Necurs Botnet

Pierluigi Paganini November 01, 2018
‘Aaron Smith’ Sextortion scam campaigns hit tens of thousands of individuals

Security experts from Cisco Talos have uncovered two recent sextortion scam campaigns that appear to leverage on the Necurs botnet infrastructure. Experts from Cisco Talos analyzed the two campaigns, one of them began on August 30, the other on October 5, the researchers named them ‘Aaron Smith’ sextortion scams after the ‘From: header’ of the messages. […]

Pierluigi Paganini June 26, 2018
Recent spam campaigns powered by Necurs uses Internet Query File attachments

Trend Micro experts reported the Necurs botnet has been using Internet Query (IQY) files in recent spam campaigns to bypass security protections. The Necurs botnet is currently the largest spam botnet, it has been active since at least 2012 and was involved in massive campaigns spreading malware such as the Locky ransomware, the Scarab ransomware, […]

Pierluigi Paganini June 25, 2018
CSE Malware ZLab – A new variant of Ursnif Banking Trojan served by the Necurs botnet hits Italy

Malware researchers from CSE Cybsec ZLab discovered a missed link between the Necurs Botnet and a variant of the Ursnif trojan that recently hit Italy. Starting from 6th June, a new version of the infamous banking trojan Ursnif hit Italian companies. This malware is well known to the cyber-security community, the Ursnif banking Trojan was […]

Pierluigi Paganini April 27, 2018
Necurs Spam Botnet operators adopt a new technique to avoid detection

Operators behind the Necurs botnet, the world’s largest spam botnet, are currently using a new evasion technique attempting to surprise the unprepared defenses. Necurs is the world’s largest spam botnet, it is composed of millions of infected computers worldwide. Necurs was not active for a long period at the beginning of 2017 and resumed its activity in April […]

Pierluigi Paganini February 13, 2018
Necurs botnet is behind seasonal campaigns of Valentine’s Day-themed spam

Necurs botnet made headline again, the experts at IBM X-Force research team observed a spike in seasonal campaigns of Valentine’s Day-themed spam emails. Necurs botnet made headline again, the experts at IBM X-Force research team observed a spike in the activity of the infamous botnet. Necurs was not active for a long period at the beginning of 2017 and resumed it activity in April 2017. The Necurs botnet was used […]

Pierluigi Paganini November 25, 2017
A new version of the Scarab ransomware is now being distributed via the Necurs botnet

The Scarab ransomware is now being distributed to millions of users via a massive spam campaign powered with the dreaded Necurs botnet. Scarab is a strain of ransomware, first spotted in June by the security researcher Michael Gillespie, that is now being distributed to millions of users via a massive spam campaign powered with the dreaded Necurs […]

Pierluigi Paganini October 18, 2017
The Necurs botnet is back spreading a downloader with new interesting features

The Necurs botnet is spreading a new downloader that takes screenshots of the victims’ desktops and Runtime Errors back to the operators. The Necurs botnet is back once again, the dreaded botnet was spreading a downloader that takes screenshots of the victims’ desktops and Runtime Errors back to the attackers. “Recently we have seen a resurgence of […]

Pierluigi Paganini February 27, 2017
The Necurs botnet is evolving, now includes a DDoS module

The Necurs botnet is evolving and recently the experts at BitSight’s Anubis Labs discovered that it was improved to launch DDoS attacks. The Necurs botnet continues to evolve and recently it was used by crooks not only to spread the dreaded Locky ransomware but he was improved to launch DDoS attacks. According to the researchers BitSight’s […]

Pierluigi Paganini June 26, 2016
Locky Ransomware is back! 49 domains compromised!

Locky ransomware starts up again its illegal activity of stealing money from their victims after a temporary inactivity since the end of May. This time, it comes with hard-coded javascript A new Locky campaign appears in the wild with, experts observed million malicious email messages starting from June 20. Researchers at Proofpoint observed that this […]

Pierluigi Paganini June 10, 2016
Necurs Botnet, one of the world’s largest malicious architecture has vanished

The Necurs Botnet, one of the world’s largest malicious architecture, used to spread the dreaded threats appears to have vanished since June 1. In the last months, we have read a lot of news regarding the activities on one of the largest botnet in the wild that was used by crooks to deliver the Dridex […]