Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lkthost' = '%WINDIR%\Sys\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lkthost' = '<Full path to virus>'
Creates the following files on removable media:
- <Drive name for removable media>:\Start.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following:
- <SYSTEM32>\reg.exe ADD hkcu\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v SuperHidden /t REG_DWORD /d 0 /f
- <SYSTEM32>\reg.exe ADD hkcu\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v ShowSuperHidden /t REG_DWORD /d 0 /f
- <SYSTEM32>\attrib.exe +r +h +s E:\autorun.inf
- <SYSTEM32>\attrib.exe +r +h +s E:\Start.exe
Modifies file system :
Creates the following files:
- %WINDIR%\Sys\svchost.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\htmlfacil[1]
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Start.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'ht###acil.com':80
TCP:
HTTP GET requests:
- ht###acil.com/?ad#############
UDP:
- DNS ASK ht###acil.com
