UPDATED: Patch now! Emergency fix for PrintNightmare released by Microsoft

Last week we wrote about PrintNightmare, a vulnerability that was supposed to be patched but wasnt. After Junes Patch Tuesday, researchers found that the patch did not work in every case, most notably on modern domain controllers. Yesterday, Microsoft issued a set of out-of-band patches that sets...

Fresh “video games” site welcomes new users with Steam phish

Over the weekend, I received this unsolicited message from an acquaintance on Steam: 1 free game for new users! Take the game you want https://t.co/redacted Fortunately, other friends on Steam were quick to publicly warn others about potentially hacked accounts spamming dubious messages to anyone...

OVH cloud datacenter destroyed by fire

A fire in one of the OVH datacenters has destroyed one datacenter and knocked two others offline. It took 100 firefighters and 43 fire trucks to fight the fire in the five-story building. Even though the fire department was quick to respond, and the fire was brought under control relatively...

Pre-installed auto installer threat found on Android mobile devices in Germany

Users primarily located in Germany are experiencing malware that downloads and installs on their Gigaset mobile devices—right out of the box! The culprit installing these malware apps is the Update app, package name com.redstone.ota.ui, which is a pre-installed system app. This app is not only th...

Medical industry struggles with PACS data leaks

In the medical world, sharing patient data between organizations and specialists has always been an issue. X-Rays, notes, CT scans, and any other data or related files have always existed and been shared in their physical forms slides, paperwork. When a patient needed to take results of a test to...

Healthcare security update: death by ransomware, what’s next?

A recent ransomware attack which played a significant role in the death of a German woman has put into focus both the dangers and the importance of cybersecurity today. But it has also led some to point fingers as to who was responsible. As usual, playing the blame game helps no one, but it does...

Vidar and GandCrab: stealer and ransomware combo observed in the wild

We have been tracking a prolific malvertising campaign for several weeks and captured a variety of payloads, including several stealers. One that we initially identified as Arkei turned out to be Vidar, a new piece of malware recently analyzed in detail by Fumik0 in his post: Let’s dig into Vidar...

SonicWall warns users of “imminent ransomware campaign”

This post has been updated with a statement from SonicWall below SonicWall has issued an urgent security notice warning users of unpatched End-Of-Life EOL SRA & SMA 8.X remote access devices that they have been made aware of an imminent ransomware campaign using stolen credentials. The exploitati...

PrintNightmare and RDP RCE among major issues tackled by Patch Tuesday

The sheer number of patches 44 security vulnerabilities should be enough to scare us, but unfortunately we have gotten used to those numbers. In fact, 44 is a low number compared to what we have seen on recent Patch Tuesdays. So what are the most notable vulnerabilities that were patched. One...

Good Twitter Samaritans accidentally prevent shoeshine scam

A few days ago, Indian news portals were buzzing with tales of a well-worn shoeshine scam making its way into social media. It’s a great example of how good-natured gestures can unwittingly aid scammers when we combine high-visibility accounts with potential lack of fact checking. Thankfully, it...

CISA list of 95 new known exploited vulnerabilities raises questions

On Friday March 3, the Cybersecurity and Infrastructure Security Agency CISA added a whopping number of 95 new known exploited vulnerabilities to its Known Exploited Vulnerabilities Catalog. This catalog provides Federal Civilian Executive Branch FCEB agencies with a list of vulnerabilities that...

IoT riddled with BadAlloc vulnerabilities

The Cybersecurity and Infrastructure Security Agency CISA has published advisory ICSA-21-119-04 about vulnerabilities found in multiple real-time operating systems RTOS and supporting libraries. Those operating systems and libraries are widely used in smart, Internet-connected "things". The numbe...

UPDATED: Kaseya hijacked, thousands attacked by REvil, fix delayed again

Malwarebytes does not use Kaseya products. Malwarebytes detects the REvil ransomware used in this attack as Sodinokibi. Latest updates July 7, 8:30 am, Kaseya VSA SaaS platform still offline, not updated as planned July 6, 3:40 pm, malspam using fake Kaseya security update July 6, 3:15 am,...

Millions of Chrome users quietly added to Google’s FLoC pilot

Last month, Google began a test pilot of its Federated Learning of Cohorts—or FLoC—program, which the company has advertised as the newest, privacy-preserving alternative in Google Chrome to the infamous third-party cookie. Sounds promising, right? Well, about that. Despite Google’s rhetoric abou...

Microsoft Exchange attacks cause panic as criminals go shell collecting

Only last week we posted a blog about multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks. Seeing how this disclosure came with a patch being available, under normal circumstances you would see some companies update...

A week in security (January 14 – 20)

Last week on the Malwarebytes Labs blog, we took a look at how the government shutdown is influencing cybersecurity jobs, Advanced Persistent Threats group APT10, the comeback of Fallout EK, the hosting of malicious sites on legitimate servers, and the Collection 1 data breach. Other cybersecurit...

