Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RUNSERVICES] 'explorer' = '<SYSTEM32>\<Virus name>.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\<Virus name>.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\aUtOrUn.inF
- <Drive name for removable media>:\<Virus name>.exe
Malicious functions:
Executes the following:
- %WINDIR%\explorer.exe C:\
Modifies file system :
Creates the following files:
- <SYSTEM32>\_temp__.dat
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\info[1].php
- C:\aUtOrUn.inF
- <SYSTEM32>\<Virus name>.exe
- C:\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\aUtOrUn.inF
- C:\aUtOrUn.inF
- <SYSTEM32>\<Virus name>.exe
Network activity:
Connects to:
- 'pr###ctbox.ir':80
- 'localhost':1035
TCP:
HTTP GET requests:
- pr###ctbox.ir/information/info.php?b=##################
UDP:
- DNS ASK pr###ctbox.ir
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
