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Trojan.StartPage.49467

Added to the Dr.Web virus database: 2012-11-28

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = 'explorer.exe "%CommonProgramFiles%\Renova.exe"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Shell' = '%CommonProgramFiles%\Renova.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\klrun.exe] 'Debugger' = '%WINDIR%\Mscry.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'hH' = '<SYSTEM32>\From_Mr_CoolFace.bat'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Music_Blocker' = 'avoner.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe "%CommonProgramFiles%\Renova.exe"'
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\System32_Renova\Emira.exe
  • %APPDATA%\services.exe
  • %APPDATA%\winlogon.exe
Executes the following:
  • %WINDIR%\explorer.exe
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
  • %CommonProgramFiles%\Renova.exe
  • <SYSTEM32>\avoner.com
  • C:\Renova\Renova.htm
  • %WINDIR%\Mscry.exe
  • %APPDATA%\services.exe
  • %APPDATA%\winlogon.exe
  • <SYSTEM32>\System32_Renova\Emira.exe
  • <SYSTEM32>\From_Mr_CoolFace.bat
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\From_Mr_CoolFace.bat
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: 'H-tech Science <<>> STMIK Dipanegara'
  • ClassName: '' WindowName: 'Command Bro !!!'
  • ClassName: '' WindowName: 'VirusScan Home Edition'
  • ClassName: '' WindowName: 'McAfee VirusScan Installation Wizard'
  • ClassName: '' WindowName: 'Super Rabbit Registry Optimizer'
  • ClassName: '' WindowName: 'ConfigInspector'
  • ClassName: '' WindowName: 'Command Bro!!!'
  • ClassName: '' WindowName: '` `'
  • ClassName: '' WindowName: 'McAfee VirusScan'
  • ClassName: '' WindowName: 'AVG 7.0 - Basic Interface'
  • ClassName: '' WindowName: 'AVG Free Edition'
  • ClassName: '' WindowName: 'AVG Free Edition - Control Center'
  • ClassName: '' WindowName: 'AVG Free Edition - Test Center'
  • ClassName: '' WindowName: 'McAfee Instant Updater'
  • ClassName: '' WindowName: 'McAfee Firewall'
  • ClassName: '' WindowName: 'VirusScan Status'
  • ClassName: '' WindowName: 'McAfee Visual Trace'
  • ClassName: '' WindowName: 'Process Info'
  • ClassName: '' WindowName: 'Warecase eXtended Task Manager (Evaluation Version)'
  • ClassName: '' WindowName: 'AnVir Task Manager'
  • ClassName: '' WindowName: 'Untitled - ProcessViewer'
  • ClassName: '' WindowName: 'RegCure'
  • ClassName: '' WindowName: 'Desktop manager and settings'
  • ClassName: '' WindowName: 'TaskGuardian 1.0'
  • ClassName: '' WindowName: 'TaskGuardian'
  • ClassName: '' WindowName: 'WinTasks Pro'
  • ClassName: '' WindowName: 'myProcman'
  • ClassName: '' WindowName: 'ProcessInfo 2.6'
  • ClassName: '' WindowName: 'ShellDispenser'
  • ClassName: '' WindowName: 'EndTask Basic - Task Manager'
  • ClassName: '' WindowName: 'Active Task Manager settings'
  • ClassName: '' WindowName: 'EF Process Manager'
  • ClassName: '' WindowName: 'MightyChicken'
  • ClassName: '' WindowName: 'Actmon Process Monitoring BETA'
  • ClassName: '' WindowName: 'Problem Ejecting USB Mass Storage Device'
  • ClassName: '' WindowName: 'AVP Updater'
  • ClassName: '' WindowName: 'Windows Security Alert'
  • ClassName: '' WindowName: 'Windows Security Center'
  • ClassName: '' WindowName: 'AVP Control Center'
  • ClassName: '' WindowName: 'About AVP Control Centre'
  • ClassName: '' WindowName: 'AntiViral Toolkit Pro'
  • ClassName: '' WindowName: 'AVP Rescue Disk Set'
  • ClassName: '' WindowName: 'Acess Denied'
  • ClassName: '' WindowName: 'String Generator'
  • ClassName: '' WindowName: 'CRC Generator'
  • ClassName: '' WindowName: 'PROCESS EXPLORER WARNING'
  • ClassName: '' WindowName: 'Signature Editor'
  • ClassName: '' WindowName: 'Killer Window'
  • ClassName: '' WindowName: 'Borlas Virus'
  • ClassName: '' WindowName: 'Simple Worm Remover'
  • ClassName: '' WindowName: 'Double Killer'
  • ClassName: '' WindowName: 'avast! Log Viewer'
  • ClassName: '' WindowName: 'About avast!...'
  • ClassName: '' WindowName: 'avast! On-Access Scanner'
  • ClassName: '' WindowName: 'avast! 4'
  • ClassName: '' WindowName: 'Shell Extension Test'
