Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Cryptogrephic Services] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- %WINDIR%\lsess.exe
Executes the following:
- <SYSTEM32>\svchost.exe 40010
- <SYSTEM32>\cmd.exe /c %TEMP%\ALSYVO.bat
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %TEMP%\ALSYVO.bat
- %WINDIR%\lsess.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\lsess.exe
Deletes itself.
Network activity:
Connects to:
- '40###.rhelper.com':2
UDP:
- DNS ASK 40###.rhelper.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
