Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\regmonstd.lnk
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' %TEMP%\1til.dat,XFG04
- '<SYSTEM32>\rundll32.exe' %TEMP%\1til.dat,XFG06
- '%ProgramFiles%\Internet Explorer\IEXPLORE.EXE'
- '<SYSTEM32>\rundll32.exe' %TEMP%\1til.dat,XFG00
- '<SYSTEM32>\rundll32.exe' %TEMP%\1til.dat,XFG01
- '<SYSTEM32>\rundll32.exe' %TEMP%\1til.dat,XFG03
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system:
Creates the following files:
- %TEMP%\lit1.pad
- %TEMP%\lit1.js
- %TEMP%\1til.dat
- %ALLUSERSPROFILE%\Application Data\1til.dat
Network activity:
Connects to:
- '37.##9.53.169':80
- '37.##9.53.199':443
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
