malware

Pierluigi Paganini February 09, 2023
A new variant of ESXiArgs ransomware makes recovery much harder

Experts warn of new ESXiArgs ransomware attacks using an upgraded version that makes it harder to recover VMware ESXi virtual machines. Experts spotted a new variant of ESXiArgs ransomware targeting VMware ESXi servers, authors have improved the encryption process, making it much harder to recover the encrypted virtual machines. The new variant was spotted less than a […]

Pierluigi Paganini February 08, 2023
Russian national pleads guilty to money laundering linked to Ryuk Ransomware operation

A Russian national pleaded guilty in the U.S. to money laundering charges linked to the Ryuk ransomware operation. On February 7, 2023, Russian national Denis Mihaqlovic Dubnikov (30) pleaded guilty in the U.S. to one count of conspiracy to commit money laundering for the Ryuk ransomware operation. Denis Mihaqlovic Dubnikov, 30, was arrested in Amsterdam in November […]

Pierluigi Paganini February 08, 2023
New Graphiron info-stealer used in attacks against Ukraine

A Russia-linked threat actor has been observed deploying a new information stealer dubbed Graphiron in attacks against Ukraine. Researchers from Broadcom Symantec spotted a Russia-linked ATP group, tracked as Nodaria (aka UAC-0056), deploying new info-stealing malware, dubbed Graphiron, in attacks against Ukraine. The Nodaria APT group has been active since at least March 2021, it […]

Pierluigi Paganini February 07, 2023
New Linux variant of Clop Ransomware uses a flawed encryption algorithm

A new Linux variant of the Clop ransomware has been observed in the wild, the good news is that its encryption algorithm is flawed. SentinelLabs researchers have observed the first Linux variant of the Clop ransomware. The researchers noticed that the encryption algorithm implemented in the ELF executable is flawed and can allow victims to […]

Pierluigi Paganini February 07, 2023
VMware has no evidence of zero-day exploitation in ESXiArgs ransomware attacks

VMware said there is no evidence that threat actors are exploiting a zero-day flaw in its software as part of an ongoing ESXiArgs ransomware campaign. VMware said that it found no evidence that the threat actors behind the ongoing ESXiArgs ransomware attacks are leveraging a zero-day vulnerability in VMware ESXi servers. “VMware has not found evidence […]

Pierluigi Paganini February 06, 2023
Italy, France and Singapore Warn of a Spike in ESXI Ransomware

ESXi ransomware targeted thousands of VMware servers in a global-scale campaign, security experts and international CERTs warn. Thousands of computer servers have been targeted by a global ransomware hacking attack targeting VMware (VMW.N) ESXi servers. ESXi is VMware’s hypervisor, a technology that allows organizations to host several virtualized computers running multiple operating systems on a […]

Pierluigi Paganini February 06, 2023
Royal Ransomware adds support for encrypting Linux, VMware ESXi systems

Royal Ransomware operators added support for encrypting Linux devices and target VMware ESXi virtual machines. The Royal Ransomware gang is the latest extortion group in order of time to add support for encrypting Linux devices and target VMware ESXi virtual machines. Other ransomware operators already support Linux encrypting, including AvosLocker, Black Basta, BlackMatter, HelloKitty, Hive, […]

Pierluigi Paganini February 06, 2023
Italian National Cybersecurity Agency (ACN) warns of massive ransomware campaign targeting VMware ESXi servers

The Italian National Cybersecurity Agency (ACN) warns of an ongoing massive ransomware campaign targeting VMware ESXi servers. The Italian National Cybersecurity Agency (ACN) warns of an ongoing massive ransomware campaign targeting VMware ESXi servers worldwide, including Italian systems. The attackers are attempting to exploit the CVE-2021–21974 vulnerability. According to the ACN, most of the attacks […]

Pierluigi Paganini February 05, 2023
Security Affairs newsletter Round 405 by Pierluigi Paganini

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the newsletter with the international press subscribe here. CISA adds Oracle, SugarCRM bugs to its Known Exploited Vulnerabilities Catalog GoAnywhere MFT zero-day flaw actively […]

Pierluigi Paganini February 03, 2023
Russia-linked Gamaredon APT targets Ukrainian authorities with new malware

Russia-linked threat actor Gamaredon employed new spyware in cyber attacks aimed at public authorities and critical information infrastructure in Ukraine. The State Cyber Protection Centre (SCPC) of Ukraine warns of a new wave of targeted attacks conducted by the Russia-linked APT group Gamaredon (aka Shuckworm, Actinium, Armageddon, Primitive Bear, UAC-0010, and Trident Ursa). The attacks aimed at public authorities and critical information […]