What Plugin was used for this backup?

After a site crash we want to restore a backup…..but we do not know what backup plugin was used. Does anyone recognize the structure/names of files? Many thanks in advance, Bas

The name of the backup folder :
25sjj0Mivt_www.sarvata.nl_1644228125

The zipfiles inside are :
http://www.sarvata.nl_1644228125-main-1644228335
http://www.sarvata.nl_1644228125-others-1644228051
http://www.sarvata.nl_1644228125-plugins-16442287305
http://www.sarvata.nl_1644228125-themes-1644228u263
http://www.sarvata.nl_1644228125-uploads-1644227263
http://www.sarvata.nl_1644228125-uploads-1644228334
http://www.sarvata.nl_1644228125-uploads-1644228333
http://www.sarvata.nl_1644228125-uploads-1644228325
http://www.sarvata.nl_1644228125-uploads-1644228987

The page I need help with: [log in to see the link]