MWSSETUP.EXE

File Behavior

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

• Adds products to the system registry
• Enables an In Process Object/Server - Common with DLL Injections
• This process creates other processes on disk
• Creates a Toolbar Extension for Internet Explorer
• Creation and Registers a Browser Helper Object in Internet Explorer
• Adds a Registry Key (RUN) to auto start Programs on system start up
• Executes a Process
• Modifies the Logon Screen Saver Settings
• This Process Deletes Other Processes From Disk
• Writes to another Process's Virtual Memory (Process Hijacking)
• Adds a Registry Key (RUN) to auto start Programs on system start up
• Deletes Links in the Start Menu
• Executes Processes stored in Temporary Folders
• Adds a Registry Key (RUN) to auto start Programs on system start up
• Registers a Dynamic Link Library File
• Creates new folders on the system
• Copies files
• Injects code into other processes
• This Process sends MIME Email
• Adds new menu items in the Internet Explorer Right Click menu
• Changes the Internet Explorer Search Page
• Adds a Registry Key (RUNONCE) to auto start Programs on system start up
• This Process is a file infector which modifies program files to include a copy of the infection

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

• Created as a process on disk
• Executed from Temporary Folders
• Has code inserted into its Virtual Memory space by other programs
• Executed as a Process
• Deleted as a process from disk
• Registered as a Dynamic Link Library File
• Created by processes which appear to be checking for interception by security products
• Terminated as a Process