CKVO.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Executes a Process
• This Process Deletes Other Processes From Disk
• Copies files
• This process creates other processes on disk
• 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
• Creates a new Background Service on the machine
• Disables Access to the Windows Registry Editior
• Disables the Notification Balloon for the Windows Security Center
• Disables Access to the Task Manager built into Windows
• Modifies Windows Security Policies to restrict/expand User Privileges on the machine
• Writes to another Process's Virtual Memory (Process Hijacking)
• Registers a Dynamic Link Library File
• Injects code into other processes
• This Process looks to see what security products and services are running on the system
• Disables safe mode on your PC
• Looks at the contents of the autoexec.bat file
• Drops known malicious software during execution
• Accesses web sites that have been associated with malicious software
• Modifies fixed, removable or USB drives using autorun to execute or spread infection
• Reads email address and phone book details
• Uses DNS to retrieve the IP address for web sites
• Visits web sites on your PC without you knowing
• The Process is polymorphic and can change its structure
• Loads and Executes a System Driver File
• Adds a Registry Key (RUN) to auto start Programs on system start up
• 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
• Injects code into other processes

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

• Added as a Registry auto start to load Program on Boot up
• Created as a process on disk
• Deleted as a process from disk
• Copied to multiple locations on the system
• Executed as a Process
• Has code inserted into its Virtual Memory space by other programs
• This program is often downloaded from the web
• Executed from Temporary Folders
• Registered as a Dynamic Link Library File
• Terminated as a Process
• Executed by Internet Explorer
• Downloaded from covert web sites without the user knowing