The state of Mac malware

Mac users are often told that they don't need antivirus software, because there are no Mac viruses. However, this is not true at all, as Macs actually are affected by malware, and have been for most of their existence. Even the first well-known virus—Elk Cloner—affected Apple computers rather tha...

Don’t let these gaming threats give you a Game Over

With EGX, the biggest gaming event in the UK opening its doors today, we thought it'd be timely to remind you of some of the threats currently facing gamers. No matter what type of game, client, or system you use, there's always something waiting to try and give you a bad day where the safety of...

Adware the series, the final: Tools section

So far in this series, we have handed you some methods to recognize and remediate adware. We used this diagram as a guideline. During this journey, we have touched upon several free tools that we used to get some insight on what type of infection we were dealing with and where the adware could be...

Learning PowerShell: The basics

I bet I went about learning PowerShell the wrong way, so I may need your help, readers of this blog. If only to organize my knowledge and use it for the fight against malware and not just to figure out how it was used in malware. The first serious look I had at PowerShell was when I was trying to...

Don’t trust that “FBI agent” in your DMs

The Federal Bureau of Investigation’s FBI Internet Crime Complaint Center IC3 is warning that scammers are impersonating the bureau on social media and on messaging apps, targeting people who’ve already been victims of cybercrime. The FBI has issued warnings like this before, but scammers posing ...

How World Cup crypto prediction sites take your money

Crypto prediction and betting sites are appearing around the World Cup, and researchers have already tracked scams aimed at fans, including fake ticketing, fixed-match betting, prediction scams, and fan-branded meme coins. We investigated one prediction site ourselves. While we aren't claiming...

A week in security (January 19 – January 25)

Last week on Malwarebytes Labs: Spammers abuse Zendesk to flood inboxes with legitimate-looking emails, but why? Fake LastPass maintenance emails target users Under Armour ransomware breach: data of 72 million customers appears on the dark web Can you use too many LOLBins to drop some RATs?...

WhatsApp hack: Meta wins payout over NSO Group spyware

Meta has won almost $170m in damages from Israel-based NSO Group, maker of the Pegasus spyware. The ruling comes after a six-year legal case against the company after Meta accused it of misusing its servers to spy on users. According to the original complaint against NSO Group, filed in October...

A week in security (May 27 – June 2)

Last week on Malwarebytes Labs: Data leak site BreachForums is back, boasting Live Nation/Ticketmaster user data. But is it a trap? The Ticketmaster "breach"—what you need to know Ticketmaster confirms customer data breach How to tell if a VPN app added your Windows device to a botnet Beware of...

YouTube launches “global effort” to block ad blockers

The ongoing struggle between YouTube and ad blockers is turning users into the victims. YouTube has gone all out in its fight against the use of add-ons, extensions and programs that prevent it from serving ads to viewers around the world. It started out as just a small experiment, but it looks...

Zoom clarifies user consent requirement when training its AI

Changes in the terms of service TOS of the Zoom video-conferencing software have caused some turmoil. Since the pandemic, Zoom Video Conferencing has become a household name. Zoom came up as the big winner in the video conferencing struggle that enabled us to work from home. Now that things are...

US dangles $10 million reward for information about Cl0p ransomware gang

The US Department of States national security rewards program, Rewards for Justice RFJ, is offering a reward of up to $10 million for information linking the Cl0p ransomware gang, or any other malicious cyber actors targeting US critical infrastructure, to a foreign government. Advisory from...

[updated] Barracuda Networks patches zero-day vulnerability in Email Security Gateway

On May 20, Barracuda Networks issued a patch for a zero day vulnerability in its Email Security Gateway ESG appliance. The vulnerability existed in a module which initially screens the attachments of incoming emails, and was discovered on May 19. Barracuda's investigation showed that the...

3 tips to raise your backup game

If there was an award for "most overlooked really important thing in computing", backups would win. Every year. So let's put that right and spend a minute or two thinking about backups. Backups are great! Having backups is like having a do-over for your mistakes, and who hasn't wished for that? A...

Mortal Kombat ransomware forms tag team with crypto-stealing malware

An "unidentified actor" is making use of these two malicious files to cause combo-laden mayhem on desktops around the world, according to new research from Talos. The tag-team campaign serves up ransomware known as Mortal Kombat, which borrows the name made famous by the video game, and Laplas...

Evasive Shikitega Linux malware drops Monero cryptominer

Researchers from the AT&T Alien Labs Resarch have discovered a new and stealthy Linux malware it's dubbed Shikitega. Once it's on a machine or device, Shitega executes a "multistage infection chain" involving small files, a couple of vulnerabilities, and the use of Mettle, a portable Metasploit...

