srwhost.exe is a Trojan W32.Rbot-AWU. srwhost.exe opens a back door on IRC channels. srwhost.exe spreads via open network shares. srwhost.exe tries to terminate antiviral programs installed on a user computer. srwhost.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\srwhost.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill srwhost.exe process and remove srwhost.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.