This is a specifically designed to infect Microsoft Office documents (like Word or Excel). Despite the name, it is not a "feature" of any legitimate software; it is malicious code that leverages the macro language in Office to automate harmful tasks. Why You Should Be Careful
Automatically send copies of the infected file to everyone in your contact list.
Was this file unexpectedly, or did you download it from a specific site ? Protect yourself from macro viruses - Microsoft Support
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This is a specifically designed to infect Microsoft Office documents (like Word or Excel). Despite the name, it is not a "feature" of any legitimate software; it is malicious code that leverages the macro language in Office to automate harmful tasks. Why You Should Be Careful
Automatically send copies of the infected file to everyone in your contact list.
Was this file unexpectedly, or did you download it from a specific site ? Protect yourself from macro viruses - Microsoft Support