Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Avast' = ''
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{0M3010A0-75N3-HAXU-540X-3FW8P3166435}] 'StubPath' = '%APPDATA%\explorer.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{0M3010A0-75N3-HAXU-540X-3FW8P3166435}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'AvastUI' = ''
Malicious functions:
Creates and executes the following:
- '%APPDATA%\explorer.exe'
Injects code into
the following system processes:
- <SYSTEM32>\dwwin.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %APPDATA%\logs.dat
- %APPDATA%\explorer.exe
- %TEMP%\XX--XX--XX.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
- %APPDATA%\explorer.exe
Deletes the following files:
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
- %WINDIR%\explorer.exe
- %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
- 'mo####.myvnc.com':5196
UDP:
- DNS ASK mo####.myvnc.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
