SKYPE.EXE

File Behavior

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

• Adds products to the system registry
• Writes to another Process's Virtual Memory (Process Hijacking)
• Executes a Process
• This process creates other processes on disk
• Injects code into other processes
• The Process is packed and/or encrypted using a software packing process
• The Process is polymorphic and can change its structure
• Can communicate with other computer systems using HTTP protocols
• This Process Deletes Other Processes From Disk
• Creates system tray popups, messages, errors and security warnings
• Uses DNS to retrieve the IP address for web sites
• Visits web sites on your PC without you knowing

SKYPE.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
• Added as a Registry auto start to load Program on Boot up
• Copied to multiple locations on the system
• Executed by Internet Explorer
• Executed from Temporary Folders
• Registered as a Dynamic Link Library File
• Downloaded from covert web sites without the user knowing
• Created by processes which appear to be checking for interception by security products
• Deleted as a process from disk
• Added as a Registry Key (DXCOM) to auto start Programs on system start up