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.
Kaspersky has released a new virus removal tool named KVRT for the Linux platform, allowing users to scan their systems and remove malware and other known threats for free. [...]
Europol and German law enforcement have revealed the identities of eight cybercriminals linked to the various malware droppers and loaders disrupted as part of the Operation Endgame law enforcement operation. [...]
Cybercriminals are distributing a malware cocktail through cracked versions of Microsoft Office promoted on torrent sites. [...]
A malware botnet named 'Pumpkin Eclipse' performed a mysterious destructive event in 2023 that took 600,000 office/home office (SOHO) internet routers offline, according to a new report by researchers at Lumen's Black Lotus Labs. [...]
A malware botnet named 'Pumpkin Eclipse' performed a mysterious destructive event in 2023 that took 600,000 office/home office (SOHO) internet routers offline, according to a new report by researchers at Lumen's Black Lotus Labs. [...]
An international law enforcement operation codenamed 'Operation Endgame' has seized over 100 servers worldwide used by multiple major malware loader operations, including IcedID, Pikabot, Trickbot, Bumblebee, Smokeloader, and SystemBC. [...]
An international law enforcement operation codenamed 'Operation Endgame' has seized over 100 servers worldwide used by multiple major malware loader operations, including IcedID, Pikabot, Trickbot, Bumblebee, Smokeloader, and SystemBC. [...]
Cybercriminals are abusing Stack Overflow in an interesting approach to spreading malware—answering users' questions by promoting a malicious PyPi package that installs Windows information-stealing malware. [...]
Over 90 malicious Android apps were found installed over 5.5 million times through Google Play to deliver malware and adware, with the Anatsa banking trojan seeing a recent surge in activity. [...]