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Happy99
Aliases: Win32.Ska, Spanska
Type: Email worm
Systems Affected: Win 95, 98, NT, 2000
Payload: No
ITW: Yes
Origin:
Description: Each time the infected user sends an email or posts to a newsgroup, the worm composes and sends a second one with no text but carrying an infected attachment of itself.
What to look for: Check the Windows\System directory for the presence of SKA.EXE and SKA.DLL
How to prevent it: Do not open attachments named Happy99.exe. Do not open any attachments that were unexpected - regardless of source.
