Versions

6.3.9600.16384 (winblue_rtm.130821-1623)	0.99%
6.3.9600.16384 (winblue_rtm.130821-1623)	0.06%
6.3.9600.16384 (winblue_rtm.130821-1623)	1.60%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.11%
6.2.9200.16420 (win8_gdr.120919-1813)	0.06%
6.2.9200.16420 (win8_gdr.120919-1813)	0.17%
6.2.9200.16420 (win8_gdr.120919-1813)	1.05%
6.2.9200.16420 (win8_gdr.120919-1813)	3.30%
6.2.9200.16420 (win8_gdr.120919-1813)	4.29%
6.2.9200.16384 (win8_rtm.120725-1247)	0.33%
6.2.9200.16384 (win8_rtm.120725-1247)	0.33%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.17%
6.2.8250.0 (winmain_win8beta.120217-1520)	0.06%
6.2.8102.0 (winmain_win8m3.110823-1455)	0.11%
6.1.7600.16385 (win7_rtm.090713-1255)	7.32%
6.1.7600.16385 (win7_rtm.090713-1255)	14.14%
6.1.7600.16385 (win7_rtm.090713-1255)	11.39%
6.1.7600.16385 (win7_rtm.090713-1255)	4.51%
6.1.7600.16385 (win7_rtm.090713-1255)	0.22%
6.1.7600.16385 (win7_rtm.090713-1255)	0.06%
6.1.7600.16385 (win7_rtm.090713-1255)	36.25%
6.1.7600.16385 (win7_rtm.090713-1255)	13.53%

This is a Windows system installed file with Windows File Protection (WFP) enabled.

There are 22 versions of taskhost.exe in the wild, the latest version being 6.3.9600.16384 (winblue_rtm.130821-1623). taskhost.exe is run as a standard windows process with the logged in user's account privileges. The average file size is about 65.32 KB. The file is a digitally signed and issued to Microsoft Corporation by Microsoft Corporation. During the process's lifecycle, the typical CPU resource utilization is less than 0.01%, the average private memory consumption is about 13.18 MB with the maximum memory reaching around 15.45 MB. Addionally, typically read and write I/O disk operations is about 58.84 KB per minute for reads and 70.69 KB per minute for writes.

Host Process for Windows Tasks is a generic process which acts as a host for processes that run from DLLs rather than EXEs. At startup TASKHOST checks the Services portion of the Registry to construct a list of DLL-based services that it needs to load, and then loads them.