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WebNavigator Chromium browser published by search hijackers

A mystery Chromium browser recently made a sudden appearance, and is certainly proving popular. But what is it, and where did it come from? Malwarebytes detects the browser as PUP.Optional.WebNavigator, and we found several clues that this browser was brought to you by a notorious family of search hijackers. That family isn’t new to us—we reported about them before when they changed a … [Read more...]

A week in security (April 13 – 19)

Last week on Malwarebytes Labs, we looked at how to avoid Zoom bombing, weighed the risks of surveillance versus pandemics, and dug into a spot of WiFi credential theft. Other cybersecurity news: Malware creeps back into the home: With a pandemic forcing much of the workforce into remote positions, it’s worth noting that a study found malware on 45 percent of home office networks. (Source: … [Read more...]

Mac adware is more sophisticated and dangerous than traditional Mac malware

As the data revealed in our State of Malware report showed, Mac threats are on the rise, but they are not the same type of threats experienced by Windows users. Most notably, more traditional forms of malware, such as ransomware, spyware, and backdoors account for over 27 percent of all Windows threats. That figure is less than 1 percent for Macs. Further, Mac malware is rather unsophisticated … [Read more...]

Rudy Giuliani’s Twitter mishaps invite typosquatters and scammers

Former cybersecurity czar Rudy Giuliani has been targeted by typosquatters on Twitter, thanks to copious misspellings and other keyboarding errors made in a number of his public tweets. In a tweet sent out on Sunday, Giuliani meant to send his 650,000-plus followers to his new website, RudyGiulianics.com. Instead, a space added after “Rudy” sent users on a redirection quest that … [Read more...]

Malwarebytes Labs releases 2020 State of Malware Report

Malwarebytes Labs today released the results of our annual study on the state of malware—the 2020 State of Malware Report—and as usual, it’s a doozy. From an increase in enterprise-focused threats to the diversification of sophisticated hacking and stealth techniques, the 2019 threat landscape was shaped by a cybercrime industry that aimed to show it’s all grown up and coming after … [Read more...]

A week in security (February 3 – 9)

Last week on Malwarebytes Labs, we looked at Washington state’s latest efforts in providing better data privacy rights for their residents, and we dove into some of the many questions regarding fintech: What is it? How secure is it? And what are some of the problems in the space? We also detailed a new adware family that our researchers had been tracking since late last year and pushed out a … [Read more...]

Adware.Adposhel takes over your web push notifications administration

Since late last year our researchers have been monitoring a new method concerning web push notifications being deployed by an adware family detected by Malwarebytes as Adware.Adposhel. What does Adware.Adposhel change? The adware uses Chrome policies to ensure that notification prompts will be shown and add some of their own domains to the list of sites that are allowed to push web … [Read more...]

Billion-dollar search engine industry attracts vultures, shady advertisers, and cybercriminals

Search engines make money by showing users sponsored advertisements—a lot of money. This attracts attention, competition, and plenty who want a piece of the action without doing the actual work or considering the impact to those on the other end of the search bar. Because in the search business, even the crumbs are interesting. In this post, we look at the ways in which shady advertisers, … [Read more...]

Meet Extenbro, a new DNS-changer Trojan protecting adware

Recently, we uncovered a new DNS-changer called Extenbro that comes with an adware bundler. These DNS-changers block access to security-related sites, so the adware victims can’t download and install security software to get rid of the pests. From our viewpoint, this might be like sending in an elephant to save the mosquito, but the threat actors behind this attack have been known to use … [Read more...]

A week in security (June 10 – 16)

Last week on Malwarebytes Labs, we revealed to readers the mindset of security pros as to why they lack confidence in their ability to prevent their organizations getting breached. We also reported on Maine Governor Janet Mills implementing the state’s own privacy protections, how Apple can better protect its users’ privacy, the continuous trending of the MegaCortex ransomware, how cyberbullies … [Read more...]