Virus defense method and device and electronic equipment

The embodiment of the invention discloses a virus defense method and device and electronic equipment, relates to the field of information security, and is favorable for improving the virus defense capability of a client. The virus defense method applied to the client comprises the following steps: receiving a simulated virtual machine instruction issued by a server; analyzing the simulated virtualmachine instruction to obtain operation information of a simulated virtual machine; according to the operation information, locally executing an operation of simulating a virtual machine; the methodapplied to the server comprises the following steps: acquiring simulated virtual machine operation information from a simulated virtual machine information database; and issuing the simulated virtualmachine operation information to a client, so that the client executes the operation of the simulated virtual machine according to the simulated virtual machine operation information. The invention issuitable for clients and se