Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuikaub' = '%HOMEPATH%\zuikaub.exe /c'
Creates the following files on removable media:
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\zuikaub.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Secret.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- %HOMEPATH%\adhost.exe
- %HOMEPATH%\zuikaub.exe
- %HOMEPATH%\I8pIXz4Y.exe
Executes the following:
- <SYSTEM32>\tasklist.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\adhost.exe
- %HOMEPATH%\bdhost.exe
- %HOMEPATH%\I8pIXz4Y.exe
- %HOMEPATH%\zuikaub.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\zuikaub.exe
Deletes the following files:
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''