Introducing Malwarebytes Privacy

Here at Malwarebytes, we’re no strangers to using virtual private networks VPNs to protect our privacy while browsing online. Regular readers of our blog will remember that we’ve advised on VPN usage on many occasions, whether for mobile device users looking for anonymity or business owners wanti...

Emotet malspam campaign uses Snowden’s new book as lure

Exactly one week ago, Emotet, one of the most dangerous threats to organizations in the last year, resumed its malicious spam campaigns after several months of inactivity. Based on our telemetry, we can see that the botnet started becoming chatty with its command and control servers C2, about a...

Wall Street Market reported to have exit scammed

Around April 20, many users reported that Wall Street Market, a broadly known dark net market, had executed an exit scam, and that any pending orders were unlikely to be completed. Scamming with enterprises involving Bitcoin is not unheard of, and dark net markets with centralized escrow are...

Google’s Nest fiasco harms user trust and invades their privacy

Technology companies, lawmakers, privacy advocates, and everyday consumers likely disagree about exactly how a company should go about collecting user data. But, following a trust-shattering move by Google last month regarding its Nest Secure product, consensus on one issue has emerged: Companies...

What’s the real value—and danger—of smart assistants?

You've heard them called virtual assistants, digital personal assistants, voice assistants, or smart assistants. Operated by artificial intelligence, technologies such as Siri, Alexa, Google Assistant, and Cortana have become ubiquitous in our culture. But what exactly do they do? And how serious...

New Crossrider variant installs configuration profiles on Macs

A new variant of the Crossrider adware has been spotted that is infecting Macs in a unique way. For the most part, this variant is still quite ordinary, doing some of the same old things that we've been seeing for years in Mac adware. However, the use of a configuration profile introduces a uniqu...

You down with P2P? 10 tips to secure your mobile payment app

If you look at the figures, you cannot deny that the eCommerce industry is steadily growing. More and more people are doing their shopping online, not only for products and services geared toward the use of technologies and the Internet, but also for items previously only found in brick and morta...

CyberByte steals Malwarebytes’ intellectual property

At Malwarebytes, we frequently examine apps for detection as Potentially Unwanted Programs PUPs. These are programs that exhibit a wide variety of bad behaviors, but aren't actually outright malware. Unfortunately, there are many supposed antivirus programs that fit this category. Following user...

A week in security (November 13 – November 19)

Last week, we gave you some tips for the inevitable online chaos that is Cyber Monday, explained how "trusted" root certificates can sometimes be anything but, and explored the strange world of catphishing. We also pulled apart some malware found on Google Play and laid out the specifics of the...

A week in security (September 4 – September 10)

Last week, we looked into expired domain names being used for malvertising, delved into dubious Facebook apps, and checked out Chinese seminar scams. We also explained the whys and wherefores of false positives, explained what Google is doing with HTTPs, warned you away from a fake DHS email, and...

Truist bank confirms data breach

On Wednesday June 12, 2024, a well-known dark web data broker and cybercriminal acting under the name "Sp1d3r" offered a significant amount of data allegedly stolen from Truist Bank for sale. Truist is a US bank holding company and operates 2,781 branches in 15 states and Washington DC. By assets...

Ivanti vulnerabilities now actively exploited in massive numbers

Last week we wrote about two vulnerabilities in all supported versions of Ivanti Connect Secure and Ivanti Policy Secure Gateways that were being actively exploited. The researchers that discovered the active exploitation are warning that these attacks are now very widespread. "Victims are global...

QNAP warns about critical vulnerabilities in NAS systems

QNAP has published a security advisory about two critical vulnerabilities that could allow remote attackers to execute commands via a network. One of the vulnerabilities affects the QTS and QuTS operating systems OS for QNAP’s network attached storage systems NAS. The second one can be found in...

Update Chrome now! Google patches critical vulnerability being exploited in the wild

Google has released an update for Chrome Desktop which includes one critical security fix. There is an active exploit for the patched vulnerability, according to Google, which means cybercriminals are aware of the vulnerability and are using it. If youre a Chrome user on Windows, Mac, or Linux, y...

A week in security (August 21 - August 27)

Last week on Malwarebytes Labs: Teenage members of Lapsus$ ransomware gang convicted Update now! Google Chrome's first weekly update has arrived Smart lightbulb and app vulnerability puts your Wi-Fi password at risk Malwarebytes acquires Cyrus Security Ivanti Sentry critical vulnerability--don't...

Update now! Apple fixes several serious vulnerabilities

Apple has released security updates for several products to address several serious vulnerabilities including some actively exploited zero-days. Updates are available for these products: Safari 16.6 | macOS Big Sur and macOS Monterey ---|--- iOS 16.6 and iPadOS 16.6 | iPhone 8 and later, iPad Pro...

A week in security (July 17 - 23)

Last week on Malwarebytes Labs: CISA: You've got two weeks to patch Citrix NetScaler vulnerability CVE-2023-3519 Estee Lauder targeted by Cl0p and BlackCat ransomware groups Google fixes "Bad.Build" Cloud Build flaw, researchers say it's not enough Accidental VirusTotal upload is a valuable...

