Malware

Pierluigi Paganini November 29, 2018
Dissecting the Mindscrew-Powershell Obfuscation

The Yoroi-Cybaze ZLAB dissected the VBS script embedded into the zip archives delivered to the victims of a recent attack. Introduction Few days ago, the CERT-Yoroi bulletin N061118 disclosed a dangerous campaign attacking several Italian users. The attack wave contained some interesting techniques need to look into further, especially regarding the obfuscation used to hide the malicious […]

Pierluigi Paganini November 29, 2018
U.S. DoJ charges Iranian duo over SamSam Ransomware activity

The U.S. DoJ charges two Iranian men over their alleged role in creating and spreading the infamous SamSam ransomware. Two Iranian men, Faramarz Shahi Savandi (34) and Mohammad Mehdi Shah Mansouri (27) have been charged by DoJ for their role in creating and distributing the dreaded SamSam ransomware. The duo faces six hacking and extortion-related charges, including conspiracy […]

Pierluigi Paganini November 28, 2018
FBI along with security firms dismantled 3ve Ad Fraud Operation

FBI along with cybersecurity firms dismantled a sophisticated ad fraud scheme that allowed its operators to earn tens of millions of dollars Law enforcement and private firms such as Google and WhiteOps took down one of the largest and most sophisticated digital ad-fraud campaign, tracked as Dubbed 3ve, that infected over 1.7 million computers to carry out advertising frauds. The […]

Pierluigi Paganini November 27, 2018
The SLoad Powershell malspam is expanding to Italy

A new malspam campaign hit Italy in this days, threat actors are spreading a new variant of a powerful downloader named sLoad. sLoad is a sophisticated script, used in the past to deliver different types of malware such as the dreaded “Ramnit banker”. “In the past months CERT-Yoroi observed an emerging attack pattern targeting its […]

Pierluigi Paganini November 26, 2018
Ransomware attack disrupted emergency rooms at Ohio Hospital System

Ransomware attacks continue to threaten the healthcare industry, the last incident in order of time impacted the Ohio Hospital System. The ransomware attack infected computer systems at the East Ohio Regional Hospital and Ohio Valley Medical Center reportedly caused the disruption of the hospitals’ emergency rooms. The malware hit the Ohio Hospital System on Friday, Nov. 23, evening, […]

Pierluigi Paganini November 26, 2018
Experts found a new powerful modular Linux cryptominer

Security experts from Russian antivirus firm Dr.Web have discovered a new strain of Linux cryptominer tracked as Linux.BtcMine.174. The Linux cryptominer has a multicomponent structure that implements a broad range of features in over 1,000 lines of code. When the Monero Linux cryptominer is first executed it checks whether the server, from which the Trojan will subsequently […]

Pierluigi Paganini November 23, 2018
New Emotet Thanksgiving campaign differs from previous ones

Researchers from Forcepoint observed a new Emotet Thanksgiving-themed campaign that appears quite different from previous ones. Security researchers from Forcepoint have observed a new Emotet Thanksgiving-themed campaign that appears quite different from previous ones. EMOTET, aka Geodo, is a banking trojan linked to the dreaded Dridex and Feodo (Cridex, Bugat)  malware families. In past campaigns, EMOTET was used by crooks […]

Pierluigi Paganini November 23, 2018
Exclusive Cybaze ZLab – Yoroi – Hunting Cozy Bear, new campaign, old habits

The experts at Cybaze ZLab – Yoroi continue the analysis of new strain of malware used by the Russia-linked APT29 cyberespionage group (aka Cozy Bear) The experts at Cybaze ZLab – Yoroi continue the analysis of new strain of malware used by the Russia-linked APT29 cyberespionage group (aka The Dukes, Cozy Bear, and Cozy Duke). The researchers of Yoroi ZLab, on […]

Pierluigi Paganini November 23, 2018
13 fraudulent apps into Google Play have been downloaded 560,000+ times

Malware researcher discovered 13 fraudulent apps into Google Play that have been already downloaded and installed more than 560,000 times. Malware researcher Lukas Stefanko from security firm ESET discovered 13 malicious apps into Google Play that have been already downloaded and installed over half a million times (+560,000). The malicious apps could allow attackers to […]

Pierluigi Paganini November 22, 2018
Experts found first Mirai bot targeting Linux servers via Hadoop YARN flaw

Security experts from Netscout Asert discovered more than ten Mirai bot variants attempting to exploit a recently disclosed flaw in Hadoop YARN on Intel servers. These Mirai variants are the first one that doesn’t target Internet of Things devices, the bot was specifically developed to target Linux servers. The Hadoop YARN is vulnerability is a command injection […]