Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Msdriver' = '<SYSTEM32>\winupdater.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'Msdriver' = '<SYSTEM32>\winupdater.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
blocks the following features:
- User Account Control (UAC)
Executes the following:
- '<SYSTEM32>\winupdater.exe'
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
- ClassName: '' WindowName: 'TCPView - Sysinternals: www.sysinternals.com'
- ClassName: '' WindowName: 'The Wireshark Network Analyzer'
- ClassName: 'TCPViewClass' WindowName: ''
detect programs and games:
- ClassName: 'gdkWindowToplevel' WindowName: ''
Modifies file system:
Creates the following files:
- %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\KHMHGZ4F\relay[1].php
- <SYSTEM32>\winupdater.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\winupdater.exe
Network activity:
Connects to:
- 'pr###ct-7.info':80
TCP:
HTTP GET requests:
- http://pr###ct-7.info/wat/relay.php?os####################################
UDP:
- DNS ASK pr###ct-7.info
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'SysAnalyzer'
- ClassName: '' WindowName: 'CommView - The Team ZWT 2008'
- ClassName: '' WindowName: 'CommView'