Time to uninstall! Abandoned Android apps pack a vulnerability punch

Synopsis has published an advisory warning of multiple vulnerabilities across three different Android remote mouse and keyboard apps with a combined install count of about two million. The apps are at risk from remote code execution RCE, and theres no sign of a fix coming anytime, ever. Bleeping...

Education hammered by exploits and backdoors in 2021 and 2022

In May of 2021, education underwent a siege of exploit attempts using the vulnerability CVE-2021-21551, which exploits a Dell system driver bug and helps attackers to gain access to a network. Considering that many schools across the United States use Dell hardware, its understandable to see such...

5 Linux malware families SMBs should protect themselves against

There’s no shortage of reasons why an SMB might use Linux to run their business: There are plenty of distros to choose from, it’s generally free, and perhaps above all — it’s secure. The common wisdom goes that Linux malware is rare, and for the most part this is true. Thanks to its built-in...

Hackers can take over accounts you haven’t even created yet

Account hijacking has sadly become a regular, everyday occurrence. But when it comes to hijacking accounts before they are even created? Thats something youd never think possible—but it is. Two security researchers, Avinash Sudhodanan and Andrew Paverd, call this new class of attack a...

Update now! Multiple vulnerabilities patched in Google Chrome

Google has announced an update for the Chrome browser that includes 32 security fixes. The severity rating for one of the patched vulnerabilities is Critical. The stable channel was promoted to 102.0.5005.61/62/63 for Windows, and 102.0.5005.61 for Mac and Linux. Critical Google rates...

Watch what you send on anonymous SMS websites

Its a good idea to try and keep certain things private. For example, people have been using anonymous email services for years. These either hide your real email address, or replace it entirely for specific tasks. Folks will go one step further, setting aliases for each service they sign up to. I...

Vulnerable WordPress plugin leaves online shoppers vulnerable

The most popular web content management system CMS is WordPress, which is used by more than 30% of all websites. By extension, the most popular ecommerce platform in the world is WooCommerce, a plugin that turns a WordPress website into an online shop. In fact, WooCommerce is so popular that it...

US government and private sector agree to invest time, money in cybersecurity

In the wake of several high-profile ransomware attacks against critical infrastructure and major organizations in the last few months, President Biden met with private sector and education leaders to discuss a whole-of-nation effort needed to address cybersecurity threats and bolster the nation’s...

A week in security (July 19 – July 25)

Last week on Malwarebytes Labs: Stopransomwaredotgov, a one-stop hub for ransomware resources Beware, crypto-scammer seeks foreigner with BLOCK CHAIN ACCOUNT Remcos RAT delivered via Visual Basic US, EU, UK, NATO blame China for “reckless” exchange attacks HiveNightmare zero-day lets anyone be...

Ransomware to be investigated like terrorism

The impact of recent ransomware attacks on vital infrastructure in the US has triggered a reaction from the US Attorney’s office. In an internal guidance it says that all ransomware investigations in the field should be centrally coordinated with a recently created task force in Washington...

“Have I been pwnd?”– What is it and what to do when you *are* pwned

Adobe. Yahoo!. The US Department of Energy DoE. The New York Times. What these names have in common is that they have all experienced at least one breach in 2013—the year when threat actors started targeting organizations across industries to either steal data for profit or leak them to "teach...

A week in security (May 10 – 16)

Last week on Malwarebytes Labs, we watched and reported on the Colonial Pipeline ransomware attack as developments of its story unfolded. This attack triggered the White House to refine a planned Executive Order on cybersecurity. We also profiled DarkSide, the ransomware responsible for the...

A week in security (May 3 – 9)

Last week on Malwarebytes Labs, we discussed how Spectre attacks have come back from the dead; why Facebook banned Instragram ads by Signal; we highlighted the differences between the most popular VPN protocols; pointed out that Google is about to start automatically enrolling users in two-step...

A week in security (March 29 – April 4)

Last week on Malwarebytes Labs, our podcast featured Malwarebytes senior security researcher JP Taggart, who talked to us about why you need to trust your VPN. You’ve likely heard the benefits of using a VPN: You can watch TV shows restricted to certain countries, you can encrypt your web traffic...

Ransomware is targeting vulnerable Microsoft Exchange servers

The Microsoft Exchange attacks using the ProxyLogon vulnerability, and previously associated with the dropping of malicious web shells, are taking on a ransomware twist. Until now, the name of the game has been compromise and data exfiltration, with a bit of cryptomining on the side. To summarise...

Pow! Emotet’s down. Is it out?

In a coordinated action, multiple law enforcement agencies have seized control of the Emotet botnet. Agencies from eight countries worked together to deliver what they hope will be a decisive blow against one of the worlds most dangerous and sophisticated computer security threats. The Emotet...

