REGSVR.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Disables the Notification Balloon for the Windows Security Center
• Disables Access to the Windows Registry Editior
• Disables Access to the Task Manager built into Windows
• Modifies Windows Security Policies to restrict/expand User Privileges on the machine
• Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
• Adds products to the system registry
• Writes to another Process's Virtual Memory (Process Hijacking)
• Executes a Process
• Disables the built in Windows File Protection System
• Adds a Registry Key (RUN) to auto start Programs on system start up
• This process creates other processes on disk
• Can communicate with other computer systems using HTTP protocols
• This Process Deletes Other Processes From Disk
• Executes Processes stored in Temporary Folders
• Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
• Registers a Dynamic Link Library File
• Creates new folders on the system
• 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
• Sets processes to start during user logon
• Creates a new Background Service on the machine
• Injects code into other processes
• Performs DNS look ups to resolve URL IP addresses
• Checks for the use of debuggers
• Creates new folders in the file system
• Looks at the contents of the autoexec.bat file
• Reads email address and phone book details
• Visits web sites on your PC without you knowing
• Creates, modifies or schedules batch jobs
• Enables an In Process Object/Server - Common with DLL Injections
• Terminates Processes

REGSVR.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
• Executed as a Process
• Has code inserted into its Virtual Memory space by other programs
• Terminated as a Process
• Copied to multiple locations on the system
• Created by processes which appear to be checking for interception by security products
• Deleted as a process from disk