Rogue software often hides in temporary folders. Deleting these can speed up your virus scan and sometimes remove the initial installer. Search for in the Start menu.
Once in Safe Mode, run a deep scan using a trusted "second opinion" scanner. You can download these on a clean computer and move them via a USB drive if the infected PC's internet is blocked. Cleaning an Infected Computer of Malware How to Remove System Security Virus Infection
Select the drive, check the boxes for Temporary Files , and click OK to delete them. 4. Use Reputable Removal Tools Rogue software often hides in temporary folders