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Trojan.Siggen29.34353

Added to the Dr.Web virus database: 2024-09-02

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'O00ucSib3oGaHW78234A' = '<SYSTEM32>\AV Protection 2011v121.exe'
  • [HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'hXXwVlOtz0yAiD2' = '%APPDATA%\dwme.exe'
  • [HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'VivD3nF4aHJ7EgZ8234A' = '%APPDATA%\Lcc11ibDoG4m6W7\AV Protection 2011v121.exe'
  • [HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '0A1.exe' = '%ProgramFiles(x86)%\LP\649A\0A1.exe'
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Security Center
  • Windows Defender
blocks the following features:
  • Windows Action Center
Terminates or attempts to terminate
the following system processes:
  • %WINDIR%\explorer.exe
Searches for registry branches where third party applications store passwords
  • [HKCU\Software\Far\Plugins\FTP\Hosts]
  • [HKCU\Software\BPFTP]
  • [HKCU\Software\TurboFTP]
  • [HKCU\Software\Sota\FFFTP]
  • [HKCU\Software\Sota\FFFTP\Options]
  • [HKCU\Software\CoffeeCup Software\Internet\Profiles]
  • [HKCU\Software\FTPWare\COREFTP\Sites]
  • [HKCU\Software\FTP Explorer\FTP Explorer\Workspace\MFCToolBar-224]
  • [HKCU\Software\VanDyke\SecureFX]
  • [HKCU\Software\Cryer\WebSitePublisher]
  • [HKLM\Software\Wow6432Node\NCH Software\ClassicFTP\FTPAccounts]
  • [HKCU\Software\NCH Software\ClassicFTP\FTPAccounts]
  • [HKCU\Software\GlobalSCAPE\CuteFTP 8 Home\QCToolbar]
  • [HKCU\SOFTWARE\NCH Software\Fling\Accounts]
  • [HKCU\Software\FTPClient\Sites]
  • [HKLM\Software\Wow6432Node\FTPClient\Sites]
  • [HKCU\Software\SoftX.org\FTPClient\Sites]
  • [HKLM\Software\Wow6432Node\SoftX.org\FTPClient\Sites]
  • [HKCU\Software\Martin Prikryl]
  • [HKLM\Software\Wow6432Node\Martin Prikryl]
  • [HKCU\Software\South River Technologies\WebDrive\Connections]
  • [HKLM\Software\Wow6432Node\South River Technologies\WebDrive\Connections]
  • [HKCU\Software\FlashPeak\BlazeFtp\Settings]
  • [HKCU\SOFTWARE\Wow6432Node\Robo-FTP 3.7\FTPServers]
  • [HKLM\SOFTWARE\Wow6432Node\Robo-FTP 3.7\FTPServers]
  • [HKCU\Software\BPFTP\Bullet Proof FTP\Options]
  • [HKCU\Software\BulletProof Software\BulletProof FTP Client\Options]
  • [HKCU\Software\BulletProof Software\BulletProof FTP Client\Main]
  • [HKCU\Software\BPFTP\Bullet Proof FTP\Main]
  • [HKLM\Software\FileZilla Client]
  • [HKCU\Software\Far\SavedDialogHistory\FTPHost]
  • [HKCU\Software\Far2\SavedDialogHistory\FTPHost]
  • [HKCU\Software\Ghisler\Windows Commander]
  • [HKCU\Software\Ghisler\Total Commander]
  • [HKLM\Software\Wow6432Node\Ghisler\Windows Commander]
  • [HKLM\Software\Ghisler\Windows Commander]
  • [HKLM\Software\Wow6432Node\Ghisler\Total Commander]
  • [HKLM\Software\Ghisler\Total Commander]
  • [HKCU\Software\GlobalSCAPE\CuteFTP 6 Home\QCToolbar]
