W32.Mugly.B@mm is a worm that uses its own SMTP engine to spread by sending itself as an email attachment to addresses gathered from the infected computer. It also drops and runs a W32.Spybot.Worm
variant, and may attempt to open a back door on the infected computer.
W32.Mugly.B@mm is a repacked variant of W32.Mugly.A@mm
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