In general terms, an .exe (executable) file is a program that runs on Windows. A malicious version, like virus.exe , is code written to replicate itself or deliver a "payload"—the specific harmful action it was built to perform. Key Characteristics of Malicious Executables
: This is the "mission" of the virus, which could range from displaying annoying pop-up messages to encrypting your entire hard drive for ransom. virus.exe
: Viruses typically attach themselves to other legitimate files. When the infected file is opened, the virus runs and spreads to more files. In general terms, an
: Developers often use "packers" to obscure the code or "polymorphic" techniques to change its appearance, making it harder for antivirus software to detect. : Viruses typically attach themselves to other legitimate
: Pop-ups, changed browser homepages, or unwanted emails sent from your account.
: Antivirus software may be turned off or unable to update. How to Stay Safe Download Anti Malware Testfile - EICAR