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What is the difference between antivirus signatures and antivirus definitions?
I knew antivirus signatures are hashes into databases, often MD5 or SHA1 hashes, that detect known malware by identifying matches. However, I also recently thought definitions are a scanner that detects suspicious attributes, e.g. rootkit technology. Recently I asked a question on Yahoo Answers to confirm the meaning of definitions, and an answerer replied that definitions are signatures. What is the difference between antivirus signatures and antivirus definitions? I would never want to use multiple words with the same meaning.
2 Answers
- JamesLv 66 years agoFavorite Answer
The terms are synonymous. Antivirus signatures and antivirus definitions are the same, but may be referred to differently by various antivirus software vendors.
From the link below, " Depending on the antivirus vendor, a signature may be referred to as a signature, a definition file, or a DAT file."
