Associated Malware Groups
The filename is associated with the malware groups:
- Worm
- Cloaked Malware
- Malicious Software
File Behavior
WMSNCS.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- The Process is polymorphic and can change its structure
- Triggers security alerts from firewall and other security products
- Uses DNS to retrieve the IP address for web sites
- Uses reverse DNS to retrieve the host names on IP addresses
- Uses your PC to connect to Chat rooms
- Adds a Registry Key (DXCOM) to auto start Programs on system start up
- Disables the built in Windows File Protection System
- Disables the Default Windows Network Shares
- Disables the Notification Baloon for the Windows Security Center
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- 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
- Violates Windows/Vista Physical Memory Protection allowing it to look inside the data areas of other programs
- Adds a Link in the Start Menu
- Deletes Links in the Start Menu
- Disables the Windows Security Center Service
- Enables Access to the Remote Registry Service Within Windows
- Disables Anonymous Access to the Windows Network Shares
- Prevents Installation Of Windows XP Service Pack 2
- Disables the DCOM Ability within Windows
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
WMSNCS.EXE has been the subject of the following behavior:
- Copied to multiple locations on the system
- Executed as a Process
- Deleted as a process from disk
- Created as a process on disk
- Created as a new Background Service on the machine
- Added as a Registry Key (DXCOM) to auto start Programs on system start up
- Added as a Registry auto start to load Program on Boot up
- Has code inserted into its Virtual Memory space by other programs
- Added as a Link in the Start Menu
- Deleted as a Link in the Start Menu
Country Of Origin
The filename WMSNCS.EXE was first seen on Jun 12 2008 in the following geographical regions of the Prevx community:
- SPAIN on Jun 12 2008
- The UNITED KINGDOM on Jun 12 2008
- SWEDEN on Jun 14 2008
- HONG KONG on Aug 24 2008
- The EUROPEAN UNION on Oct 6 2008
File Name Aliases
WMSNCS.EXE can also use the following file names:
- 69490469.DAT
- 32837419.EX_
- 73500016.EXE
- 85037361.DAT
- WMSOFT06637.EXE
- WMSOFT23515.EXE
- 86240537.EXE
- 32167656.EXE
- WMSOFT45610.EXE
- CRPC[1].EXE
- 67097093.SVD
- WMSOFT04146.EXE
Filesizes
The following file size has been seen:
- 154,624 bytes
- 189,990 bytes
- 648,704 bytes
- 456,192 bytes
Vendor, Product and Version Information
Files with the name WMSNCS.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- Microsoft® Windows NET Runtime Optimization Service; ; 5.1.2600.0 (xpclient.010817-1148)
- Microsoft® Windows NET Runtime Optimization Service; ; 5.1.2600.0 (xpclient.010817-1148)
- Microsoft® Windows NET Runtime Optimization Service; ; 5.1.2600.0
- Microsoft® Windows NET Runtime Optimization Service; ; 5.1.2600.0
File Type
The filename WMSNCS.EXE refers to many versions of an executable program.
File Activity
One or more files with the name WMSNCS.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\Program Files\Common File
- Copies filec:\windows\fonts\wmsncs.exe t
- Copies filec:\windows\fonts\wmsncs.exe to c:\program files\common files\system\wmsncs.ex
- Copies filec:\windows\fonts\wmsncs.exe to c:\windows\system32\spool\drivers\wmsncs.ex
- Copies filec:\windows\fonts\wmsncs.exe to c:\windows\system32\wins\wmsncs.ex
- Copies filec:\windows\fonts\wmsncs.exe to c:\documents and settings\all users\start menu\programs\startup\wmsncs.ex
- Opens/modifes c:\autoexec.bat
Registry Activity
One or more files with the name WMSNCS.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{103L3C30-C3B3-4130-9363-E59E1375PERM} StubPath C:\WINDOWS\Fonts\wmsncs.exe
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters MaxUserPort [REG_DWORD, value: 0000FFFE]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters TcpTimedWaitDelay [REG_DWORD, value: 0000001E]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters StrictTimeWaitSeqCheck value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters Tcp1323Opts value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters GlobalMaxTcpWindowSize [REG_DWORD, value: 0003EBC0]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters TcpWindowSize [REG_DWORD, value: 0003EBC0]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters EnablePMTUDiscovery value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters EnablePMTUBHDetect value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters SackOpts value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters DefaultTTL [REG_DWORD, value: 00000040]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters TcpMaxDupAcks value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters LargeBufferSize [REG_DWORD, value: 000C8000]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters AllowUserRawAccess value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\AFD\Parameters DisableRawSecurity value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings MaxConnectionsPer1_0Server [REG_DWORD, value: 0000FFFE]
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings MaxConnectionsPerServer [REG_DWORD, value: 0000FFFE]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters SizReqBuf [REG_DWORD, value: 00004000]
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters AutoShareServer value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters AutoShareWks value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile EnableFirewall value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile DoNotAllowExceptions value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile DisableNotifications value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile EnableFirewall value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile DoNotAllowExceptions value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile DisableNotifications value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List wmsncs.exe wmsncs.exe:*:Enabled:SYSTEM
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List wmsncs.exe wmsncs.exe:*:Enabled:SYSTEM
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Wmsncs Service C:\WINDOWS\Fonts\wmsncs.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run NvidMediaCenter C:\Program Files\Common Files\System\wmsncs.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Spool Driver Service C:\WINDOWS\system32\spool\drivers\wmsncs.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Wins Service C:\WINDOWS\system32\wins\wmsncs.exe
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters AutoShareWks value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters AutoShareServer value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanworkstation\parameters AutoShareWks value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanworkstation\parameters AutoShareServer value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List 1013:TCP 1013:TCP:*:Enabled:BS
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List 8080:TCP 8080:TCP:*:Enabled:PORT1
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\GloballyOpenPorts\List 8081:TCP 8081:TCP:*:Enabled:PORT2
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\WINDOWS\Fonts\wmsncs.exe C:\WINDOWS\Fonts\wmsncs.exe:*:Enabled:workstation
Network Activity
One or more files with the name WMSNCS.EXE performs the following network events:
- DNS Lookup1.1.1.1 DANIELLE-BB81A55C
- DNS Lookup61.120.62.28 hodkskis1981.weedns.com
- DNS Lookup82.69.127.154 82-69-127-154.dsl.in-addr.zen.co.uk
- DNS get host82-69-127-154.dsl.in-addr.zen.co.uk 82.69.127.154
Website Activity
One or more files with the name WMSNCS.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:61.120.62.28:8080 Port:20