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ONTAP ARP detects existing .hta files on first access after feature enablement

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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

ONTAP 9

Issue

  • ARP detects multiple .hta files located within a printer driver directory
  • Files are known good Canon driver installation components
  • Files existed prior to ARP enablement
  • No modification timestamps or access history suggesting tampering
  • ARP report shows detection triggered at the moment an administrator accessed file properties
  • ARP classification flags high entropy and unsafe extension:

3/4/2026 14:50:10 csq_min=10000 csq_avg=12976 unsafe_extn=1 file_hdr=1 safe_extn=0 score=0.8381126355643528 hta /xxx/xxx/Drivers/CANON Driver/xxx/xxx/x64/Readme/Readme_en-US.hta

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