Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HCTM14HFT8' = '"%TEMP%\w.js"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Client.exe' = '"%TEMP%\111.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Client.exe' = '"%TEMP%\111.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\w.js
- %HOMEPATH%\Start Menu\Programs\Startup\Client.exe
Creates the following files on removable media:
- <Drive name for removable media>:\w.js
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system:
Creates the following files:
- %TEMP%\111.exe
- %TEMP%\w.js
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\w.js
Network activity:
Connects to:
- 'qa###.ddns.net':6522
UDP:
- DNS ASK qa###.ddns.net
Miscellaneous:
Creates and executes the following:
- '%TEMP%\111.exe'
- '<SYSTEM32>\wscript.exe' "%TEMP%\w.js"
Executes the following:
- '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 30 /tn Skype /tr "%TEMP%\w.js