Chrome wants to make your passwords stronger

A common sentiment, shared by many people down the years, is that storing passwords in browsers is a bad idea. Malware, for example, would specifically target password storage in browsers and plunder everything in sight. Password managers weren’t exactly flying off the shelves back in 2007, your...

Silent Librarian APT right on schedule for 20/21 academic year

A threat actor known as Silent Librarian/TA407/COBALT DICKENS has been actively targeting universities via spear phishing campaigns since schools and universities went back. In mid-September, we were tipped off by one of our customers about a new active campaign from this APT group. Based off a...

The impact of COVID-19 on healthcare cybersecurity

As if stress levels in the healthcare industry weren’t high enough due to the COVID-19 pandemic, risks to its already fragile cybersecurity infrastructure are at an all-time high. From increased cyberattacks to exacerbated vulnerabilities to costly human errors, if healthcare cybersecurity wasnt...

Credit card skimmer masquerades as favicon

Malware authors are notorious for their deceptive attempts at staying one step ahead of defenders. As their schemes get exposed, they always need to go back to their bag of tricks to pull out a new one. When it comes to online credit card skimmers, we have already seen a number of evasion...

A decade in cybersecurity fails: the top breaches, threats, and ‘whoopsies’ of the 2010s

This post was co-authored by Wendy Zamora and Chris Boyd. All opinions expressed belong to your mom. Back in the days before climate change stretched frigid winter months directly into the insta-sweat of summer, there was a saying about March: in like a lamb, out like a lion. The same might be sa...

Spelevo exploit kit debuts new social engineering trick

2019 has been a busy year for exploit kits, despite the fact that they haven't been considered a potent threat vector for years, especially on the consumer side. This time, we discovered the Spelevo exploit kit with its virtual pants down, attempting to capitalize on the popularity of adult...

For Cybersecurity and Domestic Violence Awareness months, we pledge to fight stalkerware

Starting today, two hallmark holidays are upon us. No, it’s not Halloween and Thanksgiving. It’s both Cybersecurity Awareness Month and Domestic Violence Awareness Month. It’s no coincidence these two awareness campaigns overlap. What were once seen as separate realities—the physical and the...

Emotet is back: botnet springs back to life with new spam campaign

After a fairly long hiatus that lasted nearly four months, Emotet is back with an active spam distribution campaign. For a few weeks, there were signs that the botnet was setting its gears in motion again, as we observed command and control C2 server activity. But this morning, the Trojan started...

Facebook’s plain text misstep, and other password sins

Two days after an article by Brian Krebs disclosed that hundreds of millions of Facebook account passwords had been stored in plain text for years, Facebook released a statement indicating they hash and salt passwords, more or less in accordance with industry best practice. Plain text storage of...

A week in security (June 11 – June 17)

Last week on Malwarebytes Labs, we discussed how to protect the online privacy of children, we gave you a spring 2018 overview of exploit kits, rounded up the ongoing discussions about the VPNFilter malware, and discussed the struggles of UK law enforcement with modern-day cybercrime. Other news...

A week in security (January 22 – January 28)

Last week on Labs, we analyzed a rogue app outbreak on Twitter, took a look at how Singapore's government is faring with network defense, and rolled out our 2017 State of Malware report. We also became visionaries in Gartner's Magic Quadrant report and explored a VR data mishap. Other news Man...

Insider threats in your work inbox

Recently, our friends at Barracuda found a new phishing campaign that banks on the popularity of cloud services used in most businesses, such as Microsoft Office 365. According to their blog post, this latest scheme takes advantage of the natural trust employees place on messages they receive fro...

Locky ransomware returns to the game with two new flavors

We recently observed a fresh malicious spam campaign pushed through the Necurs botnet distributing so far, two new variants of Locky ransomware. In our last Q2 2017 report on tactics and techniques, we mentioned that Locky ransomware had reappeared with a new extension, but went dark again for...

EternalPetya and the lost Salsa20 key

We have recently been facing a huge outbreak of a new Petya-like malware armed with an infector similar to WannaCry. The research is still in progress, and the full report will be published soon. In this post, we will focus on some new important aspects of the current malware. The low-level attac...

A WhatsApp bug lets malicious media files spread through group chats

WhatsApp is going through a rough patch. Some users would argue it has been ever since Meta acquired the once widely trusted messaging platform. User sentiment has shifted from “trusted default messenger” to a grudgingly necessary Meta product. Privacy-aware users still see WhatsApp as one of the...

Booking.com phish uses fake CAPTCHAs to trick hotel staff into downloading malware

A new phishing campaign that uses the fake CAPTCHA websites we reported about recently is targeting hotel staff in a likely attempt to access customer data, according to research from ThreatDown. Here's how it works: Cybercriminals send a fake Booking.com email to a hotel’s email address, asking...

Update now! Google Pixel vulnerability is under active exploitation

Google has notified Pixel users about an actively exploited vulnerability in their phones firmware. Firmware is the code or program which is embedded into hardware devices. Simply put, it is the software layer between the hardware and the applications on the device. About the vulnerability, Googl...