Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Updater' = '<SYSTEM32>\update\wuauclt.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Modifies file system:
Creates the following files:
- <SYSTEM32>\update\wuauclt.exe
- <SYSTEM32>\update\old.dat
- <SYSTEM32>\update\PID
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\update\wuauclt.exe
- <SYSTEM32>\update\PID
Deletes the following files:
- <Full path to file>
- <SYSTEM32>\update\old.dat
Network activity:
Connects to:
- 'ir#.##eenode.net':6667
UDP:
- DNS ASK www.google.com
- DNS ASK ir#.##eenode.net
Miscellaneous:
Creates and executes the following:
- '<SYSTEM32>\update\wuauclt.exe'
