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You can download and install the program for free from Malwarebytes' own website. If your anti virus doesn't pick up the problem, Malwarebytes Free Anti-Malware offers another set of eyes. If you're running a laptop, ensure that it's plugged into the mains so it doesn't run out of power part-way through the scan. If there are any threats lurking on your system, this process ought to spot them. Once the update has run, perform a full system scan. Most security software suites have an 'Update' button or similar, and clicking this will prompt the software to update against the latest threats and viruses. If you think you have a virus infection, even before running a scam, the smartest thing to do is to update your antivirus database. Security packages on your computer offer good protection, but they need updating regularly to make sure they know the latest malware and viruses doing the round. Want to make sure your computer is protected? Read our Which? reviews of the best antivirus software. There are steps you can take to improve your existing security software, such as updating it to include the latest malware fingerprints, but there are free tools online to help your peace of mind, acting as a safety net in case your original anti-virus protection lets you down.
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Obviously, your antivirus package is a good starting point, but given that it missed the problem in the first place, you might want a second opinion. If you find your computer has a virus, or other malware, the first thing you'll want to do is get rid of it.
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