MSUPDTE.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Can communicate with other computer systems using HTTP protocols
• Writes to another Process's Virtual Memory (Process Hijacking)
• This process creates other processes on disk
• Executes a Process
• This Process Deletes Other Processes From Disk
• Found on infected systems and resists interrogation by security products
• This Process uses Anti Dissasembly Tricks to avoid analysis by security products
• Injects code into other processes
• Registers a Dynamic Link Library File
• Enables an In Process Object/Server - Common with DLL Injections
• Executes Processes stored in Temporary Folders
• Adds a Registry Key (RUN) to auto start Programs on system start up
• Creates a TCP port which listens and is available for communication initiated by other computers
• Can make outbound communication to other computers, IM chat rooms and other services using IRC protocols
• Looks at the contents of the autoexec.bat file
• Reads email address and phone book details
• Uses DNS to retrieve the IP address for web sites
• The Process is polymorphic and can change its structure
• Downloads hidden code from covert web sites
• Checks for the use of debuggers
• Visits web sites on your PC without you knowing
• Copies files
• Drops known malicious software during execution
• Includes file creation code which could be used to test for interception by security products

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

• Created as a process on disk
• Executed as a Process
• Has code inserted into its Virtual Memory space by other programs
• Terminated as a Process
• Added as a Registry auto start to load Program on Boot up
• Deleted as a process from disk
• Executed from Temporary Folders
• Copied to multiple locations on the system
• Downloaded from covert web sites without the user knowing
• Registered as a Dynamic Link Library File