Prevx Research Division
15.EXE
System Back DoorFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- System Back Door
- Cloaked Malware
- Worm
File Behavior
15.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Writes to another Process's Virtual Memory (Process Hijacking)
- Can communicate with other computer systems using HTTP protocols
- Executes a Process
- 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
- Performs DNS look ups to resolve URL IP addresses
- Creates new folders on the system
- This Process Deletes Other Processes From Disk
- This Process uses Anti Dissasembly Tricks to avoid analysis by security products
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Registers a Dynamic Link Library File
- Uses DNS to retrieve the IP address for web sites
- Found on infected systems and resists interrogation by security products
15.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
- Added as a Registry auto start to load Program on Boot up
- Executed from Temporary Folders
- Copied to multiple locations on the system
- Added as a Registry Key (DXCOM) to auto start Programs on system start up
Country Of Origin
The filename 15.EXE was first seen on Jun 19 2007 in the following geographical regions of the Webroot community:
- on Jun 19 2007
- Russian Federation on Jun 19 2007
- Kazakhstan on Jun 22 2007
- Spain on Mar 5 2008
- China on Mar 5 2008
- Egypt on Oct 13 2008
- Italy on Apr 12 2010
- The United States on Apr 12 2010
- India on Apr 21 2010
- The United Kingdom on Apr 21 2010
- Portugal on Dec 15 2010
- Turkey on May 23 2012
File Name Aliases
15.EXE can also use the following file names:
- PTSSHELL.EXE
- MAGIC-RINGS_RUS.EXE
- SETUP.EXE
- 15[1].EXE
- 15[2].EXE
- 16.EXE
- 04201079.EXE
- 21785686.EXE
- 54860672.EXE
Filesizes
The following file size has been seen:
- 1,664,728 bytes
- 2,351,139 bytes
- 283,512 bytes
- 52,863 bytes
- 23,040 bytes
- 2,556,928 bytes
- 19,867 bytes
- 2,021,295 bytes
- 10,752 bytes
File Type
The filename 15.EXE is used by multiple object types including executable programs,objects,objects.
File Activity
One or more files with the name 15.EXE creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
Network Activity
One or more files with the name 15.EXE performs the following network events:
- DNS Lookup41.235.114.109 ss4m1.dnsdojo.com
Website Activity
One or more files with the name 15.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:41.235.114.109:3460 Port:16
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