Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update System' = '%APPDATA%\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Update System' = '%APPDATA%\svchost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\WINDOWSFILEMNG\SYSTEMAP-26235-2322322-624621221-2622255\usbB10ck.exe
- <Drive name for removable media>:\WINDOWSFILEMNG\SYSTEMAP-26235-2322322-624621221-2622255\Desktop.ini
Malicious functions:
Creates and executes the following:
- %APPDATA%\svchost.exe
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %TEMP%\WERb5f0.dir00\svchost.exe.hdmp
- %TEMP%\WERb5f0.dir00\appcompat.txt
- %TEMP%\WERb5f0.dir00\manifest.txt
- %APPDATA%\svchost.exe
- %TEMP%\WERb5f0.dir00\svchost.exe.mdmp
- %TEMP%\google_cache2.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\WINDOWSFILEMNG\SYSTEMAP-26235-2322322-624621221-2622255\usbB10ck.exe
- %APPDATA%\svchost.exe
Network activity:
Connects to:
- 'c4#.#apto.org':6667
UDP:
- DNS ASK c4#.#apto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'BitDefender Firewall Alert'
- ClassName: '' WindowName: 'Windows Security Alert'