HJT log, anyhelp is greatly appreciated.

Thank you in advance.

With this lot in mind:

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://qus7.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://srch-qus7.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-qus7.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://srch-qus7.hpwis.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-qus7.hpwis.com/
O1 - Hosts: 255.255.255.255 ar.atwola.com atdmt.com avp.ch avp.com avp.ru awaps.net ca.com dispatch.mcafee.com download.mcafee.com download.microsoft.com downloads.microsoft.com engine.awaps.net f-secure.com ftp.f-secure.com ftp.sophos.com go.microsoft.com liveupdate.symantec.com mast.mcafee.com mcafee.com msdn.microsoft.com my-etrust.com nai.com networkassociates.com office.microsoft.com phx.corporate-ir.net secure.nai.com securityresponse.symantec.com service1.symantec.com sophos.com spd.atdmt.com support.microsoft.com symantec.com update.symantec.com updates.symantec.com us.mcafee.com vil.nai.com viruslist.ru windowsupdate.microsoft.com www.avp.ch www.avp.com www.avp.ru www.awaps.net www.ca.com www.f-secure.com www.kaspersky.ru www.mcafee.com www.my-etrust.com www.nai.com www.networkassociates.com www.sophos.com www.symantec.com www.trendmicro.com www.viruslist.com www.viruslist.ru www3.ca.com
O2 - BHO: Internet Explorer Web Content Catcher - {FFF4E223-7019-4ce7-BE03-D7D3C8CCE884} - C:\Program Files\DNS\Catcher.dll
O4 - HKLM\..\Run: [[^Yx] C:\WINDOWS\System32\bvpokjjg.exe
O4 - HKLM\..\Run: [uczgvkoolshwliasbqf] C:\WINDOWS\System32\xuvqukzqcedm.exe
O4 - HKCU\..\Run: [services32] C:\Program Files\Common Files\Windows\mc-58-12-0000133.exe
O4 - HKCU\..\Run: [DNS] C:\Program Files\Common Files\mc-58-12-0000133.exe
O23 - Service: Content Monitoring Tool (msCMTSrvc) - Unknown owner - C:\WINDOWS\system32\msCMTSrvc.exe (file missing)
O23 - Service: NetDDE Server (NetDDEsrv) - Unknown owner - C:\WINDOWS\System32\netddesrv.exe (file missing)
O23 - Service: Remote Procedure Call (RPC) Monitoring (Rpcmon) - Unknown owner - C:\WINDOWS\System32\Rpcmon.exe (file missing)

go to How to remove Begin2Search/Coolwebsearch and Other Nasties

Then post a new log