Zero-day spells disaster for Bitcoin ATM

Bitcoin ATMs have experienced a severe bout of cash drain after a zero-day bug was exploited to steal a total of $1.5 million in digital currency. The ATMs, located in various convenience stores, function along the lines of regular banking ATMs except your dealings are all in the cryptocurrency...

Chip company loses $250m after ransomware hits supply chain

Applied Materials, one of the worlds leading suppliers of equipment, services, and software for the manufacture of semiconductors, has warned that its second-quarter sales are likely to be hurt to the tune of $250 million due to a cybersecurity attack at one of its suppliers. MKS Instruments Inc...

Key takeaways from Malwarebytes 2023 State of Mobile Cybersecurity

The results of our latest survey on mobile cybersecurity in K-12 and hospitals are in--and its not all peaches and roses. When we talk about endpoint protection, its only natural to only think about the most commonly compromised endpoints like work laptops and servers--but your smartphone isnt of...

TikTok dances to the tune of $5.4m cookie fine

The big social media fines just keep coming. Hot on the heels of Meta experiencing a $277m fine from the Irish Data Protection Commission, its now TikToks turn in the spotlight thanks to a cookie crumble. Can you walk into a huge fine in 2023 for making it difficult to refuse a cookie as easily a...

Windows 11 pulls ahead of Windows 10 in anti-phishing stakes

Some new security additions and changes have been announced for users of Windows, but youll have to be using Windows 11 to get the most out of them. Windows 10 users may find that this is going to be a case of falling behind the herd ever so slightly. Anti-phishing tools Enhanced phishing...

A first look at the builder for LockBit 3.0 Black

A few months after the LockBit gang released version 3.0 of its ransomware, LockBit 3.0 Black, the builder for it has been leaked by what seems to be a disgruntled developer. LockBit has been by far the most widely used ransomware in 2022 and the appearance of the builder could make things worse...

Forced Chrome extensions get removed, keep reappearing

In the continued saga of annoying search extensions we have a new end-of-level boss. Victims have been reporting browser extensions that were removed by Malwarebytes, but “magically” came back later. Since the victims also complained about the message saying their browser was "managed", we had a...

Why you shouldn’t automate your VirusTotal uploads

It is important to realize that uploading certain files to VirusTotal may result in leaking confidential data, which could result in a breach of confidentiality, or worse. We have warned against uploading personal information, as does VirusTotal itself on their home page. But apparently some...

A new rootkit comes to an ATM near you

Its not unusual to hear about malware created to affect automated teller machines ATMs. Malware can be planted at the ATMs PC or its network, or attackers could launch a Man-in-the-Middle MiTM attack. Recently, a new rootkit, which the Mandiant Advanced Practices team have named CAKETAP, was foun...

Valorant cheats on YouTube are actually information-stealing malware

Valorant, the popular free-to-play team based shooter, is attracting the attention of scammers. It’s reported that a malware distribution campaign is leveraging YouTube to push infection files. The campaign distributes a file known for password theft, and hunts for those passwords in browsers,...

WhatsApp hit with €225 million fine for GDPR violations

WhatsApp was hit with a €225 million fine for violating the General Data Protection Regulation GDPR, the European Union’s sweeping data protection law that has been in effect for more than three years. The fine represents the highest ever penalty levied by the Irish Data Protection Commission,...

OSX.XLoader hides little except its main purpose: What we learned in the installation process

Last week, Check Point Research described a new Mac variant of malware they call XLoader. It was identified as being the successor of something called Formbook, a very prevalent threat in the Windows world. According to Check Point, the Mac version of the malware is being "rented" as part of a...

Binance receives the ban hammer from UK’s FCA

Binance, the worlds largest and most popular cryptocurrency exchange network, has had a rough few days. First, Japans financial regulator, the Financial Services Agency FSA, issued its second warning to Binance on Friday, 25 June, for operating in the country without permission The first warning...

Interview with a bug bounty hunter: Youssef Sammouda

Behind the scenes there are many people working in cyber-security that make the internet a safer place. Youssef Sammouda is one of these people. He has submitted at least a hundred reports to Facebook which have been resolved, making Facebook a safer platform along the way. Generally speaking,...

Careers in cybersecurity: Malwarebytes talks to teachers and students

Every year, I take part in talks for universities and schools. The theme is often breaking into infosec. I give advice to teens considering pursuing tech as a further area of study. I explain a typical working day for degree undergraduates. Sometimes I’m asked to give examples of conference talks...

Police credit “unlocked” SKY ECC encryption for organized crime bust

At the moment, I’m really torn, and I need your help. Let me tell you what is going on. I read these statements and they can’t both be true, right? “The continuous monitoring of the illegal Sky ECC communication service tool by investigators in three countries has provided invaluable insights int...

