Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jaitoo' = '%HOMEPATH%\jaitoo.exe /T'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX8.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\jaitoo.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Sexy.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%\jaitoo.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\BUDGET.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\qu8lci-x.cmdline"
Modifies file system :
Creates the following files:
- %TEMP%\qu8lci-x.out
- %TEMP%\qu8lci-x.cmdline
- %TEMP%\qu8lci-x.0.vb
- %TEMP%\qu8lci-x.exe
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\svchost.exe
- %TEMP%\BUDGET.exe
- %TEMP%\KZ.resources
- %TEMP%\MSNPSharp.dll
- %TEMP%\5x5D8FXe3.resources
- %HOMEPATH%\jaitoo.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\jaitoo.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\jaitoo.exe
Deletes the following files:
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\qu8lci-x.0.vb
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- %TEMP%\qu8lci-x.out
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\qu8lci-x.cmdline
- %TEMP%\qu8lci-x.exe
Network activity:
Connects to:
- 'ns#.###nsearcher.net':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.###nsearcher.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
