Acronis has identified a new malware campaign dubbed 'JackFix', which uses fake adult websites to trick users into installing malware through a simulated Windows update. The attack targets vulnerable users with realistic hacking techniques.
Launch of the JackFix Campaign
Launched in late 2025, the JackFix campaign combines psychological manipulation with technological deceit. The attackers employ fake adult websites mirroring popular adult platforms like PornHub. These fraudulent sites prompt users to initiate a fake Windows update, effectively installing harmful malware.
JackFix takes phishing to new heights with a full-screen, realistic Windows Update complete with animations and progressing bar. This is designed to make users believe they are installing necessary security updates.
Tactics and User Impact
Using an adult-themed phishing link strategy, the JackFix attack exploits users’ hesitation and the pressure to comply with urgent security prompts. The fake full-screen Windows Update hijacks the browser, creating a sense of authenticity and urgency to coax users into clicking.
Acronis highlights that such screen-hijacking tactics, though rooted in older scam methods, exhibit novel execution by tricking users into lowering their guard when they visit shady sites.
Protective Measures Suggested
To counter these phishing attempts, users are advised to avoid accessing adult sites through links in unsolicited emails or pop-ups. Instead, experts recommend manually typing URLs directly into the browser to ensure security.
By circumventing suspicious prompts and verifying updates through official channels, users can mitigate the risks JackFix imposes. Acronis emphasizes vigilance as the primary defense against these evolved malware tactics.



