Mobile Menace Monday: despicable adware

Are you wondering how that mysterious icon ended up on your Android phone's start screen? Annoyed at the ads clogging your notification bar? You aren't alone. Thousands of Android apps now include software that shoves marketing icons onto your phone's start screen or pushes advertising into your...

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...

Meta ordered to pay $942 million over harm to children

A New Mexico court has ordered Meta to pay a total of $942 million after finding that Facebook and Instagram harmed young users and that the company misled consumers about the safety of its platforms. Reportedly, the decision combines a $375 million civil-penalty verdict from March with a newly...

Infostealers are becoming the go-to phishing payload

Phishing has changed. Slowly but surely, cybercriminals are turning to infostealers instead. Traditional phishing hasn't gone away. Far from it. But many attackers are no longer focused solely on tricking victims into entering usernames and passwords on fake login pages. Instead, they are using...

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...

No, it’s not OK to delete that new inetpub folder

In a new update for the guide concerning CVE-2025-21204 Microsoft told users they need the new inetpub folder for protection. As part of April’s patch Tuesday updates, Microsoft released a patch to a link following flaw in the Windows Update Stack. Applying the patch creates a new...

“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...

FBI warns online daters to avoid “free” online verification schemes that prove costly

The FBI has warned of fraudsters targeting users of dating websites and apps with “free” online verification service schemes that turn out to be very costly. Instead of being free, as advertised, the verification schemes involve steep monthly subscription fees, and will steal personal information...

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...

Massive utility scam campaign spreads via online ads

For many households, energy costs represent a significant part of their overall budget. And when customers want to discuss their bills or look for ways to save money, scammers are just a phone call away. Enter the utility scam, where crooks pretend to be your utility company so they can threaten...

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...

FAQ: How does Malwarebytes ransomware rollback work?

As the old cybersecurity saying goes: "Its not if, but when." Everyone and their grandma have repeated this foreboding maxim about the nature of ransomware attacks, but sadly, that doesn't make it any less true. Time and again were reminded that ransomware can slip past even the best defenses...

More MOVEit vulnerabilities found while the first one still resonates

In early June, we reported on the discovery of a critical vulnerability in MOVEit Transfer--known as CVE-2023-34362. After the first vulnerability was discovered, MOVEit's owner Progress Software partnered with third-party cybersecurity experts to conduct further detailed code reviews of the...

CISA issues warning to US businesses: Beware of China's state-sponsored cyber actor

The US Cybersecurity and Infrastructure Security Agency CISA has an urgent message for US businesses: watch out for Volt Typhoon, a threat actor sponsored by the Peoples Republic of China PRC. The agency's joint Cybersecurity Advisory CSA published last week highlights a cluster of tactics,...

Analyzing and remediating a malware infested T95 TV box from Amazon

A couple of weeks ago, security news outlets made their rounds reporting on an Android TV box available on Amazon that came pre-installed with malware. The findings came from a Canadian developer, Daniel Milisic, who posted on his GitHub. What Daniel found was an Android T95 TV box infected with...

Uber data stolen via third-party vendor

Uber is facing a new cybersecurity incident after threat actors stole some of its data from Teqtivity, a third-party vendor that provides asset management and tracking services. "We are aware of customer data that was compromised due to unauthorized access to our systems by a malicious third...

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...

Tech support scammers caught by their own cameras

A Youtuber has hacked into the CCTV cameras of an office used by tech support scammers and reported them to the police. The video feed of what is going on in that office ends with the arrest of the scammers. CCTV The Youtuber, acting under the handle Scambaiter, turned his attention to Punjab in...

A week in security (January 31 – February 6)

Last week on Malwarebytes Labs: Threat actor steals email with Zimbra zero-day FBI warns of bogus job postings on recruitment sites Investment scams are on the rise A worrying Etsy listing reveals the stalking potential of Apple’s AirTags Beware bogus OperaGX sponsorship offers $320 milllion stol...

