it attack browser and slow down computer performance

Remove:
- All Antivirus Programs with exeption of SINGLE ONE - Your Choice
- MyWebSearch Toolbar
- Spyware Doctor

Your AVPTool Verson is obslolete, use AVZ , further informations in our [URL="http://virusinfo.info/showthread.php?t=9184"]rules[/URL].

Switch off:
- Antivirus and and, if you have - Firewall.
- System Restore

- [URL="http://virusinfo.info/showthread.php?t=9207"]Execute following script[/URL] in Manual Healing
[CODE]begin
SearchRootkit(true, true);
SetAVZGuardStatus(True);
QuarantineFile('C:\WINDOWS\system32\isimhcdf.dll','');
QuarantineFile('wqsfwe.dll','');
QuarantineFile('iifggdDw.dll','');
QuarantineFile('C:\Program Files\IDA\ida.exe','');
DeleteFile('iifggdDw.dll');
DeleteFile('wqsfwe.dll');
DeleteFile('C:\WINDOWS\system32\isimhcdf.dll');
BC_ImportAll;
ExecuteSysClean;
BC_Activate;
RebootWindows(true);
end.
[/CODE]
After reboot:
- Clean Temp-Maps, Cache of Browsers, Recycler. Use Windows service tool [URL="http://support.microsoft.com/?scid=kb%3Ben-us%3B315246&x=17&y=6"]cleanmgr[/URL] or [URL="http://www.ccleaner.com/"]CCleaner[/URL] or [URL="http://www.clearprog.de/"]ClearProg[/URL]
- Close all the programs and start only Internet Explorer!!!
- Repeat 3 log files in accordance with the [URL="http://virusinfo.info/showthread.php?t=9184"]rules[/URL].
- Switch Antivirus and, if you have - Firewall, on.
- Go On-Line
- Upload the quarantine over the link [COLOR="Red"][B]Upload quarantined files[/B][/COLOR] on the top of this page.
- Attach 3 logs to your new post..