FG.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• The Process is polymorphic and can change its structure
• Adds a Registry Key (RUN) to auto start Programs on system start up
• This process creates other processes on disk
• Executes a Process
• Writes to another Process's Virtual Memory (Process Hijacking)
• This Process Deletes Other Processes From Disk
• Terminates Processes
• Creates a TCP port which listens and is available for communication initiated by other computers
• Can communicate with other computer systems using HTTP protocols
• Registers a Dynamic Link Library File
• Uses low level functions to hide itself from the user and from system/security processes
• Found on infected systems and resists interrogation by security products

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

• Created as a new Background Service on the machine
• Executed as a Process
• Created as a process on disk
• Added as a Registry auto start to load Program on Boot up
• Has code inserted into its Virtual Memory space by other programs
• Terminated as a Process
• Deleted as a process from disk