How Many Different Microsoft Windows File Types can be Infected with a Virus??

What Files do Viruses Infect?

Viruses can infect many different types of files or programs critical programs used by the operating system; document files such as Word or Excel ; even specialized firmware programs tied to the computers hardware, like the Master Boot Record MBR.

Which of the Following Type of Virus Infects an Executable Program File?

A wellknown boot sector virus is the Michelangelo virus. File infectors, as their name implies, "infect" files on a computer by attaching themselves to executable files. They do this by either appending their code to the file or overwriting portions of the file code.

What File Types can be Malicious?

EXE.
SCR.
PDF.
VBS.
RTF.
DOC.
XLS.

What are the Different Ways in which Computer Gets Infected with Virus?

Opening Links in Emails from Unknown Senders. This is probably the most effective way of disseminating malware.
Downloading Malware from Untrustworthy Sites.
Clicking Online Ads.
Social Media Scams.
Software that Hasn't Been Patched Properly.

What Files can be Infected with Malware?

Microsoft Office files, all Word documents DOC, DOCX, Excel spreadsheets XLS, XLSX, XLSM, presentations and templates are also very popular with cybercriminals. These files may contain integrated macros small programs that run inside the file, which cybercriminals use as scripts to download malware.