Reg Add Hkcu Software Classes Clsid 86ca1aa0-34aa-4e8b-a509-50c905bae2a2 Inprocserver32 Ve D F -

Here’s a blog post based on your command. It explains what the command does, the potential risks, and how to run it properly (since your original has a few typos).

Mistake 2: Using REG_SZ when REG_EXPAND_SZ is needed

If the DLL path includes variables like %ProgramFiles%, use /t REG_EXPAND_SZ. If you use REG_SZ, the variable won't expand. Here’s a blog post based on your command

Why it works

Windows looks up context-menu handler behavior using CLSIDs in the registry. Creating this specific CLSID key with an empty InprocServer32 effectively disables the new modern context menu handler for the current user, reverting to the older implementation. /d : This option specifies the data for

HKCU\SOFTWARE\Classes\CLSID\86ca1aa0... INITIATING HANDSHAKE... INPROCSERVER32: NULL VALUE ACCEPTED. LOADING LEGACY SHELL... LEGACY SHELL CORRUPTED. LOADING ALTERNATE PROTOCOL. presumably a DLL

Persistence Mechanism Example

An attacker could run:

He wasn't sitting in his chair. He was two-dimensional. He was an icon on the desktop.

• /d: This option specifies the data for the value being added.
• f: This is likely intended to be the path to a file, presumably a DLL, which would be the In-Proc server for the specified CLSID.