KEYGEN.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Executes a Process
• Registers a Dynamic Link Library File
• This process creates other processes on disk
• Creates system tray popups, messages, errors and security warnings
• Found on infected systems and resists interrogation by security products
• Uses low level functions to hide itself from the user and from system/security processes
• Uses rootkit techniques to conceal its presence, interrogation or removal
• Disables the Notification Balloon for the Windows Security Center
• Disables Access to the Task Manager built into Windows
• Disables Access to the Windows Registry Editior
• Modifies Windows Security Policies to restrict/expand User Privileges on the machine
• Adds products to the system registry
• Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
• Writes to another Process's Virtual Memory (Process Hijacking)
• This Process Deletes Other Processes From Disk
• Copies files
• Changes the Windows Security Center to stop Antivirus status alerts from being displayed
• Changes the Windows Security Center to stop Firewall status alerts from being displayed
• Changes the Windows Security Center to stop Firewall override alerts from being displayed
• Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
• Modifies firewall settings, without user permission so it is not blocked from accessing the Internet
• Disables safe mode on your PC
• Injects code into other processes
• Creates a new Background Service on the machine
• Terminates Processes
• Creates new folders on the system
• The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
• The Process is polymorphic and can change its structure

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

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