Avast Software, which provides the world's most widely-used consumer security software through a freemium model, filed on Wednesday with the SEC to raise up to $200 million in an initial public offering. The Prague-based company, which was founded in 1988, is backed by Summit Partners. Avast Software booked $66 million in sales for the 12 months ended June 30, 2011 and plans to list under the symbol AVST. UBS Investment Bank and Deutsche Bank Securities are the lead underwriters on the deal. No pricing terms were disclosed.
