Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{J28Q4HOC-17LI-0RF3-Q0C3-P2FF0SY247MY}] 'StubPath' = '<SYSTEM32>\install\UPDATE.exe Restart'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%8
- %APPDATA%\88E6680F\ak.tmp
- <SYSTEM32>\install\UPDATE.exe
- %TEMP%\%USERNAME%2.txt
Deletes the following files:
- %TEMP%\%USERNAME%8
- %TEMP%\%USERNAME%7
- %TEMP%\%USERNAME%2.txt
Network activity:
Connects to:
- 'ak####0.zapto.org':48
UDP:
- DNS ASK ak####0.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'shell_traywnd' WindowName: ''
