Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'shell' = '<SYSTEM32>\\Cache\SVCH0ST.EXE'
Creates the following files on removable media:
- <Drive name for removable media>:\ielp.exe
- <Drive name for removable media>:\AutoRun.inf
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\Cache\SVCH0ST.EXE
- <SYSTEM32>\svchsot.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\Cache\SVCH0ST.EXE
- C:\ielp.exe
- <SYSTEM32>\svchsot.exe
- C:\AutoRun.inf
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\Cache\SVCH0ST.EXE
- C:\ielp.exe
- <Drive name for removable media>:\ielp.exe
- <SYSTEM32>\svchsot.exe
- C:\AutoRun.inf
- <Drive name for removable media>:\AutoRun.inf
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: '??????????????????'
- ClassName: '#32770' WindowName: '??????'
- ClassName: '#32770' WindowName: '????????'
