A week in security (May 25 – May 31)

Last week on Malwarebytes Labs: Payment apps are watching what you say Lock and Code S07E11 Scammers pretending to be Microsoft had help from US executives 700+ education and tech websites hijacked in huge ClickFix malware campaign Fake software on GitHub and SourceForge distribute Deno RAT Fake...

A week in security (April 13 – April 19)

Last week on Malwarebytes Labs: This old-school scam is still working "Your shipment has arrived" email hides remote access software Browser Guard gets even better with Access Control "iCloud storage is full" scam is back, and now it wants your payment details A fake Slack download is giving...

Storm-2561 Spreads Trojan VPN Clients via SEO Poisoning to Steal Credentials

Microsoft has disclosed details of a credential theft campaign that employs fake virtual private network VPN clients distributed through search engine optimization SEO poisoning techniques. "The campaign redirects users searching for legitimate enterprise software to malicious ZIP files on...

Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

In this article 1. From search to stolen credentials: Storm-2561 attack chain 2. Defending against credential theft campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise In mid-January 2026, Microsoft Defender Experts identified a credential theft campaign tha...

Black Cat Behind SEO Poisoning Malware Campaign Targeting Popular Software Searches

A cybercrime gang known as Black Cat has been attributed to a search engine optimization SEO poisoning campaign that employs fraudulent sites advertising popular software to trick users into downloading a backdoor capable of stealing sensitive data. According to a report published by the National...

Fake Malwarebytes, LastPass, and others on GitHub serve malware

Fake versions of legitimate software are currently circulating on GitHub pages, in a large-scale campaign targeting Mac users. Unfortunately, Malwarebytes for Mac is one of them. Impersonating brands is sadly commonplace, as scammers take advantage of established brand names to target their...

Fake ChatGPT Desktop App Delivering PipeMagic Backdoor, Microsoft

Microsoft warns that a fake ChatGPT desktop app was used to deliver PipeMagic malware, linked to ransomware attacks…...

SEO Poisoning Campaign Targets 8,500+ SMB Users with Malware Disguised as AI Tools

Cybersecurity researchers have disclosed a malicious campaign that leverages search engine optimization SEO poisoning techniques to deliver a known malware loader called Oyster aka Broomstick or CleanUpLoader. The malvertising activity, per Arctic Wolf, promotes fake websites hosting trojanized...

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...

TookPS: DeepSeek isn’t the only game in town

In early March, we published a study detailing several malicious campaigns that exploited the popular DeepSeek LLM as a lure. Subsequent telemetry analysis indicated that the TookPS downloader, a malware strain detailed in the article, was not limited to mimicking neural networks. We identified...

Fake DeepSeek AI Installers, Websites, and Apps Spreading Malware

Cybercriminals exploit AI hype with SEO poisoning, tricking users into downloading malware disguised as DeepSeek software, warns McAfee Labs in a new report...

New Malware Campaign Leveraging Satacom Downloader to Steal Cryptocurrency

A recent malware campaign has been found to leverage Satacom downloader as a conduit to deploy stealthy malware capable of siphoning cryptocurrency using a rogue extension for Chromium-based browsers. "The main purpose of the malware that is dropped by the Satacom downloader is to steal BTC from...

Google Gets Court Order to Take Down CryptBot That Infected Over 670,000 Computers

Google on Wednesday said it obtained a temporary court order in the U.S. to disrupt the distribution of a Windows-based information-stealing malware called CryptBot and "decelerate" its growth. The tech giant's Mike Trinh and Pierre-Marc Bureau said the efforts are part of steps it takes to "not...

New Azov Ransomware can wipe 666 bytes data at a stretch

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The new Azov Ransomware can wipe 666 bytes of data at a time. The Azov wiper destroys victims data on purpose and infects other applications by dropping a fake pirated software...

Nitrokod Crypto Miner Infected Over 111,000 Users with Copies of Popular Software

A Turkish-speaking entity called Nitrokod has been attributed to an active cryptocurrency mining campaign that involves impersonating a desktop application for Google Translate to infect over 111,000 victims in 11 countries since 2019. "The malicious tools can be used by anyone," Maya Horowitz,...

Hackers Spread BIOPASS Malware via Chinese Online Gambling Sites

Cybersecurity researchers are warning about a new malware that's striking online gambling companies in China via a watering hole attack to deploy either Cobalt Strike beacons or a previously undocumented Python-based backdoor called BIOPASS RAT that takes advantage of Open Broadcaster Software OB...

Threat spotlight: WastedLocker, customized ransomware

WastedLocker is a new ransomware operated by a malware exploitation gang commonly known as the Evil Corp gang. The same gang that is associated with Dridex and BitPaymer. The attribution is not based on the malware variants as WastedLocker is very different from BitPaymer. What was kept was the...

Updated terminology package fixes security vulnerability CVE-2018-20167

Terminology before 1.3.1 allows Remote Code Execution because popmedia is mishandled, as demonstrated by an unsafe "cat README.md" command when \epn is used. A popmedia control sequence can allow the malicious execution of executable file formats registered in the X desktop share MIME types...

CVE-2018-20167

Terminology before 1.3.1 allows Remote Code Execution because popmedia is mishandled, as demonstrated by an unsafe "cat README.md" command when \epn is used. A popmedia control sequence can allow the malicious execution of executable file formats registered in the X desktop share MIME types...

Remote code execution

Terminology before 1.3.1 allows Remote Code Execution because popmedia is mishandled, as demonstrated by an unsafe "cat README.md" command when \epn is used. A popmedia control sequence can allow the malicious execution of executable file formats registered in the X desktop share MIME types...