Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\<Virus name>.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\<Virus name>.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
Executes the following:
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v Hidden /t REG_DWORD /d 0 /f
- <SYSTEM32>\reg.exe ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PCHealth\ErrorReporting /v DisableSR /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore /v DisableSR /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe DELETE HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\msconfig.exe /f
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoControlPanel /t REG_DWORD /d 1 /f
- <SYSTEM32>\netsh.exe firewall set opmode disable
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableCMD /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderOptions /t REG_DWORD /d 1 /f
- <SYSTEM32>\reg.exe DELETE HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot /f
- <SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoControlPanel' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\<Virus name>.exe
Network activity:
Connects to:
- 'pr####esql.t35.com':80
- 'wh###smyip.com':80
TCP:
HTTP GET requests:
- pr####esql.t35.com/pvt/index.php?ac###################################################################################################
- pr####esql.t35.com/pvt/index.php?ac######################################
- pr####esql.t35.com/pvt/index.php?ac###################################################################
- pr####esql.t35.com/pvt/index.php?ac##################################################################################################
- pr####esql.t35.com/pvt/index.php?ac######################################################################################################################################################################################################
- pr####esql.t35.com/pvt/index.php?ac###########################################################################
- pr####esql.t35.com/pvt/index.php?ac#####################################
- wh###smyip.com/automation/n09230945.asp
- pr####esql.t35.com/pvt/index.php?ac###############################################################################
- pr####esql.t35.com/pvt/index.php?ac#########################################################
- pr####esql.t35.com/pvt/index.php?ac################################################################
UDP:
- DNS ASK pr####esql.t35.com
- DNS ASK wh###smyip.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
