Translates to "Child of Mr. Abu." "Cik Abu" is a common, slightly old-fashioned way of addressing a man in Malay-speaking regions.
The zip file is said to contain photos or videos of "Hintan" that were recovered from a phone found at a tragedy site. Those who unzip it claim their devices start acting possessed, or they begin seeing a figure (the "Anak Cik Abu") in their peripheral vision. XXHintan_Anak_Cik_AbuXX.zip
Some versions frame the file as an "instruction manual" for a traditional ritual gone wrong. The file itself is the "vessel" for a spirit, and by downloading it, you've "invited" the entity into your home. Translates to "Child of Mr