Prevx Research Division
"SECURITY DEFENDER.DLL"
Fraudulent Security ProgramFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove SECURITY DEFENDER.DLL.
"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 filename is associated with the malware groups:
- Fraudulent Security Program
- Cloaked Malware
File Behavior
SECURITY DEFENDER.DLL has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Registers a Dynamic Link Library File
- This Process Deletes Other Processes From Disk
- This process creates other processes on disk
- Creates new folders on the system
- Creates or uses a background service to access the Internet using HTTP protocols
- Enables an In Process Object/Server - Common with DLL Injections
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
SECURITY DEFENDER.DLL 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
- Registered as a Dynamic Link Library File
- Deleted as a process from disk
- Copied to multiple locations on the system
- Created and Registered as a Browser Helper Object in Internet Explorer
Country Of Origin
The filename SECURITY DEFENDER.DLL was first seen on Jan 29 2011 in the following geographical regions of the Webroot community:
- Jamaica on Jan 29 2011
- The United States on Feb 3 2011
File Name Aliases
SECURITY DEFENDER.DLL can also use the following file names:
- F4B61D7C-ED43-3E0C-AB4D-9FF69C0FDCB7.AVI
- INS1CE.TMP
- WRK4.TMP
- WRK2.TMP
- B228BAA5-D88A-5F51-8EBD-20DE9D320818.AVI
- 31.AVI
- 719A6316-BDD3-3B01-FBD2-877F201C60FE.AVI
- 60398406.EX$
- 94078072.EX$
Filesizes
The following file size has been seen:
- 43,520 bytes
- 69,632 bytes
- 1,684,480 bytes
- 1,015,296 bytes
- 1,095,680 bytes
- 142,336 bytes
File Type
The filename SECURITY DEFENDER.DLL refers to many versions of a dynamic link library.
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.