SVHOST.EXE

File Behavior

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

• The Process is packed and/or encrypted using a software packing process
• Can communicate with other computer systems using HTTP protocols
• Executes a Process
• Registers a Dynamic Link Library File
• This Process Deletes Other Processes From Disk
• This process creates other processes on disk
• This Process is a file infector which modifies program files to include a copy of the infection
• Adds a Registry Key (DELAY) to auto start Programs on system start up
• Enables an In Process Object/Server - Common with DLL Injections
• Looks at the contents of the autoexec.bat file
• Reads email address and phone book details
• Writes to another Process's Virtual Memory (Process Hijacking)
• Adds a Registry Key (RUN) to auto start Programs on system start up
• Modifies System Runtime Policies to limit system usability
• Adds a Registry Key (DXCOM) to auto start Programs on system start up
• Injects code into other processes
• Creates new folders on the system
• Copies files
• Terminates Processes
• Can Send email using SMTP protocols
• This Process sends MIME Email
• This Process Contains User Mode Rootkit Functionality and can hide itself from the running process list
• Uses DNS to retrieve the IP address for web sites
• The Process is polymorphic and can change its structure
• Creates system tray popups, messages, errors and security warnings
• 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
• Performs DNS look ups to resolve URL IP addresses
• Makes outbound connections to other computers using NETBIOSOUT protocols
• Modifies the Windows Host File which could be used to stop you visiting specific web sites by redirecting you to alternative addresses without you knowing

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

• Created as a process on disk
• Executed as a Process
• Deleted as a process from disk
• Added as a Registry auto start to load Program on Boot up
• Has code inserted into its Virtual Memory space by other programs
• Added as a Registry Key (DXCOM) to auto start Programs on system start up
• Copied to multiple locations on the system
• Registered as a Dynamic Link Library File
• Terminated as a Process
• Created by processes which appear to be checking for interception by security products