System.exe virus infection symptoms:
It would auto open many IE windows hiddenly, so memory would be occupied much, registry is modified by force, processes have additional debug.exe and system.exe applications, as you end them, they would auto form again. Under safe mode, end system.exe process and debug.exe, then in registry, search the virus items then delete. Afterwards, in PE system, delete system.exe and debug.exe, copy debug.exe in the system without virus to the place where is already deleted, then restart system, virus still exists….
 It’s not easy to find system.exe virus, many computers actually already gets infected by viruses, but estimated that no one finds in time, the virus mainly would shut down your firewall or antivirus software automatically, then my Kaspersky exits indescribably. Then I restart it again, for a while, it exits again. At the moment, I didn’t think it was because the virus, I always thought the problem of Kaspersky, and another is that sometimes antivirus software finds the virus but could not kill it.
 System.exe virus has no much damage, also not difficult to handle with. However, the virus downloads a lot of Trojans from Internet, and it would activate the Trojans.
 After infection, almost all antivirus tools could not start; even safe mode is damaged too. Either you could clear these stubborn viruses manually, which is really a troublesome job.
 This virus is the one kind of tough, no matter how, I cannot clean it. It infects many DLL and EXE files, as