Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Lcwgwr' = '%APPDATA%\Microsoft\Windows\themes\Lcwgwr.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = '%APPDATA%\WindowsUpdate\Updater.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update Installer' = '%APPDATA%\WindowsUpdate\Updater.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\lbbkqaw.exe
Malicious functions:
Executes the following:
- '<SYSTEM32>\mspaint.exe'
- '<SYSTEM32>\calc.exe'
- '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
- <SYSTEM32>\alg.exe
- <SYSTEM32>\cscript.exe
- <SYSTEM32>\cmd.exe
- <SYSTEM32>\mspaint.exe
- <SYSTEM32>\spoolsv.exe
- <SYSTEM32>\svchost.exe
a large number of user processes.
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\ctfmon.exe
Modifies file system :
Creates the following files:
- %APPDATA%\Update\Update.exe
- %TEMP%\c731200
- %APPDATA%\Microsoft\Windows\Themes\Lcwgwr.exe
- %APPDATA%\c731200
- %APPDATA%\WindowsUpdate\Updater.exe
- %APPDATA%\Update\Explorer.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\lbbkqaw.exe
Deletes itself.
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
