- White-hat hacks Muhstik ransomware gang and releases decryption keys
October 7, 2019
A user got his revenge on the ransomware gang who encrypted his files by hacking their server and releasing the decryption keys for all other victims. This happened earlier today and involved the Muhstik gang. Muhstik is a recent strain of ransomware that has been active since late September, according to reports . This ransomware targets network-attacked ...
- Report: Nation state hackers and cyber criminals are spoofing each other
October 4, 2019
Nation-state hackers and cyber criminals are increasingly impersonating each other to try and hide their tracks as part of advanced attack techniques says Optiv Security in its 2019 Cyber Threat Intelligence Estimate report. The top industries being targeted are retail, healthcare, government and financial institutions. Cryptojacking and ransomware are new exploits that join the traditional list of computer ...
- FBI’s new ransomware warning: Don’t pay up, but if you do, tell us about it
October 3, 2019
After a spate of ransomware attacks on government organizations, the FBI has come up with a new stance on paying up ransomware demands. The latest groups to be targeted by high-value ransomware attacks are hospital organizations in Alabama, USA, and Victoria, Australia. Both resulted in hospitals turning away non-critical patients as employees worked to restore IT systems. The attacks on ...
- HQWar: the higher it flies, the harder it drops
October 2, 2019
Mobile dropper Trojans are one of today’s most rapidly growing classes of malware. In Q1 2019, droppers are in the 2nd or 3rd position in terms of share of total detected threats, while holding nearly half of all Top 20 places in 2018. Since the droppers’ main task is to deliver payload while sidestepping the ...
- Dutch police take down hornets’ nest of DDoS botnets
October 2, 2019
Dutch police have taken down this week a bulletproof hosting provider that has sheltered tens of IoT botnets that have been responsible for hundreds of thousands of DDoS attacks around the world, ZDNet has learned. Servers were seized, and two men were arrested yesterday at the offices of KV Solutions BV (KV hereinafter), a so-called bulletproof hosting provider, ...
- New Fileless Botnet Novter Distributed by KovCoreG Malvertising Campaign
October 1, 2019
Trend Micro found a new modular fileless botnet malware, which we named “Novter,” (also reported and known as “Nodersok” and “Divergent”) that the KovCoreG campaign has been distributing since March. We’ve been actively monitoring this threat since its emergence and early development, and saw it being frequently updated. KovCoreG, active since 2011, is a long-running campaign ...
- Thousands of PCs Affected by Nodersok/Divergent Malware
September 27, 2019
New malware identified by Microsoft and Cisco Talos has affected thousands of PCs in the United States and Europe and turns systems into proxies for performing malicious activity, the companies said. The fileless threat—called Nodersok by Microsoft and Divergent by Cisco Talos—has many of its own components but also takes advantage of existing tools to do ...
- WhiteShadow downloader uses Microsoft SQL queries to deliver malicious payloads
September 27, 2019
Researchers have documented the emergence of a downloader that makes use of Microsoft SQL queries to pull and deliver malicious payloads. In August this year, Proofpoint researchers found the new, staged downloader, known as WhiteShadow, which is being used to deliver a variety of malware to vulnerable systems. The cybersecurity team said in a blog post on Thursday ...
- Malware infection disrupts production at defence contractor plants in three countries
September 27, 2019
One of the biggest defence contractors in the world is having a very bad week after malware infected the company’s network and caused “significant disruption” at plants in three countries, the company said on Thursday. The infection took root on Tuesday, September 24, and affected Rheinmetall AG, a German corporation based in Düsseldorf, and one of ...
- Arcane Stealer V Takes Aim at the Low End of the Dark Web
September 27, 2019
A general-purpose info-stealing malware is poised to make a splash in cybercrime circles, thanks to its market niche: It’s positioned as an ideal tool for low-skilled adversaries looking to get some skin in the game without having a lot of expertise. According to the Fidelis Threat Research Team (TRT), the Arcane Stealer V malware is an ...