Yandex sysadmin caught selling access to email accounts

Yandex, a European multinational technology firm best known for being the most-used search engine in Russia, has revealed it had a security breach, leading to the compromise of almost 5,000 Yandex email accounts. The company says it spotted the breach after a routine check by its security team...

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...

Malwarebytes targeted by Nation State Actor implicated in SolarWinds breach. Evidence suggests abuse of privileged access to Microsoft Office 365 and Azure environments

A nation state attack leveraging software from SolarWinds has caused a ripple effect throughout the security industry, impacting multiple organizations. We first reported on the event in our December 14 blog and notified our business customers using SolarWinds asking them to take precautionary...

How a VPN can protect your online privacy

Have you ever experienced the feeling of relief that comes when you do something silly, but youre glad you did it where people dont know you? Or maybe you wished you were somewhere like that, but alas… That is what a Virtual Private Network VPN can do for you: it can put you in a place where you...

A week in security (January 4 – January 10)

Last week on Malwarebytes Labs, we released survey results about VPN usage and found that 36 percent of our respondents use it. We also talked about Adobe Flash Player reaching its end of life—meaning, Adobe wont be supporting the updating and patching of its Flash Player software; covered the...

California’s Prop 24 splits data privacy supporters

California’s data privacy house is divided. On the Golden State’s November ballot this year is the question as to whether to amend California’s barely-two-year-old data privacy law, the California Consumer Privacy Act. Far from the first attempt to change the fledgling law, Proposition 24 sets...

SMB cybersecurity posture weakened by COVID-19, Labs report finds

In August, Malwarebytes Labs analyzed the damage caused by COVID-19 to business cybersecurity. Because of immediate, mandated transitions to working from home WFH, businesses across the United States suffered more data breaches, lost more dollars, and increased their overall attack surfaces, all...

‘Just tell me how to fix my computer:’ a crash course on malware detection

Malware. You’ve heard the term before, and you know it’s bad for your computer—like a computer virus. Which begs the question: Do the terms “malware” and “computer virus” mean the same thing? How do you know if your computer is infected with malware? Is "malware detection" just a fancy phrase for...

Threat actors release Troldesh decryption keys

Update: Kaspersky has updated their ShadeDecryptor tool to include decryption for the keys released by "shade team". You can download the tool and find instructions here. A GitHub user claiming to represent the authors of the Troldesh Ransomware calling themselves the “Shade team” published this...

Windows 7 is EOL: What next?

End-of-life EOL is an expression commonly used by software vendors to indicate that a product or version of a product has reached the end of usefulness in the eyes of the vendor. Many companies, including Microsoft, announce the EOL dates for their products far in advance. Every Windows product h...

Fraudsters cloak credit card skimmer with fake content delivery network, ngrok server

Threat actors love to abuse legitimate brands and infrastructure—this, we know. Last year we exposed how web skimmers had found their way onto Amazon's Cloudfront content delivery network CDN via insecure S3 buckets. Now, we discovered scammers pretending to be CDNs while exfiltrating data and...

Android Trojan xHelper uses persistent re-infection tactics: here’s how to remove

We first stumbled upon the nasty Android Trojan xHelper, a stealthy malware dropper, in May 2019. By mid-summer 2019, xHelper was topping our detection charts—so we wrote an article about it. After the blog, we thought the case was closed on xHelper. Then a tech savvy user reached out to us in...

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...

A week in security (November 18 – 24)

Last week on Malwarebytes Labs, we looked at stalkerware’s legal enforcement problem, announced our cooperation with other security vendors and advocacy groups to launch Coalition Against Stalkerware, published our fall 2019 review of exploit kits, looked at how Deepfake on LinkedIn makes for...

Announcing Malwarebytes 4.0: smarter, faster, and lighter

Malwarebytes was founded on the belief that everyone has a fundamental right to a malware-free existence. Every product we make is built on that premise. That’s why we’ve been hard at work on the latest version of Malwarebytes for Windows that not only sports a whole new look, but packs...

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...

Mysterious database exposed personal information of 80 million US households

Word has broken of yet another massive data trove exposed for anyone to see. A research team from vpnMentor discovered an exposed 24GB database hosted on a Microsoft cloud server containing the addresses, income levels, and marital statuses of users within 80 million US households. As we’ve seen...

A week in security (October 1 – 7)

Last week, Malwarebytes welcomed National Cybersecurity Awareness Month by renewing our pledge to do what we do best: offer the best protection for our customers and promote security awareness for all. On Labs, we raised the question of whether it is a good idea to bring your own security or not,...

