[EasySt]

Search on the filename of that Flag image yields interesting results.

Like this one:

MD5 reverse for 2ac9cb7dc02b3c0083eb70898e549b63

The MD5 hash:
2ac9cb7dc02b3c0083eb70898e549b63
was successfully reversed into the string:
Password1

[little jeremiah]

For a long time I kept a link to a twitter that talked about “file names are important”, about Q file names. And now I can’t find it...

[defconw]

http://themillenniumreport.com/2018/11/spanish-flu-of-1918-was-really-a-bioterror-attack-on-humanity/