ProferoSec

RansomEXX, Fixing Corrupted Ransom

Since the sudden disappearance of the REvil ransomware operation, there has been a rise in other…

Secrets Behind Ever101 Ransomware

A victim called the incident response teams of Global Threat Center, reporting a seemingly new stream of ransomware attack. Upon investigation, we determined the extension of the encrypted files was certainly new, but the malware displayed significant similarities with…

Cuba Ransomware Group on a Roll

At the end of 2020, our team made up of SecurityJoes and Profero incident responders, led an investigation into a complex attack in which hundreds of machines were encrypted, knocking the victim company offline completely. The threat actors behind the attack deployed the…

APT27 Turns to Ransomware

At the peak of the COVID-19 pandemic and economic crisis, our Global Incident Response and Cyber Crisis Management teams were engaged on several fronts around the world, fighting cybercrime, and even nation-state actors.

A million downloads in 4 days: How was the “Hamagen” application developed

“Hamagen” Application — Fighting the Corona Virus

As an urgent response to the Coronavirus pandemic, the Ministry of Health has decided to develop an application which will fulfill the following requirements :

1. Voluntary — no one will be forced to use the application

Simple Rules to Protect Against Spoofed & windows.net Phishing Attacks