Original,
Hi and welcome to the Daniweb forums :).
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When we're done cleaning off your system, I'd recommend that you install all the critical windows updates available from Microsoft, up to service pack 1. This will help to make your system more secure and prevent many 'problems' from reoccurring in the future.
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Please visit at least two of the following sites for an online virus scan:
BitDefender Free Online Virus Scan
http://www.bitdefender.com/scan/licence.php
Make sure you tick AutoClean under Scan Options.
Panda ActiveScan
http://www.pandasoftware.com/activescan/com/activescan_principal.htm
Make sure you tick Disinfect automatically under Scan Options.
Housecall at TrendMicro
http://housecall.trendmicro.com/housecall/start_corp.asp
Make sure you tick Auto Clean.
When it completes, post back the full filename of any files that cannot be cleaned or deleted.
eTrust Antivirus Web Scanner
http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
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Now, let's open a command prompt by going to the start menu and then select 'Run'.
In the box that pops up type in 'cmd'. The command prompt will open.
OR
You can go to Start -> Programs -> Accessories -> Command Prompt. Unregister the dll(s) we're going to remove, by entering the following:
regsvr32 /u pxwma.dll
It's ok, if these aren't found or 'error' out. If you want, just copy and paste the individual lines to the command prompt to save typing them in.
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Run HiJackThis then:
1. Click "Open the Misc Tools Section"
2. Click "Open Process manager"
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Next, while holding down the CTRL key, locate (if present) and click on (highlight) each of the following:
C:\WINDOWS\System32\bwfwu.exe
Now double-check and make sure that only those item(s) above are highlighted, then click "Kill process". Now, click "Refresh", check again, and repeat this step if any remain.
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Still in HiJackThis, click "Scan", then check(tick) the following, if present:
R3 - Default URLSearchHook is missing
O2 - BHO: Interface Object - {58F07DD3-924D-4141-BC74-299F523A95F1} - C:\WINDOWS\pxwma.dll
O2 - BHO: (no name) - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - (no file)
O4 - HKLM\..\Run: [Aubrte] C:\Program Files\Qqua\Zkuvsc.exe
O4 - HKLM\..\Run: [cveaxa] C:\WINDOWS\System32\cveaxa.exe
O4 - HKCU\..\Run: [bwfwu] C:\WINDOWS\System32\bwfwu.exe
O15 - Trusted Zone: http://www.neededware.com
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:
folders...
C:\Program Files\Qqua
files...
C:\WINDOWS\System32\bwfwu.exe
C:\WINDOWS\pxwma.dll
C:\WINDOWS\System32\cveaxa.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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After rebooting, rescan with hijackthis and post back a new log. Please let me know how your pc is now.
