patch.exe
Normally, patch.exe is the PC-Cillin Antivirus updater, which keeps your antivirus program up to date.However, there are many cases in which patch.exe is a malicious application, for example the W32.Netbus, W32.Dumaru and W32.Backdoor.Nibu worms use the same process name: patch.exe.Also there can be many other applications that use this process name, the best way to identify the origin of this process, is to verify its path.
