Got win32:steph[wrm]

I got this virus and had already removed it, but my system is still infected. All the audio ( Windows sound, audio archives [mp3,avi,jpeg,divx,…] and videos also ) is reproduced faster then normal. What´s going on? Doesn´t it have >:( >:( to this virus?

Take a look at some of these descriptions:
http://www.virusbtn.com/resources/vgrep/vgrep.cgi?terms=win32%3Asteph&product=0

You could also try an onlinescanner for a second opinion:
Try RAV or Trendmicro: http://www.bul-online.de/av/onlinescan.shtml

http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_STEPH.A

sorry I’m a newbie with avast…:((let’s hope I learn;)) however how i can repair infected virus with avast??

In this case please post a Hijackthis Log: http://mjc1.com/mirror/hjt/