It's most probably a malware infection.
I will not be helping you(because I'm still under training), but rather, I'm helping the Mods and all other members.
Download
HijackThis to a permanent folder such as My Documents\HijackThis.
After the download is complete, navigate to the folder where you have saved HijackThis.exe .
- Double click on HijackThis to open the tool.
- Close all other open windows and click on "Do a system scan and save a logfile".
- After the scan is complete, please copy and paste your log here.
Thank you