The Virus tag covers reported incidents, technical analysis, infrastructure, disruption, and defensive guidance that helps reduce cybersecurity risk.
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Background for this topic.
A computer virus is malware that replicates by inserting its code into other programs or files. When an infected file runs, the virus may modify additional files on the same system and, in some cases, reach other systems through shared storage, removable media, or network access. The term is often used broadly in news, but technically it describes self-replicating, host-dependent malware rather than malware in general.
Viruses matter because infection can alter legitimate software, corrupt data, or provide a foothold for further malicious activity. Security teams should treat unexpected file changes, repeated detections, and unexplained program behavior as indicators for investigation. Useful controls include regularly patched systems, endpoint protection that detects suspicious file modification and execution, restricted use of removable media, and application controls that limit unapproved code. During an incident, isolate affected hosts, preserve samples and relevant logs, identify the original execution path, and restore only from verified clean sources.
Weekly headline count for the current query.
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. [...]
Romanian national Mihai Ionut Paunescu, aka "Virus," was sentenced to three years in prison by a Manhattan federal court for running a bulletproof hosting service and facilitating the distribution of the Gozi (Ursnif), Zeus, SpyEye, and BlackEnergy malware. [...]
Threat analysts have spotted a new variant of the BotenaGo botnet malware, and it's the stealthiest seen so far, running undetected by any anti-virus engine. [...]