Versions

6.2.9200.16384 (win8_rtm.120725-1247)	1.94%
6.0.6002.18005 (lh_sp2rtm.090410-1830)	72.30%
6.0.6002.18005 (lh_sp2rtm.090410-1830)	16.07%
6.0.6001.18000 (longhorn_rtm.080118-1840)	0.28%
6.0.6001.18000 (longhorn_rtm.080118-1840)	4.71%
6.0.6000.16509 (vista_gdr.070620-1500)	4.71%

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

There are 6 versions of SLsvc.exe in the wild, the latest version being 6.2.9200.16384 (win8_rtm.120725-1247). It is started as a Windows Service called 'Licenciamento de Software' with the name 'slsvc' and described as “Permite a transferência, instalação e imposição de licenças digitais para o Windows e aplicações do Windows. Se o serviço estiver desactivado, o sistema operativo e as aplicações licenciadas poderão ser executados num modo de notificação.”. . It is also run with NETWORK SERVICE privileges. The average file size is about 2.13 MB. During the process's lifecycle, the typical CPU resource utilization is about 0.0099% including both foreground and background operations, the average private memory consumption is about 6.35 MB with the maximum memory reaching around 8.3 MB. Addionally, typically read and write I/O disk operations is about 34.3 KB per minute for reads and 375 Bytes per minute for writes.