Sorry for the delay responding to your post. Please run these scans and post the corresponding logs in your next reply.
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1.Security Check
Download Security Check by screen317 from here or here.
Save it to your Desktop.
Right click SecurityCheck.exe, select "Run as Administrator" and follow the onscreen instructions inside of the black box.
A Notepad document should open automatically called checkup.txt; please post the contents of that document.
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2.aswMBR
Download aswMBR.exe and save it to your desktop.
Right click and select "Run as Administrator".
When asked if you want to download Avast's virus definitions please select Yes.
Click Scan
Upon completion of the scan, click Save log and save it to your desktop, and post that log in your next reply for review. Note - do NOT attempt any Fix yet.
You will also notice another file created on the desktop named MBR.dat. Right click that file and select Send To>Compressed (zipped) file. Attach that zipped file in your next reply as well.
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3.OTL
Download OTL to your desktop.
Make sure all other windows are closed and to let it run uninterrupted.
Windows XP : Double click on the icon to run it.
Windows Vista, Windows 7 & 8 : Right click and select "Run as Administrator"
When the window appears, underneath Output at the top change it to Minimal Output.
Check the boxes beside LOP Check and Purity Check.
Under Custom Scan paste this in
netsvcs
%SYSTEMDRIVE%\*.exe
/md5start
explorer.exe
winlogon.exe
Userinit.exe
svchost.exe
services.exe
/md5stop
%systemroot%\*. /rp /s
%systemdrive%\$Recycle.Bin|@;true;true;true
%USERPROFILE%\..|smtmp;true;true;true /FP
%temp%\smtmp\*.* /s >
BASESERVICES
DRIVES
CREATERESTOREPOINT
Click the Run Scan button. Do not change any settings unless otherwise told to do so. The scan wont take long.
When the scan completes, it will open two notepad windows. OTL.Txt and Extras.Txt. These are saved in the same location as OTL.
Please copy (Edit->Select All, Edit->Copy) the contents of these files, one at a time, and post it with your next reply.