Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Audio HD Driver' = '%TEMP%\x7lz6AsJwZKh.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Audio HD Driver' = '%TEMP%\x7lz6AsJwZKh.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Audio HD Driver' = '%TEMP%\x7lz6AsJwZKh.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%APPDATA%\x7lz6AsJwZKh.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{83313942-b21e-454e-b5ae-d01992a63ad5}] 'StubPath' = '%TEMP%\x7lz6AsJwZKh.exe'
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%\x7lz6asjwzkh.exe
- %APPDATA%\x7lz6asjwzkh.exe
Sets the 'hidden' attribute to the following files
- %TEMP%\x7lz6asjwzkh.exe
- %APPDATA%\x7lz6asjwzkh.exe
Network activity
UDP
- DNS ASK cr###3d.info
