Ransomware review: February 2024

This article is based on research by Marcelo Rivero, Malwarebytes ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...

A week in security (January 29 – February 4)

Last week on Malwarebytes Labs: CISA: Disconnect vulnerable Ivanti products TODAY FBI removes malware from hundreds of routers across the US "You have blood on your hands." Senate Committee calls for action by social media giants to protect children online Tax season is here, so are scammers Moth...

How to lock out your ex-partner from your smart home

Stalkers can use all kinds of apps, gadgets, devices, and phones to spy on their targets, which are often their ex-partners. Unfortunately, while they no doubt have many positive uses, smart home devices give stalkers an array of tools to keep an eye on their targets. If you are the partner that...

A true tale of virtual kidnapping: Lock and Code S05E02

This week on the Lock and Code podcast… On Thursday, December 28, at 8:30 pm in the Utah town of Riverdale, the city police began investigating what they believed was a kidnapping. 17-year-old foreign exchange student Kai Zhuang was missing, and according to Riverdale Police Chief Casey Warren,...

A week in security (January 1 – January 7)

Last week on Malwarebytes Labs: Police investigate sexual assault on an avatar How AI hallucinations are making bug hunting harder Explained: SMTP smuggling Facebook introduces another way to track you – Link History 23andMe blames "negligent" breach victims, says it’s their own fault Microsoft...

Microsoft disables ms-appinstaller after malicious use

In what might be conceived as one of Microsoft’s new year resolutions, it has disclosed that its turned off the ms-appinstaller protocol handler by default. The change is designed to make installing apps easier, but it also makes installing malware easier. Typically, an app needs to be on a devic...

Windows 10 gets its own extended security updates program

The day that Windows 10 machines will get their last security updates is set for October 14, 2025. So if you want to stay secure, you’d have to upgrade to a newer version. Either to Windows 11, which is not all that different, but more demanding when it comes to system requirements. Or to the...

23andMe says, er, actually some genetic and health data might have been accessed in recent breach

In October we reported that the data of as many as seven million 23andMe customers were for sale on criminal forums following a password attack against the genomics company. Now, a filing with the US Securities and Exchange Commission SEC has provided some more insight into the data theft. The...

Ragnar Locker ransomware group taken down

Even though it had a long run for a ransomware group, it seems the bell might be tolling for Ragnar Locker. On October 19, 2023, the group’s leak site was seized by an international group of law enforcement agencies. The take down action was carried out between 16 and 20 October. During the actio...

TikTok flooded with fake celebrity nude photo Temu referrals

Sites and apps frequently gamify their products and experiences to grow their user base. Its a relatively easy way to have their customers become more involved thanks to whatever incentives may be on offer. A game here, a rewards program there, and everyone is happy. Well, almost everyone. If...

Microsoft Teams used to deliver DarkGate Loader malware

Researchers have found a new method by which cybercriminals are spreading the DarkGate Loader malware. Until now, DarkGate was typically distributed via phishing emails. The malspam campaign used stolen email threads to lure victims into clicking a hyperlink, which downloaded the malware. But...

Re-air: What teenagers face growing up online: Lock and Code S04E19

This week on the Lock and Code podcast... In 2022, Malwarebytes investigated the blurry, shifting idea of "identity" on the internet, and how online identities are not only shaped by the people behind them, but also inherited by the internets youngest users, children. Children have always inherit...

DarkGate reloaded via malvertising and SEO poisoning campaigns

In July 2023, we observed a malvertising campaign that lured potential victims to a fraudulent site for a Windows IT management tool. Unlike previous similar attacks, the final payload was packaged differently and not immediately recognizable. The decoy file came as an MSI installer containing an...

Catching up with WoofLocker, the most elaborate traffic redirection scheme to tech support scams

Back in January 2020, we blogged about a tech support scam campaign dubbed WoofLocker that was by far using the most complex traffic redirection scheme we had ever seen. In fact, the threat actor had started deploying infrastructure in earnest as early as 2017, about 3 years prior to our...

OpenSSH trojan campaign targets Linux systems and IoT devices

Poorly configured Linux and Internet of Things IoT devices are at risk of compromise from a cryptojacking campaign, according to researchers at Microsoft. The attacks, which involve brute forcing a way into a system, are designed to profit from mining in illicit fashion for cryptocurrency. Once t...

6 tips for a cybersecure honeymoon

You've done it, you've got married. The big day is over, and while you're relaxing on honeymoon you definitely don't want to get distracted by security problems. So, we rounded up some quick tips to keep you safe. Refrain from posting on social media about your honeymoon. This is good practice...

Ransomware attackers email bemused students as leverage for a payout

The University of Manchester has fallen victim to a ransomware gang, who are currently applying an interesting twist to their attack. Blackmail and pressure are two ways to extract funds from potential victims. We see this in sextortion cases, as well as in social engineering. Here, the fraudster...

