Do a HijackThis scan & place a check next to these items and select "Fix checked":
R3 - URLSearchHook: (no name) - - (no file)
O2 - BHO: (no name) - orer - (no file)
O2 - BHO: (no name) - rsion - (no file)
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O20 - AppInit_DLLs: C:\WINDOWS\system32\stdole32.dat
Ignore any error messages
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1. Download & Save this file to Desktop ->
http://download.bleepingcomputer.com...a/ComboFix.exe
2. Double click on combofix.exe & follow the prompts.
3. When finished, it shall produce a log for you. Post that & a fresh Hijackthis log in your next reply
Note:
Do not mouseclick combofix's window whilst it's running. That may cause it to stall
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