Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Studio 12' = '%PROGRAM_FILES%\Microsoft Studio\maker.exe'
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\Microsoft Studio\mscr.exe
- %PROGRAM_FILES%\Microsoft Studio\maker.exe
Executes the following:
- <SYSTEM32>\attrib.exe +h +s /d /s "%PROGRAM_FILES%\Microsoft Studio"
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Microsoft Studio\cfg.ini
- %PROGRAM_FILES%\Microsoft Studio\image-00.28.51_date-23.10.2012.jpg
- %PROGRAM_FILES%\Microsoft Studio\image-00.29.21_date-23.10.2012.jpg
- %PROGRAM_FILES%\Microsoft Studio\mscr.exe
- %PROGRAM_FILES%\Microsoft Studio\maker.exe
- %PROGRAM_FILES%\Microsoft Studio\log.txt
- %PROGRAM_FILES%\Microsoft Studio\mlog.exe
Network activity:
Connects to:
- '94.##0.191.201':25
UDP:
- DNS ASK sm##.mail.ru
