Prevx Research Division
CTFMONA.EXE
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove CTFMONA.EXE.
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Associated Malware Groups
The filename is associated with the malware group:
- Cloaked Malware
File Behavior
CTFMONA.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Can communicate with other computer systems using HTTP protocols
- Executes a Process
- Modifies the Windows Built in Screen Saver
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes Processes stored in Temporary Folders
- Creates system tray popups, messages, errors and security warnings
- Opens browser pop ups
- Visits web sites on your PC without you knowing
- Registers a Dynamic Link Library File
- This Process is a file infector which modifies program files to include a copy of the infection
- Creates new folders in the file system
- Enables an In Process Object/Server - Common with DLL Injections
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Creates a TCP port which listens and is available for communication initiated by other computers
- Injects code into other processes
- Enables the system to use a Communications Proxy Server
CTFMONA.EXE 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
- Executed as a Process
- Executed from Temporary Folders
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Deleted as a process from disk
- Registered as a Dynamic Link Library File
- Executed by Internet Explorer
Country Of Origin
The filename CTFMONA.EXE was first seen on Oct 4 2007 in the following geographical regions of the Webroot community:
- Spain on Oct 4 2007
- Canada on Oct 4 2007
- Netherlands on Dec 30 2007
- The United States on Dec 30 2007
- Thailand on Mar 22 2008
- on Mar 22 2008
- Romania on Aug 25 2010
- The United Kingdom on Aug 25 2010
File Name Aliases
CTFMONA.EXE can also use the following file names:
- AVPPRO.EXE
- PRINTSRV32.EXE
- SCAN[1].EXE
- SCAN[2].EXE
- ANTIVIRUS.EXE
- SCAN[1]-C51DC1E8.EXE
- SCAN.EXE
- INSTALL[1]
- 41287038.EXE
Filesizes
The following file size has been seen:
- 31,748 bytes
- 96,256 bytes
- 16,384 bytes
- 344,064 bytes
- 453,120 bytes
- 29,824 bytes
- 16,896 bytes
File Type
The filename CTFMONA.EXE refers to many versions of an executable program.
File Activity
One or more files with the name CTFMONA.EXE creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
- Deletes c:\documents and settings\user\local settings\temp\.tt7
- Deletes c:\documents and settings\user\local settings\temp\.ttA
- Creates c:\documents and settings\user\local settings\temp\.ttE
- Deletes c:\documents and settings\user\local settings\temp\.tt1
- create folder C:\Program Files\InfeSto
- create folder C:\Program Files\InfeStop\Quarantine
- Deletes c:\docume~1\user\locals~1\temp\nst14.tmp
- Creates c:\docume~1\user\locals~1\temp\nsj16.tmp
- Deletes c:\docume~1\user\locals~1\temp\nsz18.tmp
- Creates c:\docume~1\user\locals~1\temp\nsz18.tmp\VmDetectPlugin.dll
- Creates c:\docume~1\user\locals~1\temp\nsz18.tmp\update.ini
- Creates c:\docume~1\user\locals~1\temp\nsz18.tmp\lastpage.ini
- Creates c:\docume~1\user\locals~1\temp\nsz18.tmp\Mutex.dll
- Creates c:\program files\infestop\msvcp71.dll
- Creates c:\program files\infestop\msvcr71.dll
- Creates c:\program files\infestop\InfeStopRemover.exe
- Creates c:\program files\infestop\WinLayer.dll
- Creates c:\program files\infestop\Krnel.dll
- Creates c:\program files\infestop\Res.dll
- Creates c:\program files\infestop\signatures.pkg
- Creates c:\program files\infestop\Uninstall.exe
- Creates c:\documents and settings\all users\start menu\programs\infestop\Uninstall.lnk
- Creates c:\documents and settings\all users\start menu\programs\infestop\Start InfeStop.lnk
- Creates c:\documents and settings\user\application data\microsoft\internet explorer\quick launch\InfeStop.lnk
- Creates c:\documents and settings\all users\desktop\InfeStop.lnk
- Creates c:\documents and settings\all users\start menu\programs\infestop\Register InfeStop.lnk
- Deletes c:\docume~1\user\locals~1\temp\nsz18.tmp\lastpage.ini
- Deletes c:\docume~1\user\locals~1\temp\nsz18.tmp\Mutex.dll
- Deletes c:\docume~1\user\locals~1\temp\nsz18.tmp\update.ini
- Deletes c:\docume~1\user\locals~1\temp\nsz18.tmp\VmDetectPlugin.dll
- Creates c:\docume~1\user\locals~1\temp\1624\compress.dat
- Deletes c:\docume~1\user\locals~1\temp\1624\compress.dat
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\scr[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\enums[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\helpers[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\lib[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\buttons[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\scaner[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\quarantine[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\app[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\mnu_functions[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\enums[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\helpers[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\lib[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\buttons[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\scaner[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\quarantine[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\app[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\mnu_functions[1]
Website Activity
One or more files with the name CTFMONA.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- windowsupdate .microsoft .com
- infestop .c
- infestop .com / notifier / ddd6b15a876f5b2566661dbfc8719605 / 9a191827-7e4b-4c16-a5fd-c7d0a8c35e5e .ok
- Remote server connection to www .winifixer .co
- Port 80 IP:207.46.225.221
- Port 80 IP:216.240.138.207
- Port 80 IP:64.27.28.155
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