Cybersecurity researchers have disclosed a malware campaign that uses fake software installers masquerading as popular tools like LetsVPN and QQ Browser to deliver the Winos 4.0 framework.
The campaign, first detected by Rapid7 in February 2025, involves the use of a multi-stage, memory-resident loader called Catena.
“Catena uses embedded shellcode and configuration switching logic to stage

Oh hi there 👋
It’s nice to meet you.

Sign up to receive awesome content in your inbox, every month.

We don’t spam! Read our privacy policy for more info.

Oh hi there 👋
It’s nice to meet you.

Sign up to receive awesome content in your inbox, every month.

We don’t spam! Read our privacy policy for more info.

By rooter