Open task manager (CTRL + ALT + Delete) (Or right clicking on the taskbar and clicking start task manager), Google the names of all the processes you see on the task manager (To see if they are safe),
if you see it as unsafe right click on the process and click "Open file location", make a copy of it to the desktop, upload the file to https://www.virustotal.com/ (To check if it is safe),
if it comes back as malware (Over 50/50 or if over 2 major antivirus vendors detect it (Kaspersky, AVG, Mcafee, ESET-NOD32, Malwarebytes, SUPERAntiSpyware or TrendMicro),
tell us if anything at all comes up and the link to the scan,
just copy the link in the address bar) right click on the process and click end process. If you got a result of malware (Over 50/50) open the start menu, type in msconfig, go to the "Startup" tab, if the under "Command" was detected as malware by Virustotal untick the checkbox.
Once you have done click "Apply", once you exit DO NOT reboot your computer.
On Google Chrome click the tools (Can be a wrench or 3 kind of line things), view background pages and end everything that is slightly orange, open settings, extensions and remove everything.
After you have done that reboot your computer into safe mode (the key to enter it varies from computer to computer but for me it is f8, just remember to press the key before windows starts loading. If f8 doesn't do it use your search engine to find what your key to do it is), once it is loaded in safe mode run a scan with your antivirus then