Hi
No worries
Open HijackThis, click do a system scan only and checkmark these:
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,(Default) = about:blank <--- only if you haven't set it by yourself
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: (no name) - {35E78239-811E-4c3f-B37D-F339AC16C2C0} - (no file)
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O3 - Toolbar: The retnsrp - {3D46AE4E-ADB7-48AB-B320-FECBB192BF06} - C:\WINDOWS\retnsrp.dll (file missing)
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Unknown owner - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe (file missing)[/b]
Close all windows including browser and press fix checked.
Reboot.
Re-scan with kaspersky.
Post:
- a fresh HijackThis log
- kaspersky report