chkdskw.exe is a Trojan.Vipgsm-K. chkdskw.exe spreads via open network shares. chkdskw.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\mstcpmon.exe %System%\chkdskw.exe %System%\itstore.dll %System%\karnal32.dll %System%\mslogon.dll %System%\mswshell.dll More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill chkdskw.exe process and remove chkdskw.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.