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Difference between Virus and Malware

DefinitionA specific type of malicious software that self-replicates by infecting other files or systemsA broader term that encompasses various types of malicious software
ReplicationCan replicate itself and spread to other files or systemsCan include self-replicating viruses, but also includes other types of malicious software such as worms, Trojans, adware, spyware, ransomware, etc.
DependencyRequires a host file or program to spread and infectCan be self-contained or depend on other files or systems for execution or spread
IntentDesigned to cause damage, disrupt operations, or gain unauthorized accessDesigned for a variety of purposes including damage, theft, surveillance, or unauthorized access
Infection MethodOften spread through infected email attachments, malicious downloads, or compromised websitesCan be spread through various channels including email, websites, social engineering, removable media, etc.
VisibilityCan be easily detectable and identifiable as a specific type of virusCan be difficult to detect and may require specialized tools or techniques for identification
Malicious ActionsCan delete, modify, or corrupt files, slow down the system, or spread to other systemsCan include a range of actions such as stealing data, displaying unwanted ads, tracking user activities, encrypting files for ransom, etc.
Signature DetectionCan be detected by signature-based antivirus softwareDetection can be based on known signatures, heuristics, or behavior-based analysis
Prevention and RemovalCan be prevented and removed using antivirus software and regular system updatesRequires the use of antivirus and antimalware software, regular updates, and safe browsing practices
ExamplesExamples include the Melissa virus, ILOVEYOU virus, etc.Examples include worms like Conficker, Trojans like Zeus, ransomware like WannaCry, etc.