Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe logon.exe'
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\6YQRA29M\get[1].php
- <SYSTEM32>\logon.exe
Deletes itself.
Network activity:
Connects to:
- 'pu##sik.biz':80
TCP:
HTTP GET requests:
- pu##sik.biz/xxx/get.php?v=################################################
UDP:
- DNS ASK pu##sik.biz
- DNS ASK www.microsoft.com