Relax. Internet password books are OK

Passwords are a hot topic on social media at the moment, due to the re-emergence of a discussion about good password management practices. There’s a wealth of password management options available, some more desirable than others. The primary recommendation online is usually a software-based...

21 million free VPN users’ data exposed

Detailed credentials for more than 21 million mobile VPN app users were swiped and advertised for sale online last week, offered by a cyber thief who allegedly stole user data collected by the VPN apps themselves. The data includes email addresses, randomly generated password strings, payment...

Honda and Enel impacted by cyber attack suspected to be ransomware

Car manufacturer Honda has been hit by a cyber attack, according to a report published by the BBC, and later confirmed by the company in a tweet. Another similar attack, also disclosed on Twitter, hit Edesur S.A., one of the companies belonging to Enel Argentina which operates in the business of...

Busted! Fraud-as-a-Service gang that sold 2FA-proof phishing arrested

The Dutch police announced that they arrested two Dutch citizens, aged 24 and 15, for developing and selling phishing panels. The police also searched the house of another suspect, an 18 year old who was not arrested. The people behind this illegal business called themselves the Fraud Family and...

Hosting malicious sites on legitimate servers: How do threat actors get away with it?

How do threat actors manage to get their sites and files hosted on legitimate providers’ servers? I have asked myself this question many times, and many times thought, “The threat actors pay for it, and for some companies, money is all that matters.” But is it really that simple? I decided to fin...

Update now!  Microsoft patches Follina, and many other security updates

The June 2022 Patch Tuesday may go down in history as the day that Follina got patched, but there was a host of other important updates. And not just from Microsoft. Many other software vendors follow the pattern of monthly updates set by the people in Redmond. Microsoft Microsoft released update...

VPN Test: How to check if your VPN is working or not

The primary function of a Virtual Private Network VPN is to enhance your online privacy and security. It should do this without slowing your Internet too noticeably. Performing a VPN test or two can help you ensure that its up to the mark. VPN privacy test Your Internet Service Provider ISP assig...

Shady scam bots trick Omegle users into nonconsensual video sex recordings

14-year old Michael not his real name from Scandinavia first visited Omegle, the video online chat that has become hugely popular since the start of the pandemic, after hearing about "unpredictable and weird encounters" one may experience on the site from other students in school. He was intrigue...

Update your Chrome again as Google patches second zero-day in two weeks

Before you start to Google for election news, wed like you to check whether your browser is at the latest and safest version. “Again?”, Chrome users may say. Yes, because Google has found another zero-day vulnerability - that means its a hole that is actively being exploited right now. Its the...

Sorry, Joe Biden isn’t offering you a work visa, it’s a scam

A US diplomatic mission in Nigeria warns of a visa scam affecting Nigerian citizens looking to move to the United States. It’s an old scam message, dressed up with a fresh coat of paint. Shall we take a look? Fraud Alert! Scammers and fraudsters are circulating a fake “press release” claiming to...

Aurora campaign: Attacking Azerbaijan using multiple RATs

This post was authored by Hossein Jazi As tensions between Azerbaijan and Armenia continue, we are still seeing a number of cyber attacks taking advantage of this situation. On March 5th 2021, we reported an actor that used steganography to drop a new .Net Remote Administration Trojan. Since that...

The story of ZeroLogon

This is the story of a vulnerability that was brought about by the incorrect use of an encryption technique. After it was discovered by researchers, the vulnerability was patched and that should have been the end of the story. Unfortunately the patch caused problems of its own, which made it very...

The Roblox Robux generator is too good to be true

Roblox is an enormously popular MMORPG title for kids available on both PC and console, and it suffers no end of scammers trying to fleece its players as a result. While the game tries to block and filter text/URLs and comes with additional security features, potentially dubious sites also bounce...

Bluetooth vulnerability can be exploited in Key Negotiation of Bluetooth (KNOB) attacks

Those who are familiar with Bluetooth BR/EDR technology aka Bluetooth Classic, from 1.0 to 5.1 can attest that it is not perfect. Like any other piece of hardware or software technology already on market, its usefulness comes with flaws. Early last week, academics at Singapore University of...

Home routers are being hijacked using vulnerability disclosed just 2 days ago

The early bird catches the worm. Unless the worm was early enough to hide. On August 3, 2021 a vulnerability that was discovered by Tenable was made public. Only two days later, on August 5, Juniper Threat Labs identified some attack patterns that attempted to exploit this vulnerability in the...

Who is to blame for the malicious Barcode Scanner that got on the Google Play store?

In our last blog, Barcode Scanner app on Google Play infects 10 million users with one update, we wrote about a barcode scanner found on the Google Play store that was infected with Android/Trojan.HiddenAds.AdQR. All initial signs led us to believe that LavaBird LTD was the developer of this...

Apply those updates now: CVE bypass offers up admin privileges for Windows 10

If you’re running Windows 10, it’s time to stop delaying those patches and bring your systems up to date as soon as possible. Bleeping Computer reports that a researcher has come up with a bypass for an older bug, which could serve up some major headaches if left to fester. Those headaches will...

