weblazier strange user stat

Hello i have just check the logs for one of my sites and i found this int he report:

Top 3 of 3 Total Usernames

# Hits Files KBytes Visits Username

1 7 0.01% 7 0.01% 38 0.01% 1 0.01% rsh8
2 1 0.00% 1 0.00% 8 0.00% 1 0.01% 1686483
3 1 0.00% 1 0.00% 8 0.00% 1 0.01% wagsrebe


anyone know hwat this means?

where do i check and What do i look for to check my system has not been compromised.

thanks

 

 

 

 

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