Hello, and welcome to PCHF.
Please go to Control Panel > Add/Remove Programs and uninstall the following if present:
IstBar
Gamesbar
Gator
Reboot if prompted.
Tlease run HijackThis and place a checkmark by the following entries:
O4 - HKCU\..\Run: [MP3download] rundll32.exe C:\WINDOWS\system32\MSA64CHK.dll,DllMostrar Matrix_HTML:MP3download:t
O9 - Extra button: Ãâ·Ñ¾«²ÊÊÓÆµ³¬Á÷³©ÔÚÏß¹Û¿´ - {022C4009-5283-4365-97BF-144054B40E2E} - http://itv.mop.com (file missing)
O9 - Extra 'Tools' menuitem: ²¥°ÔµçÊÓ - {022C4009-5283-4365-97BF-144054B40E2E} - http://itv.mop.com (file missing)
O9 - Extra button: (no name) - {1A93C934-025B-4c3a-B38E-9654A7003239} - C:\Program Files\GamesBar\oberontb.dll
O9 - Extra 'Tools' menuitem: GamesBar - {1A93C934-025B-4c3a-B38E-9654A7003239} - C:\Program Files\GamesBar\oberontb.dll
O9 - Extra button: MP3download - {76DD9E77-F06C-4471-AB6C-CF03C5C6B5B0} - C:\WINDOWS\system32\MP3download (file missing)
Close all other windows except HijackThis and press "Fix Checked". Then close HijackThis and restart the computer.
Next, navigate to and delete the following
files/folders:
C:\Downloads\Bej2Setup_TryGames-dm[1].exe <-
file
C:\WINDOWS\system32\actskn45.ocx <-
file
C:\Program Files\Common Files\rjdljpbr\ <-
folder
C:\Program Files\GamesBar\ <-
folder
Reboot again. Run a new scan with both HijackThis and AVG AntiSpyware and post the two new logs in your next reply.