Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft@ Windows@' = '"<Full path to virus>"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\run32.exe
Malicious functions:
Executes the following:
- <SYSTEM32>\taskkill.exe /F /IM regedit.exe
- <SYSTEM32>\taskkill.exe /F /IM cmd.exe
- <SYSTEM32>\taskkill.exe /F /IM taskmgr.exe
Modifies file system :
Creates the following files:
- C:\autorun.inf
- <Auxiliary element>
- C:\System\autorun.inf
- C:\run32.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\run32.exe
- C:\run32.exe
Deletes the following files:
- %TEMP%\fc0c_appcompat.txt
Network activity:
Connects to:
- 'localhost':1037
- 'sm##.rambler.ru':25
UDP:
- DNS ASK sm##.rambler.ru
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''