virus restarting machines

[adrian_smith () live com]

anyone has ever experienced this kind of problem, probably due to virus/spyware, causing server and pc to reboot ( 
wondows2003)... i post the message i've found in log:"The process GL_<random_number>.exe has initiated the restart of 
computer SERVER on behalf of user NT AUTHORITY\SYSTEM for the following reason: No title for this reason could be 
foundReason Code: 0x0Shutdown Type: restart" thx