ARPA.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Adds products to the system registry
• Writes to another Process's Virtual Memory (Process Hijacking)
• Modifies the Windows Built in Screen Saver
• Ability to execute files automatically on your PC
• Changes to the file command map within the registry
• Adds a Registry Key (RUNONCE) to auto start Programs on system start up
• Adds a Registry Key (RUN) to auto start Programs on system start up
• Modifies System Runtime Policies to limit system usability
• Blocks a selection of utility programs from running on the machine
• Modifies Windows Security Policies to restrict/expand User Privileges on the machine
• This process creates other processes on disk
• This Process Deletes Other Processes From Disk
• Executes a Process
• Registers a Dynamic Link Library File
• Copies files
• Creates new folders on the system
• Injects code into other processes
• The Process is polymorphic and can change its structure
• Can communicate with other computer systems using HTTP protocols
• Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
• Found on infected systems and resists interrogation by security products

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

• Created as a process on disk
• Changes to the file command map within the registry
• Added as a Registry auto start to load Program on Boot up
• Added as a Registry Key (RUNONCE) to auto start Programs on system start up
• Executed as a Process
• Has code inserted into its Virtual Memory space by other programs
• Registered as a Dynamic Link Library File
• Copied to multiple locations on the system
• Deleted as a process from disk