The Malware tag covers malware families, infrastructure analysis, incident impact, disruption efforts, and defensive guidance to reduce cybersecurity risk.
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Background for this topic.
Malware is software intentionally created or modified to perform unauthorized or harmful actions on a computer, device, or network. The term covers distinct families and functions, including viruses, worms, trojans, spyware, botnet clients, and ransomware; a single sample may combine several capabilities. Its behavior—not its label—determines the security concern: it may execute code, persist, alter or encrypt data, steal credentials, or provide unauthorized remote access.
For practitioners, malware reporting is most useful when it identifies the family or tool conservatively and provides evidence such as affected platforms, samples, infrastructure, or observed behavior. Defenses include promptly patching vulnerable software, restricting execution and privileges, monitoring endpoints and networks, maintaining tested backups, and isolating suspected systems for analysis. Detection should use behavior and verified indicators rather than names alone, since variants change. If malware processes personal or regulated data, investigations should also address privacy, evidence preservation, and applicable reporting obligations.
Malwarebytes has addressed a false positive that was blocking users from accessing websites and services hosted on the google.com domain, including Google search and Youtube. [...]
American video game publisher 2K has confirmed that its help desk platform was hacked and used to target customers with fake support tickets pushing malware via embedded links. [...]
Hackers have compromised the support system of American video game publisher 2K and now are sending support tickets to gamers containing the RedLine password-stealing malware. [...]
Hackers have compromised the support system of American video game publisher 2K and now are sending support tickets to gamers containing the RedLine password-stealing malware. [...]
The Russian state-sponsored hacking group known as Sandworm has been observed masquerading as telecommunication providers to target Ukrainian entities with malware. [...]
The operators of the Chromeloader adware are evolving their attack methods and gradually transforming the low-risk tool into a dangerous malware loader, seen dropping ransomware in some cases. [...]