Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Defender' = '%APPDATA%\WindowsNT\explorer.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Svchosted.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\WindowsNT\explorer.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows Defender" /t REG_SZ /d "%APPDATA%\WindowsNT\explorer.exe" /f
- <SYSTEM32>\cmd.exe /c """%TEMP%\DSonN.bat"" "
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\b–µlyhEseyk[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\b–µlyhEseyk[2]
- %APPDATA%\wII¶o”go–.exe.exe
- %TEMP%\DSonN.bat
- %APPDATA%\WindowsNT\explorer.exe
- %APPDATA%\lovely.ini
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Svchosted.exe
Deletes the following files:
- %TEMP%\DSonN.bat
Network activity:
Connects to:
- 'localhost':1038
- 'ht###.localdomain':80
TCP:
HTTP GET requests:
- ht###.localdomain//b??l############################################################
- ht###.localdomain//b??l##################################################
UDP:
- DNS ASK ht###.#caldomain
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'Indicator' WindowName: ''