Prevx Research Division
GRLAUNCHER.EXE
Fraudulent Security ProgramFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Fraudulent Security Program
- Malicious Software
File Behavior
GRLAUNCHER.EXE has been seen to perform the following behavior:
- Disables the Notification Balloon for the Windows Security Center
- Disables Access to the Windows Registry Editior
- Disables Access to the Task Manager built into Windows
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Adds products to the system registry
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
- 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
- Modifies firewall settings, without user permission so it is not blocked from accessing the Internet
- Injects code into other processes
- This process creates other processes on disk
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- Disables safe mode on your PC
- Creates a new Background Service on the machine
- 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
- The Process is polymorphic and can change its structure
GRLAUNCHER.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
Country Of Origin
The filename GRLAUNCHER.EXE was first seen on Jun 26 2007 in the following geographical regions of the Webroot community:
- Europe on Jun 26 2007
- Spain on Jun 26 2007
- Korea, Republic of on Oct 9 2008
- Mexico on Mar 25 2009
- Saudi Arabia on Mar 9 2010
- The United Kingdom on Mar 9 2010
- India on Feb 12 2012
File Name Aliases
GRLAUNCHER.EXE can also use the following file names:
- OPERA.EXE
- YTBB.EXE
- GTBD9D2.TMP.EXE
- GOOGLEUPDATERSERVICE.EXE
- GOOGLETOOLBARNOTIFIER.EXE
- LIVEQUERY.EXE
- ̝̘̈
- ˰̓ ͙˩
- 73807469.EXE
Filesizes
The following file size has been seen:
- 208,896 bytes
- 406,367 bytes
- 295,640 bytes
- 204,800 bytes
- 723,968 bytes
- 163,328 bytes
- 125,952 bytes
- 241,152 bytes
File Type
The filename GRLAUNCHER.EXE refers to many versions of an executable program.
File Activity
One or more files with the name GRLAUNCHER.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\svchost.exe
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