Phone spampocalypse: fighting back in the age of unwanted calls

When Nigel Guest, then president of the Council of Neighborhood Associations CNA, sent an email with the subject line, “test,” and the small letter “x” in its message body, the city of Berkeley, CA, went into a frenzy. You see, Mr. Guest thought he sent it only to himself, but he actually posted...

Where did the tech support scam blacklist go?

For about five years, we've maintained a blacklist of recognized tech support scammers, along with websites and phone numbers they might use to contact victims. The blacklist was part of our Tech support scams: help and resource page, which tells readers how scams work, what tricks to look out fo...

Alleged creator of Fruitfly indicted for 13 years of spying

Way back at the start of last year, we took a look at something called Fruitfly, a Mac backdoor using old code that had been around for a long time and could deep breath upload files to computers, record images and video, snoop around in victims' information, take screenshots, and also log...

A week in security (September 25 – October 01)

Recently, we talked about the hacking incident at Deloitte, one of the 'big four' global accounting firms. It was reported that client email addresses, usernames, and passwords were exposed. This also brought to light weaknesses in their policies and lack of threat intelligence to recover leaked...

A week in security (September 11 – September 17)

Last week, we dug into phishing campaigns done via Linkedin accounts, remediation versus prevention, issues with smart syringe pumps, and advised you to go patch against a Word 0day. We had some tips regarding identity theft protection, explored crowdsourced fraud, and explained YARA rules...

OpenAI explains how its AI agent breached Hugging Face

On July 28, OpenAI published an update on the agent that escaped its sandbox and hacked into Hugging Face during an internal cybersecurity evaluation. In the update, OpenAI reiterates that the “rogue” system was a more capable, pre‑release research model, not something intended for public...

Shark vacuum flaw exposes cameras, home maps and Wi-Fi passwords

Shark’s cloud-connected robot vacuums are currently exposed by an unpatched AWS Amazon Web Services IoT Internet of Things policy flaw that could turn one compromised device into a remote-control skeleton key for many others in the same region, with access to cameras, maps, and Wi‑Fi passwords. A...

A week in security (June 22 – June 28)

Last week on Malwarebytes Labs: Malware steals Chrome session cookies to take over your accounts Beware of "Parcel Expert" job offers: They’re parcel mule scams Update Chrome to patch critical browser security flaws Fake domain renewal emails trick website owners into paying scammers Elite networ...

Firefox 151 packs big privacy upgrades into a small update

Mozilla has published release notes for Firefox browser version 151.0, and this update includes several genuinely meaningful privacy and security improvements. Three changes stand out in particular: Stronger anti‑fingerprinting Broader protection for local network access More control over private...

A week in security (April 27 – May 3)

Last week on Malwarebytes Labs: 3 easy-to-miss cybersecurity risks for small businesses Actively exploited cPanel bug exposes millions of websites to takeover More PayPal emails hijacked to deliver tech support scams Hackers stole hundreds of thousands of Roblox accounts: Here’s what to do...

Ransomware hiding in fake AI, business tools

Artificial intelligence AI and small business tools are being abused as smokescreens to hit unsuspecting victims with ransomware. In the masquerade campaigns discovered by Cisco Talos, cybercriminals hid malware behind software and install packages that mimicked the websites or names of the lead...

“Sad announcement” email implies your friend has died

Tech support scammers are again stooping low with their email campaigns. This particular one hints that one of your contacts may have met an untimely end. It all starts with an email titled “Sad announcement” followed by a full name of someone you know. The email may appear to come from the perso...

How to check if your data was exposed in the AT&T breach

AT&T has notified US state authorities and regulators about its recent or not data breach, saying 51,226,382 people were affected. For those that have missed the story so far: Back in 2021, a hacker named Shiny Hunters claimed to have breached AT&T. On March 20, 2024, we reported how the data of...

One year later, Rhadamanthys is still dropped via malvertising

It was just a little over a year ago that the Rhadamanthys stealer was first publicly seen distributed via malicious ads. Throughout 2023, we observed a continuation in malvertising chains related to software downloads. Fast forward to 2024 and the same malvertising campaigns are still going on...

FBI and CISA publish guide to Living off the Land techniques

The Cybersecurity and Infrastructure Security Agency CISA, National Security Agency NSA, Federal Bureau of Investigation FBI, and other authoring agencies have released a joint guidance about common living off the land LOTL techniques and common gaps in cyber defense capabilities. Living Off The...

SEC X account hacked to hawk crypto-scams

We have seen several high-profile accounts that were taken over on X formerly Twitter only to be used for cryptocurrency related promotional activities, like expressing the approval of exchange-traded funds ETFs. The latest victim in this line-up is the Securities and Exchange Commission SEC. The...