Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\cvshost] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\cvshost.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c %WINDIR%\DELME.BAT
Modifies file system :
Creates the following files:
- %WINDIR%\DELME.BAT
- %WINDIR%\cvshost.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\cvshost.exe
Deletes itself.
Network activity:
Connects to:
- 'www.tw##w.net':80
TCP:
HTTP GET requests:
- www.tw##w.net/ip.txt
UDP:
- DNS ASK www.tw##w.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
