Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%PROGRAM_FILES%\nvsvc32.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%PROGRAM_FILES%\nvsvc32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%PROGRAM_FILES%\nvsvc32.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\nvsvc32.exe' = '%PROGRAM_FILES%\nvsvc32.exe:*:Enabled:NVIDIA driver monitor'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\nvsvc32.exe' = '%WINDIR%\nvsvc32.exe:*:Enabled:NVIDIA driver monitor'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '%PROGRAM_FILES%\nvsvc32.exe:*:Enabled:NVIDIA driver monitor'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:NVIDIA driver monitor'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '%WINDIR%\nvsvc32.exe:*:Enabled:NVIDIA driver monitor'
Creates and executes the following:
- '%PROGRAM_FILES%\nvsvc32.exe'
Executes the following:
- '<SYSTEM32>\net.exe' stop wuauserv
- '<SYSTEM32>\sc.exe' config wuauserv start= disabled
- '<SYSTEM32>\net1.exe' stop wuauserv
- '%WINDIR%\explorer.exe' http://br#####sers.myspace.com/Browse/Browse.aspx
- '<SYSTEM32>\net.exe' stop MsMpSvc
- '<SYSTEM32>\net1.exe' stop MsMpSvc
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram 1.exe 1 ENABLE
Searches for windows to
detect programs and games:
- ClassName: 'MSNHiddenWindowClass' WindowName: '(null)'
- ClassName: '_Oscar_StatusNotify' WindowName: '(null)'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Browse[2].aspx
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Browse[1].aspx
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\index[1].php
- %WINDIR%\nvsvc32.exj
- %WINDIR%\nvsvc32.exe
- %PROGRAM_FILES%\nvsvc32.exd
- %PROGRAM_FILES%\nvsvc32.exe
Sets the 'hidden' attribute to the following files:
- %PROGRAM_FILES%\nvsvc32.exe
- <Full path to virus>
Deletes the following files:
- %WINDIR%\nvsvc32.exj
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Browse[2].aspx
- %WINDIR%\nvsvc32.exe
- %PROGRAM_FILES%\nvsvc32.exd
Network activity:
Connects to:
- '51.##4.211.180':1234
- '20#.#03.82.16':1234
- '24#.#56.38.248':80
- '85.##0.147.53':1234
- 'localhost':1042
- 'br#####sers.myspace.com':80
- '24#.#56.38.241':1234
TCP:
HTTP GET requests:
- 24#.#56.38.248/index.php
- br#####sers.myspace.com/Browse/Browse.aspx
UDP:
- DNS ASK jo######faccountancy.com
- DNS ASK ve###tek.com
- DNS ASK tr####ationale.org
- DNS ASK st###ntime.info
- DNS ASK ma#.#730ip.com
- DNS ASK as###.ic.ac.uk
- DNS ASK br#####sers.myspace.com
- DNS ASK ds.###enix-cc.net
- DNS ASK al#####shistory.info
- DNS ASK al#.##kibili.com
Miscellaneous:
Searches for the following windows:
- ClassName: '__oxFrame.class__' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'Message Session' WindowName: '(null)'
- ClassName: 'TskMultiChatForm.UnicodeClass' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'