A sophisticated ClickFix campaign was observed in April 2026 deploying PySoxy, a decade-old open-source Python SOCKS5 proxy tool, to establish encrypted proxy access on compromised hosts. The attack chain begins with social engineering that tricks users into executing obfuscated PowerShell commands, which then establishes scheduled task persistence and deploys an in-memory PowerShell-based command-and-control agent. Following domain reconnaissance activities, attackers deploy PySoxy to create a redundant encrypted access channel. The persistence mechanism continues attempting re-execution even after initial connections are blocked, demonstrating how single ClickFix executions can evolve into modular post-exploitation chains. This development represents a significant evolution from simple one-time execution to durable access with multiple redundant pathways, requiring comprehensive remediation beyond blocking initial callbacks.
BackgroundFix masquerades as a free image-editing tool but functions as a ClickFix social engineering lure. The fake service prompts users to verify they are human, copying malicious commands to their clipboard that invoke finger.exe to retrieve additional payloads. This chain delivers CastleLoader, which subsequently drops NetSupport RAT and a custom .NET stealer dubbed CastleStealer. The loader uses reflective PE injection, API hashing, and ChaCha20-encrypted C2 communications. CastleStealer targets browser credentials, cryptocurrency wallet extensions, and Telegram sessions through DPAPI decryption and Restart Manager APIs. The campaign leverages BYOI tactics with embedded Python interpreters and multiple shellcode stages. A notable implementation flaw exists where launch method 4 references regsrv32.exe instead of the correct regsvr32.exe, causing silent failures.
MioLab, also known as Nova, is a sophisticated Malware-as-a-Service platform targeting macOS environments, heavily advertised on Russian-speaking underground forums. The platform features extensive data exfiltration capabilities, including browser credential theft, cryptocurrency wallet targeting (supporting over 200 browser extensions and 50+ desktop wallets), and a premium module specifically designed to compromise Ledger and Trezor hardware wallets by intercepting 24-word BIP39 recovery seed phrases. The lightweight C-based payload supports both Intel and Apple Silicon architectures across macOS versions from Sierra to Tahoe. MioLab employs sophisticated social engineering through customizable DMG builders with live preview features, fake system prompts, and ClickFix integration. Recent updates demonstrate rapid development, including Safari cookie grabbing, automated Apple Notes decryption, and universal hardware wallet modules. The operation utilizes bulletproof hosting services and shares infrastruct...
A ClickFix-style phishing campaign leveraged social engineering to trick users into executing obfuscated PowerShell commands that downloaded and installed a malicious MSI payload from a remote server. The attack employed a sophisticated multi-stage infection chain utilizing DLL sideloading techniques with renamed legitimate binaries to execute malicious components. The final payload deployed HijackLoader to deliver a Lumma-style information stealer designed for credential harvesting and data exfiltration. The campaign utilized multiple command-and-control domains and infrastructure hosted on specific IP addresses. Mitigation measures include blocking identified artifacts, enhancing user awareness about ClickFix social engineering tactics, implementing endpoint detection for suspicious PowerShell activity and unsigned DLL sideloading, and isolating compromised systems for remediation.
A sophisticated ClickFix campaign was detected in mid-March 2026, beginning with a malicious webpage impersonating Booking.com's visual identity with a fake CAPTCHA. The attack leverages social engineering to trick victims into executing a PowerShell command that downloads and runs a script directly in memory. The JavaScript code automatically copies malicious commands to the clipboard and intercepts copy events. Once executed, the PowerShell dropper performs system fingerprinting, downloads a ZIP payload from a remote server, deploys it to user directories, establishes persistence through registry keys and scheduled tasks, and executes the final payload. The campaign demonstrates well-structured code with fallback mechanisms and real-time telemetry via Telegram, suggesting the use of a ready-to-use attack kit.
This analysis documents a newly observed ClickFix variant that abuses native Windows utilities, specifically cmdkey and regsvr32, for payload delivery. Victims are socially engineered through fake CAPTCHA pages to execute a malicious command via the Windows Run dialog. The single command chains multiple actions: staging credentials using cmdkey, retrieving a remote DLL via regsvr32 from a UNC path, and executing it silently. The 64-bit DLL establishes persistence through a scheduled task pulled from a remote XML file hosted on attacker infrastructure. This approach avoids traditional malware drops and leverages exclusively trusted Windows components for high stealth. The variant demonstrates continued evolution of ClickFix techniques, moving beyond PowerShell to use command chaining with legitimate system tools.
