WDFMGR.EXE

File Behavior

WDFMGR.EXE has been seen to perform the following behavior:

• The Process is packed and/or encrypted using a software packing process
• Adds a Registry Key (RUN) to auto start Programs on system start up
• This process creates other processes on disk
• Executes a Process
• This Process Deletes Other Processes From Disk
• Can communicate with other computer systems using HTTP protocols
• Registers a Dynamic Link Library File
• The Process is polymorphic and can change its structure
• Makes outbound connections to other computers using NETBIOSOUT protocols
• Disables the built in Windows File Protection System
• Can communicate with other computers using TCP protocols
• Writes to another Process's Virtual Memory (Process Hijacking)
• Executes Processes stored in Temporary Folders
• Checks for the use of debuggers
• Looks at the contents of the autoexec.bat file
• Reads email address and phone book details
• Includes file creation code which could be used to test for interception by security products
• Uses rootkit techniques to conceal its presence, interrogation or removal
• Uses DNS to retrieve the IP address for web sites
• Visits web sites on your PC without you knowing
• Ability to execute files automatically on your PC
• Adds products to the system registry
• Creates new folders on the system
• Copies files
• Injects code into other processes
• Performs DNS look ups to resolve URL IP addresses

WDFMGR.EXE has been the subject of the following behavior:

• Created as a process on disk
• Executed from Temporary Folders
• Added as a Registry auto start to load Program on Boot up
• Executed as a Process
• Deleted as a process from disk
• Has code inserted into its Virtual Memory space by other programs
• Terminated as a Process
• Copied to multiple locations on the system
• Created by processes which appear to be checking for interception by security products
• Created as a new Background Service on the machine