Vulnerability in Windows 10 URI handler leads to remote code execution

Researchers at Positive Security have discovered a drive-by remote code-execution RCE bug in Windows 10. The vulnerability can be triggered by an argument injection in the Windows 10 default handler for ms-officecmd: URIs. It is likely that this vulnerability also exists in Windows 11. What’s...

Cold wallet, hot wallet, or empty wallet? What is the safest way to store cryptocurrency?

In August of 2021, a thief stole about $600 million in cryptocurrencies from The Poly Network. They ended up giving it back, but not because they were forced to. Slightly more than one week later, Japanese cryptocurrency exchange Liquid was hacked and lost $97 million worth of digital coins. Thes...

Beware of COVID Pass scams

You’ve likely seen fake parcel delivery texts in the news recently, and we’ve covered a few of these ourselves. SMS missives claim a package is waiting to be delivered, and a small processing fee is required. There is no package; it’s a ruse to have people hand over their credit card details. It’...

How to troubleshoot hardware problems that look like malware problems

Sometimes it’s hard to figure out what exactly is going wrong with your computer. What do you do if you’ve run all the scans, checked all the files, and everything says the PC is malware free? Here’s a list of common problems that resemble cybersecurity issues, but could be caused by something...

How to deactivate or delete your Facebook account

People worldwide use Facebook to connect with friends and family, and to engage in pointless debates with strangers over moderately amusing cat videos. But while some feel that the social media platform is an essential part of life, others find the data scandals and privacy issues disconcerting...

Colonial Pipeline attack spurs new rules for critical infrastructure

Following a devastating cyberattack on the Colonial Pipeline, the Transportation Security Administration—which sits within the government’s Department of Homeland Security—will issue its first-ever cybersecurity directive for pipeline companies in the United States, according to exclusive reporti...

FBI shuts down malware on hundreds of Exchange servers, opens Pandora’s box

A rather remarkable story has emerged, setting the scene for lively debates about permissible system access. A press release from the US Department of Justice Judge has revealed that the FBI were granted permission to perform some tech support backdoor removal. Bizarrely, they did this without...

NFTs explained: daylight robbery on the blockchain

Did you hear about the JPG file that sold for $69 million? I’ll give you some more detail, the JPG file is a piece of digital art made by Mike Winkelmann, the artist known as Beeple. The file was sold on Thursday by Christie’s in an online auction for $69.3 million. This set a record for artwork...

Vastaamo psychotherapy data breach sees the most vulnerable victims extorted

“Hell is too nice a place for these people.” Never have we seen outrage about a cybercrime at such a level. The outrage is aimed at cybercriminals behind the data breach that occurred at Finnish psychotherapy practice Vastaamo. Vastaamo, which has treated some 40,000 patients, is a subcontractor ...

Brute force attacks increase due to more open RDP ports

While leaving your back door open while you are working from home may be something you do without giving it a second thought, having unnecessary ports open on your computer is a security risk that is sometimes underestimated. Thats because an open port can be subject to brute force attacks. What...

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...

Mass surveillance alone will not save us from coronavirus

As the pattern-shattering truth of our new lives drains heavy—as coronavirus rends routines, raids our wellbeing, and whiplashes us between anxiety and fear—we should not look to mass digital surveillance to bring us back to normal. Already, governments have cast vast digital nets. South Koreans...

Introducing Lock and Code: a Malwarebytes Labs podcast

Intrepid Labs readers might be happy to know that we're stepping into territory long-requested and desired: we're launching a podcast. Malwarebytes researchers and reporters are on the front lines of cybercrime, delivering both fast-breaking news and thoughtful features on our blog to raise...

A week in security (January 27 – February 2)

Last week on Malwarebytes Labs, we looked at the strengths and weaknesses of the Zero Trust model, gave you the low-down on spear phishing, and took a delve into the world of securing the managed service provider MSP. Other cybersecurity news UN compromised via Sharepoint hack: An extraordinary...

A week in security (January 20 – 26)

Last week on Malwarebytes Labs, we reported on a Ryuk ransomware attack on The Tampa Bay Times, a newspaper in Florida; unmasked an elaborate browser locking scheme behind the more advanced tech support operations that are currently active; and looked at the latest laws on regulating deepfakes...