  • ClassName: '' WindowName: 'AVG Free Edition - Virus Vault'
  • ClassName: '' WindowName: 'avast! settings...'
  • ClassName: '' WindowName: 'avast! splash screen'
  • ClassName: '' WindowName: 'avast! - simple user interface'
  • ClassName: '' WindowName: 'Setup - Antiviral Toolkit Pro'
  • ClassName: '' WindowName: 'avast! Home Edition Info'
  • ClassName: '' WindowName: 'AVP Monitor'
  • ClassName: '' WindowName: 'AVP Control Centre'
  • ClassName: '' WindowName: 'avast! Virus Chest'
  • ClassName: '' WindowName: 'avast! Simple User Interface'
  • ClassName: '' WindowName: 'avast! Quick Scanner'
  • ClassName: '' WindowName: 'avast! Antivirus Setup'
  • ClassName: '' WindowName: 'Installation'
  • ClassName: '' WindowName: 'EULA'
  • ClassName: '' WindowName: 'Security Task Manager Versi shareware tanpa registrasi'
  • ClassName: '' WindowName: 'Security Task Manager'
  • ClassName: '' WindowName: 'Microsoft Configuration Utility'
  • ClassName: '' WindowName: 'System Restore'
  • ClassName: '' WindowName: 'PowerDVD'
  • ClassName: '' WindowName: 'Windows Media Player'
  • ClassName: '' WindowName: 'Security Task Manager Unregistered shareware version'
  • ClassName: '' WindowName: 'Norman Generic Fix'
  • ClassName: '' WindowName: 'NVC v5.81 Setup'
  • ClassName: '' WindowName: 'Antivirus Scanner'
  • ClassName: '' WindowName: 'Zanda'
  • ClassName: '' WindowName: 'Pocket Killbox'
  • ClassName: '' WindowName: 'RegCleaner 4.1 by Jouni Vuorio'
  • ClassName: '' WindowName: 'Norman Virus Control - InstallShield Wizard'
  • ClassName: '' WindowName: 'Process Explorer - Sysinternals: www.sysinternals.com'
  • ClassName: '' WindowName: 'HijackThis - v1.99.1'
  • ClassName: '' WindowName: 'Getting Started with Windows 2000'
  • ClassName: '' WindowName: 'Windows Script Host'
  • ClassName: '' WindowName: 'HijackThis'
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: '' WindowName: 'Folder Options'
  • ClassName: '' WindowName: 'Windows Task Manager'
  • ClassName: '' WindowName: 'Task Manager'
  • ClassName: '' WindowName: 'Registry Editor'
  • ClassName: '' WindowName: 'Close Programs'
  • ClassName: '' WindowName: 'System Configuration Utility'
  • ClassName: '' WindowName: 'Restrictions'
  • ClassName: '' WindowName: 'User Accounts'
  • ClassName: '' WindowName: 'Group Policy'
  • ClassName: '' WindowName: 'Close Program'
  • ClassName: '' WindowName: 'Users and Passwords'
  • ClassName: '' WindowName: 'Just In Time Debugger'
  • ClassName: '' WindowName: 'PC Media Antivirus'
  • ClassName: '' WindowName: 'BlackICE'
  • ClassName: '' WindowName: 'Registry Monitor'
  • ClassName: '' WindowName: 'Multikiller3'
  • ClassName: '' WindowName: 'Multikiller2'
  • ClassName: '' WindowName: 'Multikiller5'
  • ClassName: '' WindowName: 'Multikiller4'
  • ClassName: '' WindowName: 'Pop3trap'
  • ClassName: '' WindowName: 'Registry Mechanic'
  • ClassName: '' WindowName: 'Autostart And Process Viewer'
  • ClassName: '' WindowName: 'Registry Booster'
  • ClassName: '' WindowName: 'RegistryBooster'
  • ClassName: '' WindowName: 'Ad-aware 6.0 Personal'
  • ClassName: '' WindowName: 'Ad-Aware SE Personal'
  • ClassName: '' WindowName: 'ProcessViewer'
  • ClassName: '' WindowName: 'CurrProcess'
  • ClassName: '' WindowName: 'Setup - iKnowPS'
  • ClassName: '' WindowName: 'iKnowPS'
  • ClassName: '' WindowName: 'ART'
  • ClassName: '' WindowName: 'Advanced Registry Tracer'
  • ClassName: '' WindowName: 'TuneUp RegistryCleaner'
  • ClassName: '' WindowName: 'PCMAV'
  • ClassName: '' WindowName: 'RamCleaner'
  • ClassName: '' WindowName: 'System Cleaner'
  • ClassName: '' WindowName: 'CompactbyteAV'
  • ClassName: '' WindowName: 'About RTM'
  • ClassName: '' WindowName: 'Show/Kill Running Process'
  • ClassName: '' WindowName: 'Multikiller1'
  • ClassName: '' WindowName: 'Multikiller'
  • ClassName: '' WindowName: 'WAV v0.1b'
  • ClassName: '' WindowName: 'P3K Document Word Virus Diary.exe'
  • ClassName: '' WindowName: 'Process Explorer'
  • ClassName: '' WindowName: 'Process Viewer'

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

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