9 common types of computer virus Macro viruses Polymorphic viruses Resident viruses Boot sector viruses Multipartite viruses Droppers Beacon/payload Packers Command and control Virus types defined ...

All three types of malware can be dangerous and cause significant harm to computer systems and networks. Viruses, worms, and Trojans can cause a range of problems, including: ...

The computers were infected by three different types of viruses and 118,000 computers crashed on one day alone, Xinhua news agency said on its Web site (www.news.xinhuanet.com), citing the Beijing ...