Threat description search results - Microsoft Security Intelligence

"infect.exe" is a common name for a malicious file, typically associated with . These programs attach their own code to legitimate executable files to replicate and spread throughout a system. What is a File-Infecting Virus?

A file infector is a type of malware that targets .exe or .com files. When a user runs the "infected" program, the virus code activates before or alongside the original program, often performing the following actions: