Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\javac] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\java\classes\javac.exe' -netsvc
Modifies file system :
Creates the following files:
- %WINDIR%\java\classes\javac.exe
- C:\sqmdata00.tmp
Sets the 'hidden' attribute to the following files:
- %WINDIR%\java\classes\javac.exe
Deletes the following files:
- C:\sqmdata00.tmp
Network activity:
Connects to:
- 'sm##.qq.com':25
UDP:
- DNS ASK sm##.qq.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: '(null)'
