Versions

6.3.9600.16384 (winblue_rtm.130821-1623)	7.98%
6.2.9200.16384 (win8_rtm.120725-1247)	20.86%
6.1.7601.17777 (win7sp1_gdr.120210-1503)	58.90%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	3.07%
6.1.7600.16962 (win7_gdr.120210-1506)	2.45%
6.1.7600.16385 (win7_rtm.090713-1255)	1.23%
6.0.6001.18000 (longhorn_rtm.080118-1840)	5.52%

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

splwow64.exe has 7 known versions, the most recent one is 6.3.9600.16384 (winblue_rtm.130821-1623). splwow64.exe is run as a standard windows process with the logged in user's account privileges. The average file size is about 77.57 KB. This is a .NET Common Language Runtime (CLR) assembly. During the process's lifecycle, the typical CPU resource utilization is about 0.0011% including both foreground and background operations, the average private memory consumption is about 6.04 MB with the maximum memory reaching around 13.28 MB. Addionally, typically read and write I/O disk operations is about 27.94 KB per minute for reads and 12.03 KB per minute for writes.