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XF

Classification

Category:

Malware

Type:

Virus

Aliases:

  • ExcelFormula
  • XLFormula
  • XF97
  • X97F
  • Excel.Formula

Summary

XF ("eXcelFormula") is a general detection for harmful code written with Microsoft Excel's Formulas.

Removal

Technical Details

Harmful code found in a Microsoft Excel file will typically be a macro virus.

Macros are sets of instructions that can be triggered by a single command (or even by clicking a button in a program's user interface). Though macros are extremely useful for automating legitimate but repetitive tasks, they can also be misused to perform harmful actions. When used in a harmful manner, they are referred to as macro viruses.

Macro viruses are most commonly associated with Microsoft Office programs (such as Word, Excel or Access), due to their popularity.

An Excel file with harmful code may hide the page containing the code, or use other social engineering tricks to deceive the user into believing it is legitimate or harmless.

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