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JS.Gigger.A@mm

Risk Level 2: Low

Discovered:
January 9, 2002
Updated:
January 11, 2002 6:35:30 PM
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
JS.Gigger.A@mm is a mass mailing worm that sends itself to all email addresses in the user's Outlook address book. It also uses a script file to spread itself through IRC if the mIRC client is installed.

Gigger also adds a line to the autoexec.bat file that will format the C drive on the next system reboot.
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.

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