0 Taskhost.exe virus taskhost.exe is located in the folder C:\Windows\System32. Known file sizes on Windows 7/XP are 49,152 bytes (97% of all occurrences), 54,272 bytes or 50,688 bytes. Taskhost.exe is a Windows core system file. The program is not visible. Taskhost.exe is a Microsoft signed file. Therefore the technical security rating is 3% dangerous. How to recognize suspicious variants? If taskhost.exe is located in a subfolder of "C:\Documents and Settings", the security rating is 63% dangerous. The file size is 126,976 bytes (30% of all occurrences), 1,074,176 bytes and 10 more variants. There is no information about the author of the file. The program has no visible window. The software starts upon Windows startup (see Registry key: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders). The file is not a Windows core file. Taskhost.exe is able to record inputs and monitor applications. If taskhost.exe is located in a subfolder of "C:\Program Files", the security rating is 61% dangerous. The file size is 456,192 bytes (28% of all occurrences), 131,072 bytes and 4 more variants. The program is not visible. The taskhost.exe file is not a Windows system file. The application starts when Windows starts (see Registry key: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders). There is no description of the program. Taskhost.exe is able to manipulate other programs, record inputs and monitor applications. If taskhost.exe is located in a subfolder of C:\, the security rating is 74% dangerous. The file size is 386,048 bytes. If taskhost.exe is located in a subfolder of C:\Windows, the security rating is 50% dangerous. The file size is 1,887,232 bytes. If taskhost.exe is located in a subfolder of the "My Files" folder, the security rating is 60% dangerous. The file size is 742,400 bytes