Lazarus Group is conducting an active campaign targeting businesses through ClickFix attacks, distributing a newly identified macOS malware kit called "Mach-O Man". The attack begins with fake meeting invitations via Telegram, redirecting victims to fraudulent collaboration platforms impersonating Zoom, Microsoft Teams, or Google Meet. Victims are tricked into executing terminal commands that install the malware. The kit consists of Go-based Mach-O binaries including a stager, profiler, persistence mechanism, and stealer. The malware collects credentials, browser data, and macOS Keychain entries, exfiltrating data through Telegram. Primary targets include fintech, crypto, and high-value environments where macOS is prevalent. The campaign leverages social engineering and native macOS binaries to evade traditional EDR detection, ultimately enabling account takeover, unauthorized infrastructure access, and financial loss.
A sophisticated ClickFix campaign targets both Windows and macOS users through fake CAPTCHA pages that trick victims into executing malicious commands. The macOS variant deploys an AppleScript-based infostealer that harvests sensitive data including keychain databases, credentials, and session cookies from 12 browsers, over 200 browser extensions, and 16 cryptocurrency wallets. The malware employs a persistent, non-closable dialog box mimicking legitimate system prompts to force victims into providing their system password. Stolen session cookies enable attackers to bypass multi-factor authentication by hijacking active sessions. The campaign uses client-side JavaScript to filter victims by user-agent, directing desktop users to OS-specific payloads while ignoring mobile devices. Latest macOS updates include native terminal security warnings designed to alert users against pasting potentially malicious commands.
A sophisticated macOS stealer called notnullOSX emerged in March 2026, developed by threat actor alh1mik (formerly 0xFFF) who returned after a 2023 exit from underground forums. This Go-written modular stealer exclusively targets macOS users with cryptocurrency holdings exceeding $10,000. Distribution occurs through ClickFix social engineering and malicious DMG files disguised as legitimate applications like WallSpace. The malware employs a modular architecture with specialized components to exfiltrate iMessage history, Apple Notes, browser credentials, Safari cookies, crypto wallet files, SSH keys, and cloud provider credentials. By social-engineering victims into granting Full Disk Access, notnullOSX bypasses macOS TCC protections without triggering permission dialogs. The stealer maintains persistent WebSocket connections to Firebase infrastructure, functioning as both an infostealer and backdoor with remote module update capabilities.
A Brazilian banking fraud operation leveraging ClickFix social engineering was discovered through a community tip, exposing a completely unauthenticated command-and-control infrastructure. The campaign deploys a malicious Chrome extension masquerading as a Banco Central do Brasil tool, force-installed via Chrome Cloud Management enrollment tokens. The extension achieves zero antivirus detections while targeting eight Brazilian financial institutions. At investigation time, 59 machines were compromised with seven active connections. The operator's C2 server exposed all endpoints without authentication, including admin panels, live victim screenshots, stolen credentials in cleartext, and intercepted Pix payment data. Attribution was established through WHOIS records revealing the operator's real name, CPF, and email address. The operation specifically targeted Northern Brazilian regional banks and credit cooperatives, with evidence of compromising a school fund account.
MacSync Stealer is a macOS infostealer operating as Malware-as-a-Service (MaaS), distributed through SEO poisoning and fake ClickFix CAPTCHAs. The campaign has evolved through three iterations since November 2025, shifting from fake download sites to malicious ChatGPT conversations and finally to sophisticated shell-based loaders with dynamic AppleScript payloads. Threat actors use Google-sponsored search results to redirect victims to fake CAPTCHA pages that trick users into executing malicious terminal commands. The stealer targets browser credentials, cryptocurrency wallets, SSH keys, cloud provider credentials, and Keychain data. A critical capability includes trojanizing Ledger hardware wallet applications to capture seed phrases. The February 2026 campaign generated over 18,000 clicks in three days, with Russian-language comments suggesting operators work within a Russian-speaking ecosystem. The malware employs API key-gated C2 infrastructure and in-memory execution for evasion.
Jamf Threat Labs discovered a ClickFix-style macOS attack that abuses the applescript:// URL scheme to launch Script Editor and deliver an Atomic Stealer infostealer payload — bypassing Terminal entirely.
