Malware and Viruses differ a bit, but both are related to bugs.
Malware -
Malware is mostly considered as software with malicious intent. Web-based malware is a serious threat that can hurt your website, which directly affects your business and its functions.
Worms, Trojan, Scareware are some types of malware.
Virus -
A virus is much like a trojan, worms, scareware specific form of malware. That means, the virus is a malware, but not all malware is viruses.
Malware -
Malware is mostly considered as software with malicious intent. Web-based malware is a serious threat that can hurt your website, which directly affects your business and its functions.
Worms, Trojan, Scareware are some types of malware.
Virus -
A virus is much like a trojan, worms, scareware specific form of malware. That means, the virus is a malware, but not all malware is viruses.