Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'lnternet Update' = 'lExplore.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lnternet Update' = 'lExplore.exe'
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\lExplore.exe' 544 "<Full path to virus>"
Executes the following:
- '%WINDIR%\regedit.exe' /S %TEMP%\1.reg
- '<SYSTEM32>\cmd.exe' /c c:\a.bat
Searches for windows to
detect analytical utilities:
- ClassName: 'RegmonClass' WindowName: '(null)'
- ClassName: 'FilemonClass' WindowName: '(null)'
- ClassName: 'OLLYDBG' WindowName: '(null)'
Modifies file system :
Creates the following files:
- <SYSTEM32>\lExplore.exe
- %TEMP%\1.reg
- C:\a.bat
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\lExplore.exe
Deletes the following files:
- %TEMP%\1.reg
Deletes itself.
Network activity:
Connects to:
- 'xh###2prozx.com':6667
UDP:
- DNS ASK xh###2prozx.com
Miscellaneous:
Searches for the following windows:
- ClassName: '18467-41' WindowName: '(null)'
- ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '(null)' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
