Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'VERS_IP02' = '<SYSTEM32>\updt\sys_32ip.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\updt\sys_32ip.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe J_Y.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'J_Y' = '%WINDIR%\J_Y.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\J_Y.Jpg
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\J_Y.WoRm.Jpg
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
- User Account Control (UAC)
Creates and executes the following:
- %WINDIR%\J-Y.WoRm.Jpg
Executes the following:
- %WINDIR%\explorer.exe
- %WINDIR%\NOTEPAD.EXE
Searches for windows to
detect analytical utilities:
- ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
- ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass' WindowName: ''
- ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'GBDYLLO' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
- ClassName: 'FilemonClass' WindowName: ''
- ClassName: 'pediy06' WindowName: ''
Modifies file system :
Creates the following files:
- <SYSTEM32>\updt\sys_32ip.exe
- C:\J_Y.WoRm.Jpg
- %WINDIR%\AuToRuN.InF
- %TEMP%\aut3.tmp
- C:\J_Y.Jpg
- C:\autorun.inf
- %TEMP%\aut1.tmp
- %WINDIR%\J_Y.exe
- %WINDIR%\J_Y.WoRm.Jpg
- %WINDIR%\J_Y.Jpg
- %TEMP%\aut2.tmp
- %WINDIR%\J-Y.WoRm.Jpg
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\J_Y.Jpg
- <SYSTEM32>\updt\sys_32ip.exe
- C:\autorun.inf
- C:\J_Y.Jpg
Deletes the following files:
- C:\autorun.inf
- %WINDIR%\AuToRuN.InF
- %TEMP%\aut3.tmp
- <Drive name for removable media>:\J_Y.Jpg
- <Drive name for removable media>:\autorun.inf
- C:\J_Y.Jpg
- %WINDIR%\J-Y.WoRm.Jpg
- %TEMP%\aut1.tmp
- %WINDIR%\J_Y.exe
- %WINDIR%\J_Y.WoRm.Jpg
- <Drive name for removable media>:\J_Y.WoRm.Jpg
- C:\J_Y.WoRm.Jpg
- %TEMP%\aut2.tmp
Network activity:
Connects to:
- 'wi###.no-ip.biz':4545
UDP:
- DNS ASK wi###.no-ip.biz
- '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: ''
- ClassName: 'SysListView32' WindowName: ''
- ClassName: '#32770' WindowName: 'Program Manager'
- ClassName: 'Indicator' WindowName: ''
- ClassName: '18467-41' WindowName: ''