Hey abrar !!
Welcome to PCWorld Community !
Well , you're not the first here and we will do our best to help.
First , if you still can access the internet but, mostly , access these sites then
download and install these few security programs :
MalwareBytes AntiMalware . Click on the blue link.
Install AND up-date (Very Important)
SUPERAntiSpyware . Click on the blue link .
Install AND up-date (Very Important).
RogueRemover .Click on the blue link.
Install AND up-date (Very Important).
Now PLZ do a FULL SCAN with both of these programs . This will take a while so, Be Patient.
RogueRemover takse but a few seconds.
Once the scans are don, go to both of there LOGS tabs and Copy - Paste what is in the LOGS
in your next post. There are no logs to retrieve from RogueRemover
IF the infections prevent you from connecting to these sites , try this one
MajorGeeks.com .
[ MajorGeeks|http://www.majorgeeks.com/downloadget.php?id=5756&file=9&evp=693ee0b20204960edfd909666f809b26]{size:-3} |FL - USA|{size}]
Now from this same site search for other programs I have mentioned.
IF you still can't seem to connect to ANY of these sites then download from
a Clean PC onto a USB drive and install from the USB to your infected PC
POst back with the logs and any other info . you might have.
FLASHORN.

Patience is Life.