Prevx Research Division
MSTORE.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
- Cloaked Malware
- Worm
- Malicious Software
File Behavior
MSTORE.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- 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
- Adds products to the system registry
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Writes to another Process's Virtual Memory (Process Hijacking)
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- 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
- Creates a new Background Service on the machine
- Disables safe mode on your PC
- Injects code into other processes
MSTORE.EXE has been the subject of the following behavior:
- Deleted as a process from disk
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
Country Of Origin
The filename MSTORE.EXE was first seen on Jun 4 2007 in the following geographical regions of the Webroot community:
- Korea, Republic of on Jun 4 2007
- Romania on Jun 4 2007
- Kenya on Jun 20 2007
- Malaysia on Jun 20 2007
- The United States on Mar 19 2008
- Europe on May 1 2008
- Turkey on Jul 7 2008
- The United Kingdom on Apr 16 2010
File Name Aliases
MSTORE.EXE can also use the following file names:
- DC3476.EXE
- DC3464.EXE
- DD5.EXE
- DD36.EXE
Filesizes
The following file size has been seen:
- 125,632 bytes
- 200,281 bytes
- 206,904 bytes
- 22,125 bytes
- 308,694 bytes
- 202,808 bytes
- 161,992 bytes
- 200,544 bytes
File Type
The filename MSTORE.EXE refers to many versions of an executable program.
File Activity
One or more files with the name MSTORE.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\43$$.bat
- Deletes c:\windows\system32\drivers\spoclsv.exe
- Creates c:\windows\system32\drivers\spoclsv.exe
- Deletes c:\docume~1\user\locals~1\temp\43$$.bat
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