise some magic cure-all to your “virus woes”

If you are bombarded with pop-up ads, first run a scan with anti-spyware software to double-check.

2. Messages you didn’t send

Most viruses have one goal in mind once they infect your computer: to spread the virus as far as possible. An easy way to do that is to send messages to as many of your friends as possible in hopes they’ll get infected, too.

These messages can show up anywhere. The virus might try to send out spam through your email account. It could take control of your Facebook or Twitter and send out spam, too. In almost all cases, it will include a link or attachment to the virus somewhere in the post.

Keep an eye on your email’s “sent” folder and on your social network posts. If you notice emails and posts that you don’t remember sending or posting, it’s likely that you have a virus. Here is what you need to know to take your account back.
3. You’re locked out of your computer

You’re surfing the Web when suddenly a scary message appears saying you’re locked out of your computer. It may claim to be from law enforcement or an anonymous blackmailer.

Either way, the program is lying. What’s really happening is that a virus is blocking important programs from running, or even encrypting your files so you can’t get to them. The scam is trying to make you pony up some cash to get your computer back. That’s why it’s commonly called “ransomware.”

Didn’t know there were different kinds of viruses?

Ransomware is no joking matter, which is why you need to be prepared in advance.

4. Programs and tools are out of reach

More often than not, a computer user will rely on one simple command when their computer starts misbehaving: Ctrl + Alt + Del. The “three-finger salute” opens up Task Manager, which can tell you so much about your computer.
A virus might block any number of programs or utilities to try to protect itself. This is where deep-cleaning anti-malware software like Malwarebytes will shine. It goes much deeper than most anti-virus software to clean out your computer. Plus, it has a feature that helps it get around viruses that block popular anti-virus programs from running.
5. You’re not seeing any symptoms at all

No news isn’t always good news when it comes to viruses. Powerful viruses can hide deep in your computer without raising any red flags. They’ll just go about their business without you even knowing they’re there.

Just because you don’t notice them doesn’t mean they aren’t dangerous, though. They could be snagging your passwords, sensitive files or other vital information from your computer. The virus could be using your computer to spread to other computers or even attack banks and other organizations.

The only clue in this case might be a slower Internet connection since the virus is using it.

Your computer’s processor and memory could also be running really high for no good reason.

I do know some people who don’t bother installing security software because their computer doesn’t seem to have a problem. If that’s you, let me tell you that you probably do have a virus. Every computer user, even Mac users, needs security software running at all times.

Thanks to Kim Komando for this article

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