Firefox, Thunderbird, receive patches for critical security issues

Mozilla has published updates for two critical security issues in Firefox and Thunderbird, demonstrated during Pwn2Own Vancouver. The vulnerabilities, discovered in the Firefox JavaScript engine shared by the Firefox-based Tor browser relate to Firefox 100.0.2, Firefox for Android 100.3.0, and...

Fake Esports voting sites looking to phish Steam users

We’ve seen Esports occasionally become the focus of gaming or Steam scams. One particular tactic of note was to claim joining an official league is an easy process. Links to third-party hosted files would offer up a supposedly cracked ESEA Esports league client. In reality, it was a data stealing...

Microsoft makes a bold move towards a password-less future

In a recent blog Microsoft announced that as of September 15, 2021 you can completely remove the password from your Microsoft account and use the Microsoft Authenticator app, Windows Hello, a security key, or a verification code sent to your phone or email to sign in to Microsoft apps and service...

Analysts “strongly believe” the Russian state colludes with ransomware gangs

"We have the smoke, the smell of gunpowder and a bullet casing. But we do not have the gun to link the activity to the Kremlin." This is what Jon DiMaggio, Chief Security Stretegist for Analyst1, said in an interview with CBS News following the release of its latest whitepaper, entitled "Nation...

A week in security (June 14 – June 20)

Last week on Malwarebytes Labs: How to delete your Instagram account. Working from home? You’re probably being spied on. Another one bites the dust: Avaddon ransomware group shuts down operation. Patch now! Apple fixes in-the-wild iPhone vulnerabilities. Windows 10 to retire in four years or 52...

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...

Cybercrime, fraud, and insider threats increased in 2020 in the UK, report says

Since the initial lockdown, we have seen the rise of certain types of cybercrime, including scams and fraud campaigns that either bank on the global COVID-19 pandemic or take advantage of potential victims that adhere to work-from-home measures. In the UK, the National Crime Agency NCA has...

Slack hurries to fix direct message flaw that allowed harassment

The enormous work messaging platform Slack quickly reversed course yesterday, promising to revise a brand-new direct message feature that could have been misused for harassment. Added to the company’s “Slack Connect” product—which lets enterprise users share messages with contract workers and...

Report goes “behind enemy lines” to reveal SilverFish cyber-espionage group

The PRODAFT Threat Intelligence Team has published a report pdf that gives an unusually clear look at the size and structure of organized cybercrime. It uncovered a global cybercrime campaign that uses modern management methods, sophisticated tools—including its own malware testing sandbox—and ha...

Report reveals the staggering scale of Business Email Compromise losses

Internet crime is ever present, and with the ongoing pandemic, levels of scams and fraud were exceptionally high in 2020. Opportunistic fraudsters didnt give a second thought to riding the COVID-19 wave and preying upon those who are truly in need of help, or those who truly want to help. The...

A week in security (September 28 – October 4)

Last week on Malwarebytes Labs, we dug into what happens when card fraud comes calling, we gave a rundown on some novel ransomware attacks that took advantage of smart coffee makers, and we introduced VideoBytes, our new, monthly series in which well provide video coverage of some of the...

Lock and Code S1Ep16: Investigating digital vulnerabilities with Samy Kamkar

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to Samy Kamkar, chief security officer and co-founder of Open Path, about the digital vulnerabilities in our physical world. If you look through a recent...

A week in security (June 22 – 28)

Last week on Malwarebytes Labs, we provided a zero-day guide for 2020 featuring recent attacks and advanced preventive techniques, and we learned how to cough in the face of scammers, offering security tips for the 2020 tax season. We also looked at a web skimmer hiding within EXIF metadata that...

Spear phishing 101: what you need to know

Phishing, a cyberattack method as old as viruses and Nigerian Princes, continues to be one of the most popular means of initiating a breach against individuals and organizations, even in 2020. The tactic is so effective, it has spawned a multitude of sub-methods, including smishing phishing via...

8 ways to improve security on smart home devices

Every so often, a news story breaks that hackers have made their way into a smart home device and stolen personal data. Or that vulnerabilities in smart tech have been discovered that allow their producers or other cybercriminals to spy on customers. We've seen it play out over and over with smar...

How brain-machine interface (BMI) technology could create an Internet of Thoughts

She plugged the extension for car transportation in the brain-machine interface connectors at the right side of her head, and off she went. The traffic was relatively slow, so there was no need to stop working. She answered a few more emails, then unplugged her work extension. Weekend mode could...

Location data leaks from family tracking app database

An app called Family Locator, which allows family members to keep track of one another recently experienced an exposed database issue of the worst kind. Specifically: the MongoDB database was left exposed with no password, like so many other recent infosec tales of woe. The end result is the...

Mobile Menace Monday: SMS phishing attacks target the job market

Recently, a co-worker received an enticing SMS message from ASPXPPZUPS Human Resources. It read: Tired of your old job? Join our team today, work from home and earn $6,200 per month: hire-me-zvcbrvpffy.hidden.com. Could it be that our dream job awaits via random text message? On the contrary, thi...

