MSS.EXE

File Behavior

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

• This Process Contains User Mode Rootkit Functionality and can hide itself from the running process list
• Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
• Executes a Process
• Injects code into other processes
• Copies files
• This process creates other processes on disk
• Performs DNS look ups to resolve URL IP addresses
• Found on infected systems and resists interrogation by security products
• Writes to another Process's Virtual Memory (Process Hijacking)
• The Process is packed and/or encrypted using a software packing process
• Uses low level functions to hide itself from the user and from system/security processes
• Can make outbound communication to other computers, IM chat rooms and other services using IRC protocols
• Includes file creation code which could be used to test for interception by security products
• Opens browser pop ups
• Uses DNS to retrieve the IP address for web sites
• Uses reverse DNS to retrieve the host names on IP addresses
• Uses your PC to connect to Chat rooms
• The Process is polymorphic and can change its structure
• Executes Processes stored in Temporary Folders
• This Process Deletes Other Processes From Disk

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

• Executed as a Process
• Added as a Registry auto start to load Program on Boot up
• Created as a process on disk
• Copied to multiple locations on the system
• Has code inserted into its Virtual Memory space by other programs
• Added as a Registry Key (DXCOM) to auto start Programs on system start up
• Deleted as a process from disk
• Registered as a Dynamic Link Library File
• Executed by Internet Explorer