Prevx Research Division
ST6UNST.EXE
Malicious SoftwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove ST6UNST.EXE.
"Just when you thought it couldn't get any better or faster. The Webroot scanning engine is 'high octane' with a hidden nitrous oxide system. Bravo!!!" W. Lodzinski, SecureAnywhere User
Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Malicious Software
- Worm
File Behavior
ST6UNST.EXE has been seen to perform the following behavior:
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
- This process creates other processes on disk
- Registers a Dynamic Link Library File
- Creates system tray popups, messages, errors and security warnings
- Executes Processes stored in Temporary Folders
- Can communicate with other computer systems using HTTP protocols
- Downloads program file(s) and other content from the web
- Injects code into other processes
- This Process Deletes Other Processes From Disk
- Copies files
- 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
- 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
- Creates a new Background Service on the machine
ST6UNST.EXE has been the subject of the following behavior:
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Executed as a Process
- Deleted as a process from disk
Country Of Origin
The filename ST6UNST.EXE was first seen on Aug 16 2007 in the following geographical regions of the Webroot community:
- Spain on Aug 16 2007
- Europe on Mar 13 2008
- Syrian Arab Republic on Sep 22 2008
- The United Kingdom on Nov 30 2009
- Romania on Aug 3 2010
- Egypt on Feb 11 2012
Filesizes
The following file size has been seen:
- 229,743 bytes
- 73,216 bytes
- 100,864 bytes
- 142,848 bytes
File Type
The filename ST6UNST.EXE refers to many versions of an executable program.
File Activity
One or more files with the name ST6UNST.EXE creates, deletes, copies or moves the following files and folders:
- Deletes d:\autorun.in
- Moves d:\1.taz to d:\autorun.in
- Deletes c:\autorun.in
- Moves c:\1.taz to c:\autorun.in
- Deletes c:\documents and settings\user\local settings\application data\microsoft\cd burning\autorun.in
- Deletes c:\documents and settings\user\local settings\application data\microsoft\cd burning\zPharaoh.ex
- Opens/modifes c:\autoexec.bat
Help the Webroot Community to fight cyber crime
We are always looking for ways to improve the quality and speed of research to help us protect you from malicious software and cyber crime.
PCMag.com Editors' Choice Award Logo is a trademark of Ziff Davis Publishing Holdings Inc. Used under license.