Phishing scam takes $950k from DoorDash drivers

A particularly nasty slice of phishing, scamming, and social engineering is responsible for DoorDash drivers losing a group total of around $950k. DoorDash drivers are contractors who pick up food deliveries from stores and restaurants and deliver the products to the customer. A 21 year old man...

LockBit ransomware advisory from CISA provides interesting insights

The US Cybersecurity and Infrastructure Security Agency CISA, Federal Bureau of Investigation FBI, Multi-State Information Sharing and Analysis Center MS-ISAC, and the cybersecurity authorities of Australia, Canada, United Kingdom, Germany, France, and New Zealand CERT NZ, NCSC-NZ have all...

Former TikTok exec: Chinese Communist Party had "God mode" entry to US data

A former executive at TikToks parent company ByteDance has claimed in court documents that the Chinese Communist Party CCP had access to TikTok data, despite the data being stored in the US. The allegations were made in a wrongful dismissal lawsuit which was filed in May in the San Francisco...

A week in security (May 8-14)

Last week on Malwarebytes Labs: The rise of "Franken-ransomware," with Allan Liska: Lock and Code S04E11 Ransomware review: May 2023 Brightline breach hits at least 964,000 people, US records show Ransomware attack on MSI led to compromised Intel Boot Guard private keys Fake system update drops...

How to spot and avoid a tech support scam

Despite the occasional arrests and FTC fines for tech support scammers TSS and their henchmen, there are still plenty of cybercriminals active in this field. Scams range from unsolicited calls offering help with your "infected" computer to fully-fledged websites where you can purchase heavily...

Ransomware attack on MSI led to compromised Intel Boot Guard private keys

On April 7, 2023 MSI Micro-Star International released a statement confirming a cyberattack on part of its information systems. While the statement does not reveal a lot of tangible information, this snippet is important: "MSI urges users to obtain firmware/BIOS updates only from its official...

World Password Day must die

The continued existence of World Password Day is a tell that something has gone badly wrong in cybersecurity. Now in its tenth year, the day is supposed to act as an annual reminder for people to follow good password hygiene: Dont reuse passwords; use long passwords; no, longer passwords than tha...

Google takes CryptBot to the wood shed

Google is in the midst of a legal campaign designed to take down the creators of a very persistent piece of malware called CryptBot. This malware, which Google claims compromised roughly 670k computers, set about infecting users of the Chrome browser. Unfortunately for the malware campaign...

Adult content malvertising scheme leads to clickjacking

Malwarebytes researchers have found a malvertising scheme that leads to clickjacking. Clickjacking is a form of ad fraud which is also referred to as click fraud or click spam. It is a practice performed by certain dubious advertising networks, where they sometimes use automated programs--from...

A week in security (April 17 - 23)

Last week on Malwarebytes Labs: Fake Chrome updates spread malware Woman tracks down and turns table on Airbnb scammer Update Chrome now! Google patches actively exploited flaw Beware: Fake IRS tax email wants your Microsoft account Ransomware in Germany, April 2022 - March 2023 Living Off the La...

What your peers said: G2 comparison of top Endpoint Security vendors

Navigating the world of endpoint security is challenging, with numerous vendors stoking FUD and making bold claims that are difficult to verify. In times like these, the honest opinions of real users are invaluable for busy IT teams. Enter G2, an industry-leading peer-to-peer review site. Each...

BreachForums to be shut down after all for fear of law enforcement infiltration

On March 15, 2023 US law enforcement arrested a man from New York who was accused of being the administrator of BreachForums, a well-known and probably the largest Dark Web marketplace for stolen data to be leaked and sold. At first, a new administrator rose to the occasion and said they were...

LockBit ransomware attacks Essendant

The LockBit ransomware group is claiming responsibility for taking down a US-based distributor of office products called Essendant. This attack, which is said to have begun on or around March 6, created severe ramifications for the organisation, disrupting freight carrier pickups, online orders,...

Ransomware review: March 2023

This article is based on research by Marcelo Rivero, Malwarebytes' ransomware specialist, who builds a monthly picture of ransomware activity by monitoring the information published by ransomware gangs on their Dark Web leak sites. This information represents victims who were successfully attacke...

TikTok car theft challenge: Hyundai, Kia fix flaw

Car manufacturer Hyundai, and its subsidiary Kia, began rolling out a free software update on February 14, 2023, to address a flaw in their anti-theft software, which was highlighted in a social media challenge. The release of the update came nine months after an uptick in car theft of the affect...

Beware fake Facebook emails saying "your page has been disabled"

Facebook users need to be on their guard for bogus emails claiming to be from Facebook, that tell users their account has been disabled. The emails make use of the classic "apply some pressure" tactics so beloved of scammers everywhere. A missive that makes you shrug wont get you clicking bogus...

40% of online shops tricking users with “dark patterns”

The European Commission has been looking at retail websites to see if they're misleading consumers with "dark patterns". Spoiler: Yes, they are. The Commission, along with the national consumer protection authorities of 23 EU member states, plus Norway and Iceland, have released the results of...

