directio.sys
Generic hardware I/O driver (bare name)
DirectIO.sys is the bare-name companion to DirectIO32.sys and DirectIO64.sys, the generic hardware I/O drivers embedded by various OEM and third-party utilities. Same family, same broad I/O surface that puts the variants on the LOLDrivers list.
Presence usually traces back to one of those bundled hardware utilities.
directio.sys is listed as a known-vulnerable driver on the public LOLDrivers project. 7 distinct binary hashes matching this filename are on record, meaning multiple versions of the file have been observed.
Status data comes from the public LOLDrivers project, a community-curated registry of drivers known to be vulnerable or malicious. The snapshot Vera uses was refreshed July 10, 2026. CVE links go to the NIST National Vulnerability Database.
Vera Project. “directio.sys.” Vera Field Guide (Driver). The Vera Project. https://www.veraproject.xyz/field-guide/drivers/directio-sys
