Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Microsoft Update.lnk
Malicious functions:
Creates and executes the following:
- '%TEMP%\is-UMJV4.tmp\ZGJYTU.tmp' /SL5="$400E0,8567698,56832,%TEMP%\ZGJYTU.exe"
- '%TEMP%\ZGJYTU.exe'
Modifies file system:
Creates the following files:
- %TEMP%\aut2.tmp
- %TEMP%\ZGJYTU.exe
- %TEMP%\aut1.tmp
- %TEMP%\tvxbaex
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\tvxbaex
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'os####ker.hopto.org':81
UDP:
- DNS ASK os####ker.hopto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
