Hi and welcome to Daniweb forums :).
Can you please do the following.
Please go to Jotti's and have this file scanned. Post the results back here.
C:\WINDOWS\qtask.exe
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Run HiJackThis, click "Scan", then check(tick) the following, if present:
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\WINDOWS\SYSTEM\blank.htm
R3 - URLSearchHook: (no name) - ~CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
O4 - HKLM\..\Run: [REGRUN] C:\blerp.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
...(Unless you've set these with an anti-spyware program like SpyBot's Immunize feature, have HiJackThis fix this.)
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://207.188.7.150/093bbf329ae11f...ip/RdxIE601.cab
O23 - Service: Windows UDP Communication (wudpcom) - Unknown owner - C:\WINDOWS\system32\wudpcom.exe
Now, close all instances of Internet Explorer and any other windows you have open except HiJackThis, click "Fix checked".
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Locate and delete the following item(s), if present. Make sure you are able to view system and hidden files/ folders:
files...
C:\blerp.exe
C:\WINDOWS\system32\wudpcom.exe
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Note that some of these file(s)/folder(s) may or may not be present. If present, and cannot be deleted because they're 'in use', try deleting them in " Safe Mode ".
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Reboot.
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To help protect your system from hostile ActiveX content, or special 'downloadable' files:
Download, install and keep updated, SpywareBlaster . If you've installed it for the first time:
1) Check for any available updates; if present, they'll be automatically downloaded and installed.
2) Next, "Enable all protection".
3) Exit the program.
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Note: Remember to regularly check for updates.
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After rebooting, rescan with hijackthis and post back a new log. Please let me know how your pc is now.