6 ways to keep up with cybersecurity without going crazy

As we dive headfirst into National Cybersecurity Awareness Month, it seems only fitting to discuss ways to stay on top of developments in modern cybersecurity and privacy. What's the best way to stay protected? How can you determine if something is a scam? Which big company has been breached now?...

How to protect your data from Magecart and other e-commerce attacks

In today's golden age of online shopping, consumers take to the Internet, punch in a few credit card details, and happily receive products at their doorstep, safe in the knowledge that their online vendor is well-known, vetted, and therefore their website has to be secure, right? Dut did you know...

UK law enforcement: an uphill struggle to fight hackers

About 16 years ago in the UK, I walked into a local police station to report a computer crime, because walking into local police stations is how they did things back then. There may well also have been penny farthing bicycles, real pea souper fogs, Mary Poppins, and Jack the Ripper, though I coul...

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...

Cybersecurity New Year’s resolutions, you say? Why not.

It's mid-January, and oh, how time flies. It wasn’t long since we bid farewell to 2017 and welcomed the new year with renewed hope and vigor. Of course, with such positivity comes a sense of an equally favorable outlook for the year ahead. However good that may sound, being faced with a tabula ra...

A look into the global drive-by cryptocurrency mining phenomenon

An important milestone in the history of cryptomining happened around mid-September when a company called Coinhive launched a service that could mine for a digital currency known as Monero directly within a web browser. JavaScript-based mining is cross-platform compatible and works on all modern...

41 deceptive download sites show a real link, then send you somewhere else

We identified a network of 41 websites impersonating popular games and Windows software, all designed to push visitors towards the same Download Studio installer. The sites advertise everything from Counter-Strike, Half-Life, Fallout, Roblox, PUBG, and The Witcher to VLC, 7-Zip, Paint.NET, VMware...

Fake Flash Player installs AtlasRAT

Researchers have described a campaign that delivers a remote access Trojan RAT called AtlasRAT through a fake Flash Player installer. People still go looking for “Flash player” because a surprising amount of content and software was built around Flash and never properly migrated. Users often just...

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...

Was T-Mobile compromised by a zero-day in Jira?

A moderator of the notorious data breach trading platform BreachForums is offering data for sale they claim comes from a data breach at T-Mobile. The moderator, going by the name of IntelBroker, describes the data as containing source code, SQL files, images, Terraform data, t-mobile.com...

Say hello to the fifth generation of Malwarebytes

Announcing the latest version of Malwarebytes, which brings a faster, responsive, and consistent user interface, integrated security and privacy, and expert guidance to keep you secure. Heres what you can expect: 1. Unified user experience across platforms The new generation of Malwarebytes now...

Ransomware review: March 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...

Patch now! Fortra GoAnywhere MFT vulnerability exploit available

On January 22, 2024, software company Fortra warned customers about a new authentication bypass vulnerability impacting GoAnywhere MFT Managed File Transfer that allows an attacker to create a new admin user. Fortra GoAnywhere MFT is a file transfer solution that organizations use to exchange the...

Alarm system cyberattack leaves those in need struggling to call for help

An alarm system company that allows those in need to ask for help at the touch of a button has suffered a cyberattack, causing serious disruption. Tunstall Netherlands says the attack left the control room struggling to receive distress calls from clients on Sunday November 12, 2023. Tunstall,...

What Gen Z really cares about when it comes to privacy

It would be easy to think that Gen Z doesn’t care about privacy. They worry less about ad tracking, do little to stem the flow of their private information online, and, as Malwarebytes recently uncovered, monitor one another’s lives far more than other generations. But it isn’t that Gen Z,...

[Updated] Apple issues Rapid Security Response for zero-day vulnerability

Apple has issued an update for a vulnerability which it says may have been actively exploited. In the security content for Safari 16.5.2 we can learn that the vulnerability was found in the WebKit component which is Apples web rendering engine. In other words, WebKit is the browser engine that...