What Facebook’s Cambridge Analytica problem means for your data

As you may already know, there's been a security meltdown at Facebook, thanks to a company called Cambridge Analytica and Donald Trump. Facebook CEO Mark Zuckerberg insists it wasn't a breach, which is technically true. But that doesn't change the fact that the data of 50 million users was obtain...

Solution Corner: Malwarebytes for Android

People have become increasingly reliant on their mobile devices in recent years. Smartphones and tablets have revolutionized daily life. Unfortunately, such rapid growth has also attracted criminals, bringing Android up to par with Windows in terms of infection rates. Android threat landscape A...

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...

A week in security (July 27 – August 2)

Last week on Malwarebytes Labs: Fake Fortnite rewards are stealing players’ accounts Fake Flash Player installs AtlasRAT Malwarebytes for Windows, now available on the Microsoft Store Hims & Hers sued over alleged health data privacy failures Hidden prompt turns Microsoft Copilot into an AI worm...

TikTok, YouTube, and Roblox face scrutiny, but age gates won’t fix child safety

A damaging new report from Ofcom, the UK's communications regulator, has delivered a stark verdict: TikTok and YouTube's content feeds are "not safe enough" for children. This isn't just another regulatory slap on the wrist. Ofcom is putting out a wake-up call for anyone working in cybersecurity,...

Fake calendar invites are spreading. Here’s how to remove them and prevent more

We’re seeing a surge in phishing calendar invites that users can’t delete, or that keep coming back because they sync across devices. The good news is you can remove them and block future spam by changing a few settings. Most of these unwanted calendar entries are there for phishing purposes. Mos...

Fake PayPal invoice from Geek Squad is a tech support scam

One of our employees received this suspicious email and showed it to me. Although it's a pretty straightforward attempt to lure targets into calling the scammers, it's worth writing up because it looks like it was sent out in bulk. Let's look at the red flags. Firstly, the sender address : PayPal...

LinkedIn will use your data to train its AI unless you opt out now

LinkedIn plans to share user data with Microsoft and its affiliates for AI training. Framed as "legitimate interest", it won't ask for your permission—instead you'll have to opt out before the deadline. Microsoft has made major investments in ChatGPT’s creator OpenAI, and as we know, the more dat...

Social media influencers targeted by identity thieves

Social media influencers are attractive targets for identity thieves. With large followings and a literal influence on their followers, its no wonder they are targeted by scammers and spreaders of fake news. A subset of influencers are the so-called "finfluencers": influencers that provide their...

DNA testing company failed to protect sensitive genetic and health data, says FTC

DNA testing has long been a hot-button issue for security and privacy. Concerns about everything from law enforcement and data retention to job offers and insurance have all been examined at great length. With millions of people signing up to use these services, it was only a matter of time befor...

Malwarebytes earns AV-TEST Top Product awards for fifth consecutive quarter

AV-TEST, a leading independent tester of cybersecurity solutions, has just ranked Malwarebytes as a Top Product for consumers and businesses for the fifth quarter in a row. Every two months, experts at AV-Test evaluate Windows antivirus software across three categories: Protection against malware...

WhatsApp warns users: Fake versions of WhatsApp are trying to steal your personal info

WhatsApp boss Will Cathcart is warning users of the popular messaging app to be on their guard after the WhatsApp Security Team discovered bogus apps packing a hidden punch in the form of malware. Outside the safety of the walled garden App stores do whatever they can to try and prevent bogus...

GitLab issues security updates; watch out for hard coded passwords

GitLab has issued several critical security updates, with users of the version control software urged to upgrade their installations as soon as possible. One of the fixes is for a hard coded password issue. What is distributed version control? Distributed version control is a way for an...

Gh0stCringe RAT makes database servers squeal for protection

Researchers have found that the Gh0stCringe RAT is infecting Microsoft SQL and MySQL, and seems to focus on servers with weak protection. The Gh0stCringe RAT communicates with a command and control C&C server to receive instructions and is capable of exfiltrating information. SQL SQL is short for...

HermeticWiper: A detailed analysis of the destructive malware that targeted Ukraine

This blog post was authored by Hasherezade, Ankur Saini and Roberto Santos Disk wipers are one particular type of malware often used against Ukraine. The implementation and quality of those wipers vary, and may suggest different hired developers. The day before the invasion on Ukraine by Russian...

Katie Moussouris hacked Clubhouse. Her emails went unanswered for weeks: Lock and Code S02E15

Nearly one year after the exclusive app Clubhouse launched on the iOS store, its popularity skyrocketed. The app, which is now out of beta, lets users drop into spontaneous audio conversations that, once they are over, are over. With COVID lockdown procedures separating many people around the wor...