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Field Guide · Family
Huawei Device Co.
Huawei Device Co., Ltd. (China) ships consumer laptops (MateBook line) with a preinstalled kernel driver stack that includes an audio-stack driver (HWAuidoOs2Ec.sys) and the MateBook OS2EC driver family (HwOs2Ec and its per-Windows-version variants). Signed Huawei drivers appear on the public LOLDrivers list after documented BYOVD abuse in multiple campaigns (Huntress HwAudKiller malvertising, Beazley INC-affiliate buffet, Proofpoint Cruciferra crypter, LOLDrivers DragonForce reuse note).
5
Drivers
5
Vulnerable
0
Malicious
5
With Field Notes
havoc.sys
vulnerable✎
hwauidoos2ec.sys
vulnerable✎
hwos2ec.sys
vulnerable✎
hwos2ec10x64.sys
vulnerable✎
hwos2ec7x64.sys
vulnerable✎
Family grouping is Vera's. Status data comes from the public LOLDrivers project.