VASTFLUX ad fraud massively affected millions of iOS devices, dismantled

Researchers have successfully dismantled a massive ad fraud campaign they stumbled upon by accident. The Satori Threat Intelligence and Research Team dubbed the campaign VASTFLUX, a portmanteau of "fast flux"--an evasion technique involving the constant changing of IP addresses behind a single...

"Untraceable" surveillance firm sued for scraping Facebook and Instagram data

Days after Meta achieved victory after suing the NSO Group for Computer Fraud and Abuse Act charges, Meta filed a lawsuit against surveillance company Voyager Labs for violations of its Terms and Policies and California law. According to court documents, Voyager Labs created 38,000 fake accounts ...

5 must-haves for K-12 cybersecurity

Over the years, cyberattacks on K-12 schools and districts have steadily increased, and in 2022 that trend only continued. In the first half of 2022 alone, the education sector saw an average of almost 2,000 attacks every week--a 114% increase compared to two years ago. The tight budgets of many...

A week in security (January 1 - 8)

Last week on Malwarebytes Labs: Why does technology no longer excite us? Lock and Code S04E01 New device? Here's how to safely dispose of your old one LastPass updates security notice with information about a recent incident Okta breached last month, no customers compromised Update VPN Plus Serve...

New device? Here's how to safely dispose of your old one

Until recently I had two old phones, one tablet and about 20 hard drives in storage that I was afraid to give up for recycling, or to pass on to someone that could use them. I wanted to dispose of them, but knowing how easy it is to retrieve data--such as personally identifiable information--even...

Is an outsourced SOC worth it? Looking at the ROI of MDR

In the turbulent world of cybersecurity, one thing is for certain: Threats are evolving in ways that make them harder for organizations to predict--and stop. For businesses with scarce security staff resources and disconnected, complex toolsets, keeping up with todays cyberthreats is even harder...

Security advisories are falling short. Here's why, with Dustin Childs: Lock and Code S03E25

Decades ago, patching was, to lean into a corny joke, a bit patchy. In the late 90s, the Microsoft operating system OS Windows 98 had a supportive piece of software that would find security patches for the OS so that users could then download those patches and deploy them to their computers. That...

A week in security (October 24 - 30)

Last week on Malwarebytes Labs: Lock and Code: A gym heist in London goes cyber Healthcare site leaks personal health information via Google and Meta tracking pixels An odd kind of cybercrime: Gift vouchers, medical records, and...food Cisco warns of ISE vulnerability with no fixed release or...

Malformed signature trick can bypass Mark of the Web

Mark of the Web MOTW--the technology that ensures Windows pops a warning message when trying to open a file downloaded from the Internet--is back in the news, but unfortunately not in a good way. Bleeping Computer reports that a recently uncovered but somewhat old bug has been unearthed which hel...

Microsoft breach reveals some customer data

Microsoft customers find themselves in the middle of a data breach situation. The Microsoft Security Response Center blog reports that researchers reported a misconfigured Microsoft endpoint on September 24. This miscongifuration resulted in the possibility of "unauthenticated access to some...

UK government sounds alarm on tax scams

The UK government has issued a warning for people to be on their guard against fake tax rebate scams as they gearing up to fill out their 2021/22 tax returns. Ensuring your self-employed documents are correct and accurate can be a complicated business at the best of times. Having to worry about...

Bogus job offers hide trojanised open-source software

Microsoft researchers are warning of fake job offers where the only actual compensation available is a golden handshake of malware and trickery. The campaign targets those with technical know-how because, despite what some may think, scams are for everybody, not just people unfamiliar with tech...

TikTok's "secret operation" tracks you even if you don't use it

Consumer Reports CR, a US-based nonprofit consumer organization, has revealed that TikTok gathers data on people who don't even use the app itself. If this sounds familiar, it's because it's happened before. Meta's near-omnipresence wherever you are online enabled it to gather data on users, even...

Medtronic's MiniMed 600 series insulin pumps potentially at risk of compromise, says FDA

The US FDA Food and Drug Administration has warned users of Medtronic's MiniMed 600 Series Insulin Pump System--specifically, models for MiniMed 630G and MiniMed 670G--that their medical devices have a cybersecurity issue with its communication protocol. If compromised, attackers could gain...

Vulnerable children's identities used in tax fraud scheme

Fraudster Ariel "Melo" Jimenez has been sentenced to 12 years in prison for leading a "tax fraud and identity theft conspiracy" that resulted in the fraudulent claiming of tax credits, earning him millions of dollars. "Ariel Jimenez was the leader of a long-running fraudulent tax business that...

Cyber threat hunting for SMBs: How MDR can help

When you hear the words "cyber threat hunting", you just may picture an elite team of security professionals scouring your systems for malware. Sounds like something only huge businesses or nation states would need to do, right? Not quite. Threat hunting is just as essential for...