If you are malware hit....u r likely to see one or few or all of these symptoms:
Your programs and files are suddenly missing.
Homepage of your web browser has changed.
Search results are being redirected.
You start ending up at websites you didn't intend to go to.
New icons & programs appear on the desktop that you did not put there.
Your desktop background has changed without your knowledge.
Your programs won’t start.
Your security protection have been disabled for no apparent reason.
You cannot connect to the internet or it runs very slowly.
Strange or unexpected toolbars appear in your web browser.
Takes longer to start and runs more slowly than usual.
Computer shows strange error messages or popups.
Freezes or crashes randomly.
Computer is performing actions on its own.
You cannot access security related websites.