In response to the massive media attention around Operation ShadowHammer yesterday, Asus has released a fix for the affected software (Asus Live Update Utility) to patch the security holes used in the attack. The company also released a tool that allows users to check their systems for any traces of the malware. Links to both the online tool and instructions on updating the Live Update Utility are included below.
https://www.notebookcheck.net/Asus-releases-patch-to-fix-Operation-ShadowHammer-vulnerability-in-Live-Update-Utility.415142.0.html