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Trojan Horse Virus Symptoms

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Lots of desktop pop-ups

Frequent pop-up ads and messages advertise products or say your device is infected.

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Slow computer

Trojans and the malicious software they download take a lot of computer resources, which makes your device run slowly.

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Applications won’t run

Programs won’t run from the Start menu or Desktop—or programs execute that you didn’t start.

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Annoying Internet pop-ups

You get multiple pop-ups the moment you start browsing the Internet.

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Your computer has a mind of its own

Your device turns off, launches applications you didn’t start, or prints documents you never sent to the printer.

Check your devices for Trojans now

How to remove Trojans

Proactively protect your device from future threats with Malwarebytes Premium.

Automatically scans and protects against Trojans.

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Fort Worth, TX

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Sarasota, FL

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Southfield, MI

Trojan horse virus FAQ

What is a Trojan?

Do you need anti-Trojan software?

Are Trojans considered viruses?

How do Trojans spread?

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