The Ransomware Attack That Shook US Banking

by Ophtek, LLC | Jan 27, 2026 | financial data, Hackers, Marquis, Ophtek, Ransomware, US Banks

  Dozens of US banks have been attacked by ransomware, which compromised a major tech provider, leading to the loss of significant amounts of secure data. Most people assume that their bank controls all of the technology which secures their accounts, but this is...

DanaBot’s Comeback: A New Variant Threatens Windows PCs

by Ophtek, LLC | Jan 13, 2026 | cryptocurrency wallets, DanaBot, malware-as-a-service, Ophtek, Phishing Email, version 669, Windows

  DanaBot malware is, yet again, infecting Windows machines just six months after a major law-enforcement takedown. Security researchers have discovered a fresh wave of DanaBot attacks which have been targeting Windows PCs. This sudden resurgence in activity...

Time Bomb Malware Found in .NET Extensions

by Ophtek, LLC | Jan 6, 2026 | .NET extensions, developers, Microsoft, Ophtek, Sharp7Extend, Siemens, Time Bomb

  An apparently harmless piece of software has been found to be concealing a destructive slice of malware, and it’s been waiting years to be unleashed. Security researchers have discovered that a set of software packages designed for developers, namely for the...

The Sneaky New Malware That Pretends to Be a Windows Update

by Ophtek, LLC | Dec 30, 2025 | ClickFix, infostealer, Ophtek, Windows update

  A new malware threat uses fake update prompts and hidden image tricks to secretly install dangerous programs on unsuspecting PCs. Responsible PC users understand the importance of installing updates, especially when it’s an operating system update. Therefore,...

Silent Sabotage: The New PlugX + Bookworm Threat

by Ophtek, LLC | Dec 23, 2025 | Bookworm, malicious DLL, Mustang Panda, Ophtek, PlugX malware, RainyDay, Turian, UUID strings

  Threat actors linked to China have refined two strains of malware – PlugX and Bookworm – to slip past defenses in Asia’s telecom and manufacturing sectors. At the heart of this story is an updated malware campaign which is striking telecom and...

How the Vampire Bot Malware Preys on Job Seekers

by Ophtek, LLC | Dec 16, 2025 | BatShadow, job descriptions, job offers, malicious web pages, Ophtek, Vampire Bot Malware, Vietnam

  Posing as recruiters, threat actors are delivering dangerous malware to unsuspecting job seekers thanks to the power of the Vampire Bot malware. A hacking group known as BatShadow has launched a new attack which targets people searching for jobs, especially in...