Shell.exe and spoolvs.exe are components of trojan known as TROJ_RENOS.BX, Trojan.Win32.Qhost.abh , Trojan.Dropper, TR/Crypt.XDR.Gen, W32/Blocker-based!Maximus, Mal/TinyDL-T. Shell.exe and spoolvs.exe trojan symptoms: Start > Settings -> Control panel is missing Task bar icons informing you of an infection and taking you to legit looking security panel System pop ups and IE pop ups When you start