LeakNet Ransomware Uses ClickFix via Hacked Sites, Deploys Deno In-Memory Loader

The ransomware operation known as LeakNet has adopted the ClickFix social engineering tactic delivered through compromised websites as an initial access method. The use of ClickFix, where users are tricked into manually running malicious commands to address non-existent errors, is a departure fro...

Fake extension crashes browsers to trick users into infecting themselves

Researchers have found another method used in the spirit of ClickFix: CrashFix. ClickFix campaigns use convincing lures—historically “Human Verification” screens—to trick the user into pasting a command from the clipboard. After fake Windows update screens, video tutorials for Mac users, and many...

Think before you Click(Fix): Analyzing the ClickFix social engineering technique

Over the past year, Microsoft Threat Intelligence and Microsoft Defender Experts have observed the ClickFix social engineering technique growing in popularity, with campaigns targeting thousands of enterprise and end-user devices globally every day. Since early 2024, we’ve helped multiple custome...

Think before you Click(Fix): Analyzing the ClickFix social engineering technique

Over the past year, Microsoft Threat Intelligence and Microsoft Defender Experts have observed the ClickFix social engineering technique growing in popularity, with campaigns targeting thousands of enterprise and end-user devices globally every day. Since early 2024, we’ve helped multiple custome...

Hackers Use TikTok Videos to Distribute Vidar and StealC Malware via ClickFix Technique

The malware known as Latrodectus has become the latest to embrace the widely-used social engineering technique called ClickFix as a distribution vector. "The ClickFix technique is particularly risky because it allows the malware to execute in memory rather than being written to disk," Expel said ...

Phishing campaign impersonates Booking .com, delivers a suite of credential-stealing malware

Starting in December 2024, leading up to some of the busiest travel days, Microsoft Threat Intelligence identified a phishing campaign that impersonates online travel agency Booking.com and targets organizations in the hospitality industry. The campaign uses a social engineering technique called...

Hackers Use ClickFix Trick to Deploy PowerShell-Based Havoc C2 via SharePoint Sites

Cybersecurity researchers are calling attention to a new phishing campaign that employs the ClickFix technique to deliver an open-source command-and-control C2 framework called Havoc. "The threat actor hides each malware stage behind a SharePoint site and uses a modified version of Havoc Demon in...

5 Active Malware Campaigns in Q1 2025

The first quarter of 2025 has been a battlefield in the world of cybersecurity. Cybercriminals continued launching aggressive new campaigns and refining their attack methods. Below is an overview of five notable malware families, accompanied by analyses conducted in controlled environments...

Threat Actors Exploit ClickFix to Deploy NetSupport RAT in Latest Cyber Attacks

Threat actors have observed the increasingly common ClickFix technique to deliver a remote access trojan named NetSupport RAT since early January 2025. NetSupport RAT, typically propagated via bogus websites and fake browser updates, grants attackers full control over the victim's host, allowing...