New DazzleSpy malware attacks macOS

DazzleSpy, a piece of malware that attacks macOS, was discovered last fall by researchers at ESET, and now those researchers have released more detailed findings. DazzleSpy, according to the researchers at ESET, was being spread via watering hole attacks via pro-democracy websites in China. It...

Ransomware isn’t just a big city problem

This month, one ransomware story has been making a lot of waves: the attack on Baltimore city networks. This attack has been receiving more press than normal, which could be due to the actions taken or not taken by the city government, as well as rumors about the ransomware infection mechanism...

The life and death of the ZeuS Trojan

Whether youve read up on Greek mythology or youre simply a big fan of Marvel comics, the name "Zeus" should be familiar to you. In the context of cybercrime though, ZeuS aka the Zbot Trojan is a once-prolific malware that could easily be described as one of a handful of information stealers ahead...

How one word can disable an iPhone’s WiFi functionality

A researcher has found a way to disable the WiFi functionality on iPhones by getting them to join a WiFi hotspot with a weird name. This shouldnt be happening. The first thing you learn in coding school when it comes to input which is literally any data a device has to do something with is to...

Google patches actively exploited zero-day bug that affects Chrome users

Google has recently released Chrome version 86.0.4240.111 to patch several holes. One is for a zero-day flaw - that means a vulnerability that is being actively exploited in the wild. The flaw, which is officially designated as CVE-2020-15999, occurs in the way FreeType handles PNG images embedde...

Keeping up with the Petyas: Demystifying the malware family

Last June 27, there was a huge outbreak of a Petya-esque malware with WannaCry-style infector in the Ukraine. Since there is still confusion about how exactly this malware is linked to the original Petya, we have prepared this small guide on the background of the Petya family. The origin of Petya...

Android patches for 4 in-the-wild bugs are out, but when will you get them?

In the Android Security Bulletin of May 2021, published at the beginning of this month, you can find a list of roughly 40 vulnerabilities in several components that might concern Android users. According to info provided by Googles Project Zero team, four of those Android security vulnerabilities...

A user’s right to choose: Why Malwarebytes detects Potentially Unwanted Programs (PUPs)

Potentially Unwanted Programs PUPs: the name says it all. While the programs themselves might have legitimate uses, their vendors often use inappropriate methods to drive downloads or hide within a program bundle. At Malwarebytes, we feel we have an obligation to help protect our customers from...

SolarWinds attackers launch new campaign

Nobelium is a synthetic chemical element with the symbol No and atomic number 102. It is named in honor of Alfred Nobel. But it is also the name given to the threat actor that is behind the attacks against SolarWinds, the Sunburst backdoor, TEARDROP malware, GoldMax malware, other related...

What is scareware?

Scareware is a type of rogue program which has been around for many years, arguably dating back to 1990. It can be installed without permission, or via deception and false promises. Scareware is primarily used to panic or worry someone into performing a task they otherwise wouldn’t have done. The...

Collection 1 data breach: what you need to know

Yesterday, news broke that the largest data dump in history had been discovered, with more than 770 million people's Personally Identifiable Information PII decrypted, catalogued, and up for grabs on the Internet. The files, which are being dubbed Collection 1, were originally found on cloud...

The 6 best Chrome extensions for privacy and security

While searching for security- and privacy-improving extensions, users may end up installing an extension that is counterproductive to their goals. To help our readers I have compiled a list of Chrome extensions that can actually help you improve your online privacy and security. Our regular reade...

How bitcoin payments unmasked a man who hired a Dark Web contract killer

An Italian citizens apparent attempt to hire a hitman on the Dark Web has been undone by clever analysis of his Bitcoin transactions. The man, who is reported to be an IT worker employed by a major corporation, is alleged to have paid the hitman to assassinate his former girlfriend. What happened...

“Multiple adversaries” exploiting Confluence vulnerability, warns Microsoft

Microsoft has warned that "multiple adversaries and nation-state actors" are making use of the recent Atlassian Confluence RCE vulnerability. A fix is now available for CVE-2022-26134. It is essential users of Confluence address the patching issue immediately. Confluence vulnerability: Background...

What is encryption? And why it matters in a VPN

Encryption is a term used to describe the methods that hide the true meaning of messages using code, especially to prevent unauthorized access to the information in the messages. Not all users of virtual private networks VPN care about encryption, but many are interested and benefit from strong...

Pegasus spyware has been here for years. We must stop ignoring it

On July 18, a group of 17 newspaper and media organizations—aided by Amnesty International’s Security Lab and the research group Citizen Lab—revealed that one of the world’s most advanced and viciously invasive spyware tools had been used to hack, or attempt to hack, into 37 mobile phones owned b...

What is Incognito mode? Our private browsing 101

Incognito mode is the name of Google Chrome’s private browsing mode, but it’s also become the catch-all term used to describe this type of web surfing, regardless of the browser being used. Some call it Private Mode, others call it Private Browsing. Apple almost certainly got there first, yet...