The process named isecurity.exe belongs to Internet Security virus. However, you will not be able to see or stop it via Task Manager. The malware blocks you attempts to remove it, this is why it will not be possible to execute available anti-virus software or do download programs over the Internet. In the same manner, when someone tries to terminate isecurity.exe process using Task Manager application the report would come up about this executable being corrupted and infected with Win32/Blaster.Worm virus. Any file you try to run would be reported by the hoax as the one seriously infected with the same Win32/Blaster.Worm pest. This information can’t be of truth. What you must understand is that Internet Security program and isecurity.exe as its process represent the serious malware enemy for your computer. If the rogue has already entered your computer you should ignore its fake messages and delete this malware at once. Purchasing the hoax is a serious mistake, so be not fooled by this rogue. It is not what it claims of itself.