Win32/Fesber [Threat Name] go to Threat

Win32/Fesber.A [Threat Variant Name]

Category worm
Size 16896 B
Aliases Worm.Win32.Fesber (Kaspersky)
  W32/Fesber.worm.gen (McAfee)
  W32.HLLP.Yero.Worm.dr (Symantec)
Short description

Win32/Fesber.A is a worm , that repeatedly tries to copy itself into certain folders.


When executed, the worm repeatedly duplicates itself.

The files are saved into the following folder:

  • %temp%

The following filename is used:

  • tmp%variable%.exe

A string with variable content is used instead of %variable% .

The file is then executed.

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