Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Google' = '<SYSTEM32>\pnisnjpumm.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Command Prompt (CMD)
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Creates and executes the following:
- <SYSTEM32>\etchost.exe
Terminates or attempts to terminate
the following user processes:
- firefox.exe
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'DisallowRun' = '00000001'
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Internet Explorer\Main] 'Window Title' = 'Microsoft Internet Explorer'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- <SYSTEM32>\Mozilla\Firefox\Profiles\yhc73d.default\prefs.js
- <SYSTEM32>\Mozilla\Firefox\profiles.ini
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\suka[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\suka[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\suka[1].php
- <SYSTEM32>\pnisnjpumm.exe
- <SYSTEM32>\etchost.exe
- %TEMP%\aiw106703.EXE
- <SYSTEM32>\MSWINSCK.OCX
- %WINDIR%\Hijack This Uninstaller.exe
Deletes the following files:
- %TEMP%\aiw106703.EXE
Network activity:
Connects to:
- 'www.my###son.com':80
- 'localhost':1037
TCP:
HTTP GET requests:
- www.my###son.com/suka.php?hd######################################################
UDP:
- DNS ASK www.my###son.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
