SCTRI.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Writes to another Process's Virtual Memory (Process Hijacking)
• This Process Deletes Other Processes From Disk
• Disables the built in Windows File Protection System
• This process creates other processes on disk
• Disables Access to the Task Manager built into Windows
• Disables Access to the Windows Registry Editior
• Disables the Notification Balloon for the Windows Security Center
• Modifies Windows Security Policies to restrict/expand User Privileges on the machine
• Enables Access to the Remote Registry Service Within Windows
• Disables the Windows Security Center Service
• Disables Anonymous Access to the Windows Network Shares
• Disables the Default Windows Network Shares
• Prevents Installation Of Windows XP Service Pack 2
• Disables the DCOM Ability within Windows
• Executes a Process
• Copies files
• Injects code into other processes
• Sets processes to start during user logon
• Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
• 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
• Creates a new Background Service on the machine
• Performs DNS look ups to resolve URL IP addresses
• Uses Instant Messaging to communicate without the user's knowledge
• Uses embeded Instant Message Channel Settings
• Executes Processes stored in Temporary Folders
• Can communicate with other computer systems using HTTP protocols
• The Process is polymorphic and can change its structure
• Creates a TCP port which listens and is available for communication initiated by other computers
• Registers a Dynamic Link Library File
• Makes outbound connections to other computers using NETBIOSOUT protocols
• Looks at the contents of the autoexec.bat file
• Reads email address and phone book details
• This Process is a file infector which modifies program files to include a copy of the infection
• Includes file creation code which could be used to test for interception by security products

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

• Executed as a Process
• Created as a process on disk
• Has code inserted into its Virtual Memory space by other programs
• Created as a new Background Service on the machine
• Deleted as a process from disk
• Terminated as a Process
• Copied to multiple locations on the system
• Executed from Temporary Folders