French Police Defeat Retadup Botnet Infecting 850,000 Computers

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French police have defeated a botnet that infected over 850,000 computers. It was created with the Retadup malware. With the help of a web host, they cloned the command & control server and used it to disinfect the zombie computers.

“The malware authors were mostly distributing cryptocurrency miners, making for a very good passive income,” the security company said. “But if they realized that we were about to take down Retadup in its entirety, they might’ve pushed ransomware to hundreds of thousands of computers while trying to milk their malware for some last profits.”

Last Month Google Play Had 205 Malicious Apps With Over 32M Installs

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In July alone, Google Play had 205 malicious apps with over 32 million installations, most of them containing hidden ads.

The bulk of the suspicious software – 188 to be exact – contained hidden ads, accounting for 19.2 million installs. The rest of the offenders fell under the categories of subscription scam, ad fraud, stalkerware, fake apps, fake antivirus tools, adware droppers, and software with built-in backdoors, according to data compiled by ESET malware researcher Lukas Stefanko.

How to Reset Google Chrome Back to Its Defaults

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Google Chrome icon.

Google Chrome has a nifty way to reset a lot of its options to their defaults, from what your startup page is to your enabled extensions. This is incredibly helpful if you’ve managed to get some adware installed within that browser! We’ve got the cleanup details in today’s Quick Tip.

macOS: How to See Where a Download Came From

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So you’ve downloaded files to your Mac. What’s an easy way to see where they came from if you forget? Or how can you tell where your dad got that pirated copy of Microsoft Office? In today’s Quick Tip, we’ll tell you how to see that info…and maybe help you call out your dad’s terrible computing habits.