Is hiding files in ADS a good way to go around? Is this a outdated way to do thing? If so, what should I then look into.

+ files hidden in explorer
+ harder to find and delete
- detected by AVs
- works only on NTFS

so it's fine. at least for backup )

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I'm not selling or buying anything. stop asking me >_<

installing scripts (web controlled bots, exploit packs, etc.) on your hosting. cheap =)

ADS = Attention Deficit Disorder (in german)
ROFLMAO

i think you have it