Prevx Research Division
TOOLBAR.DLL
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Malicious Software
File Behavior
TOOLBAR.DLL has been seen to perform the following behavior:
- Changes the Internet Explorer Search Page
- Registers a Dynamic Link Libray (DLL) File
- Adds products to the system registry
- This Process sends MIME Email
- Creates new file extentions so that Internet Explorer will automatically open and potentially execute additional file types
- Creates a Toolbar Extension for Internet Explorer
- Found on infected systems and resists interrogation by security products
- Enables an In Process Object/Server - Common with DLL Injections
- Creation and Registers a Browser Helper Object in Internet Explorer
- Makes outbound connections to other computers using NETBIOSOUT protocols
- Executes a Process
- This process creates other processes on disk
- Adds an ActiveX component changing or modifying the function of your browser
- This Process Deletes Other Processes From Disk
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Opens browser pop ups
- Includes file creation code which could be used to test for interception by security products
TOOLBAR.DLL has been the subject of the following behavior:
- Registered as a Dynamic Link Library File
- Created as a Toolbar Extension for Internet Explorer
- Registered as a Dynamic Link Libray (DLL) File
- Created as a process on disk
- Deleted as a process from disk
- Created and Registered as a Browser Helper Object in Internet Explorer
- Enabled as an In Process Object/Server - Common with DLL Injections
- Executed as a Process
- Added as an ActiveX component
- Deleted as an ActiveX component
- Created by processes which appear to be checking for interception by security products
Country Of Origin
The filename TOOLBAR.DLL was first seen on May 8 2007 in the following geographical regions of the Webroot community:
- The United States on May 8 2007
- Vietnam on May 8 2007
- Europe on Sep 30 2007
- Germany on Sep 30 2007
File Name Aliases
TOOLBAR.DLL can also use the following file names:
- BACKUP-20070611-104526-752.DLL
- BACKUP-20070309-082247-235.DLL
- TOOLBAR.DLL.BAK
- BACKUP-20070619-210223-478.DLL
- TOOLBAR(n).DLL
- NEWS.DLL
- TOOLBAR(1).DLL
- MALWARE_24.EXE
- NIPA_TOOLBAR.DLL
- SANOOK_TAI.DLL
- PETITEPAGE.DLL
- LIKE_YAHOO.DLL
- WEVOKE.DLL
- SKIPDIFF_IE.DLL
- ENHANCER.DLL
- WIKISEEK.DLL
- TURKISH.DLL
- SKOUK.DLL
- TOOLBAR-W-GOOGLE-R.DLL
- ASTROBAR.DLL
- TBCORE3U.DLL
- SOBAR.DLL
- TTTT.DLL
- VS000768.DLL
- VS000774.DLL
- 365SO.DLL
- 57729B3.RBF
- 1A03A622.RBF
- 37DDEC.RBF
- ؛
- 489818.RBF
- 19537A.RBF
- 329D61.RBF
Filesizes
The following file size has been seen:
- 681,552 bytes
- 552,960 bytes
- 1,205,512 bytes
- 127,864 bytes
- 593,920 bytes
- 1,257,472 bytes
File Type
The filename TOOLBAR.DLL refers to many versions of a dynamic link library.
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