My machine keeps having anti-virus pop-ups about these two files being accessed, services.exe in my System32 with a Trojan.patched.Sirefef.A and a Trojan.Sirefef.FY in windows\assembly\GAC_64\desktop.ini.
Download ComboFix from one of the following locations: Link 1 Link 2
VERY IMPORTANT !!! Save ComboFix.exe to your Desktop
IMPORTANT - Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools. If you have difficulty properly disabling your protective programs, refer to this link here
[*]Double click on ComboFix.exe & follow the prompts.
[*]Accept the disclaimer and allow to update if it asks