MEMTEST.EXE

File Behavior

MEMTEST.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
• Registers a Dynamic Link Library File
• Creates system tray popups, messages, errors and security warnings
• Writes to another Process's Virtual Memory (Process Hijacking)
• 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
• Executes a Process
• This process creates other processes on disk
• This Process Deletes Other Processes From Disk
• Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
• 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
• Disables safe mode on your PC
• Injects code into other processes
• Injects code into the operating system function WINLOGON.EXE
• Performs DNS look ups to resolve URL IP addresses

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

• Created as a process on disk
• Executed as a Process
• Registered as a Dynamic Link Library File
• Has code inserted into its Virtual Memory space by other programs
• Terminated as a Process
• Deleted as a process from disk