Insikt Group identified five distinct clusters using the ClickFix social engineering technique for initial access. These clusters impersonate various services like Intuit QuickBooks and Booking.com, demonstrating operational variance but similar core techniques. ClickFix manipulates victims into executing malicious commands within native system tools, bypassing traditional security controls. The methodology has become a standardized template for cybercriminals and APT groups. Campaigns target diverse sectors and use sophisticated obfuscation and living-off-the-land tactics. Defenders are advised to implement aggressive behavioral hardening and user awareness training to mitigate these threats.
LeakNet, a ransomware operator, has expanded its initial access methods by utilizing ClickFix lures on compromised websites and implementing a new Deno-based, in-memory loader. The group has shifted from relying on initial access brokers to running its own campaigns. LeakNet's post-exploitation playbook remains consistent, involving jli.dll side-loading, PsExec-based lateral movement, and S3 bucket payload staging. The Deno loader executes base64-encoded payloads in memory, making detection challenging for traditional security tools. Defenders are advised to focus on behavioral signals and implement measures such as blocking newly registered domains, restricting Win-R access, and limiting PsExec usage to authorized administrators.
IBM X-Force discovered a likely AI-generated malware named 'Slopoly' used in a ransomware attack by the Hive0163 group. This marks the beginning of AI adoption among cybercrime groups, potentially transforming the threat landscape. Slopoly, while relatively unsophisticated, demonstrates how easily threat actors can use AI to develop new malware quickly. The attack involved ClickFix social engineering, NodeSnake malware, and InterlockRAT, culminating in the deployment of Interlock ransomware. This incident highlights the growing trend of AI-generated and AI-integrated malware, which could lead to more ephemeral and difficult-to-attribute attacks, challenging traditional threat intelligence methods.
A new variant of the ClickFix technique has been identified, where attackers convince users to execute malicious commands on their devices through the Win + R shortcut. This variation uses a 'net use' command to map a network drive from an external server, followed by executing a '.cmd' batch file. The script downloads a ZIP archive, unpacks it, and executes a legitimate WorkFlowy application with modified, malicious logic hidden inside an '.asar' archive. This acts as a C2 beacon and a dropper for the final malware payload. The attack bypasses typical detection methods and utilizes Electron application bundling to hide malicious code.
A sophisticated infection chain has been discovered that installs CastleRAT malware without leaving traces on disk. The attack uniquely abuses the Deno runtime as a malicious framework, combining social engineering, steganography, and in-memory execution to evade detection. The process involves tricking users into executing a command, installing Deno, running obfuscated JavaScript, and decoding a payload hidden in a JPEG image. CastleRAT then gains total control, performing host fingerprinting, keylogging, clipboard hijacking, digital identity theft, and audio/video surveillance. This campaign demonstrates the evolution of malware towards invisibility and the need for advanced endpoint behavioral monitoring to detect such threats.
A deceptive website impersonating CleanMyMac tricks users into installing SHub Stealer, a sophisticated macOS malware. The malware steals sensitive data, including passwords, browser data, cryptocurrency wallets, and Telegram sessions. It can also modify wallet apps to steal recovery phrases. The attack begins with users pasting a command into Terminal, which downloads and executes a malicious script. The malware performs extensive data collection from various browsers and wallet applications, and installs persistent backdoors in certain crypto wallet apps. SHub Stealer is part of a growing family of AppleScript-based macOS infostealers, demonstrating increasing sophistication in targeting Mac users.
A campaign using fake Zoom and Google Meet pages to lure victims into fraudulent video calls has been identified. The attackers use these pages to deliver remote-access software. Multiple domains hosting identical fake meeting pages were discovered, with one domain previously linked to a ClickFix campaign. The fake interfaces show an active meeting with expected participants. When victims join, they are prompted to download a file disguised as a Zoom update. Various payloads were identified, including executables masquerading as meeting updates, MSI installers deploying legitimate remote support software, and commercial monitoring software configured for covert remote access. The campaign's goal appears to be establishing remote access using whichever tool is most effective.
A suspected Iran-nexus threat actor, dubbed Dust Specter, targeted Iraqi government officials in January 2026. The campaign involved impersonating Iraq's Ministry of Foreign Affairs and using compromised government infrastructure to host malicious payloads. Two attack chains were identified, utilizing previously undocumented malware including SPLITDROP, TWINTASK, TWINTALK, and GHOSTFORM. The malware employed creative evasion techniques, leveraged generative AI for development, and used file-based polling mechanisms for command execution. The campaign also incorporated ClickFix-style attacks and social engineering lures. Attribution to an Iran-nexus group is based on code similarities, victimology, and overlapping tactics with known Iranian APT groups.