  • [HKCU\Software\GlobalSCAPE\CuteFTP 6 Professional\QCToolbar]
  • [HKCU\Software\GlobalSCAPE\CuteFTP 7 Home\QCToolbar]
  • [HKCU\SOFTWARE\Wow6432Node\Robo-FTP 3.7\Scripts]
  • [HKLM\SOFTWARE\Wow6432Node\NCH Software\Fling\Accounts]
  • [HKCU\Software\GlobalSCAPE\CuteFTP 7 Professional\QCToolbar]
  • [HKCU\Software\FlashFXP\3]
  • [HKCU\Software\FlashFXP]
  • [HKLM\Software\Wow6432Node\FlashFXP\3]
  • [HKLM\Software\FlashFXP\3]
  • [HKLM\Software\Wow6432Node\FlashFXP]
  • [HKLM\Software\FlashFXP]
  • [HKCU\Software\FileZilla]
  • [HKCU\Software\FileZilla Client]
  • [HKLM\Software\Wow6432Node\FileZilla]
  • [HKLM\Software\FileZilla]
  • [HKLM\Software\Wow6432Node\FileZilla Client]
  • [HKCU\Software\Far2\Plugins\FTP\Hosts]
  • [HKCU\Software\GlobalSCAPE\CuteFTP 8 Professional\QCToolbar]
  • [HKLM\SOFTWARE\Wow6432Node\Robo-FTP 3.7\Scripts]
Reads files which store third party applications passwords
  • %LOCALAPPDATA%\google\chrome\user data\default\web data
  • %LOCALAPPDATA%\google\chrome\user data\default\login data
Modifies file system
Creates the following files
  • %TEMP%\pijc64b.tmp
  • %ProgramFiles(x86)%\lp\649a\0a1.exe
  • %HOMEPATH%\desktop\av protection 2011.lnk
  • %APPDATA%\microsoft\windows\start menu\programs\av protection 2011\av protection 2011.lnk
  • %APPDATA%\pwkk8frl9\av protection 2011.ico
  • %APPDATA%\ldr.ini
  • %TEMP%\pij147a.tmp
  • %APPDATA%\ab488\861a.b48
  • %TEMP%\pij144b.tmp
  • %TEMP%\pijee55.tmp
  • %TEMP%\pijee44.tmp
  • %APPDATA%\dwme.exe
  • %TEMP%\dwme.exe
  • %WINDIR%\syswow64\av protection 2011v121.exe
  • %TEMP%\pijc66b.tmp
  • %APPDATA%\lcc11ibdog4m6w7\av protection 2011v121.exe
  • %ProgramFiles(x86)%\lp\649a\7510.tmp
Deletes the following files
  • %TEMP%\pijc64b.tmp
  • %TEMP%\pijc66b.tmp
  • %TEMP%\pijee44.tmp
  • %TEMP%\pijee55.tmp
  • %TEMP%\pij144b.tmp
  • %TEMP%\pij147a.tmp
  • %WINDIR%\syswow64\av protection 2011v121.exe
Modifies the HOSTS file.
Network activity
Connects to
  • 'google.com':80
  • 'ar####dlegion.com':80
TCP
HTTP GET requests
  • http://google.com/
  • http://ar####dlegion.com/716354_m61.png?pr#########################################
UDP
  • DNS ASK google.com
  • DNS ASK pi####ewonline.com
  • DNS ASK re###esys5.com
  • DNS ASK ar####dlegion.com
  • DNS ASK gi####oolstome.com
  • DNS ASK re####frommains.com
  • DNS ASK li###klubs.com
  • DNS ASK TR#####SDATAFORME.COM
Miscellaneous
Searches for the following windows
  • ClassName: 'npkjangh' WindowName: 'jbaohnjmedhkg'
  • ClassName: '' WindowName: ''
  • ClassName: 'Progman' WindowName: ''
  • ClassName: 'Proxy Desktop' WindowName: ''
  • ClassName: 'SystemTray_Main' WindowName: ''
  • ClassName: 'Media Center Tray Applet' WindowName: ''
  • ClassName: '' WindowName: 'View Available Networks'
  • ClassName: 'BluetoothNotificationAreaIconWindowClass' WindowName: 'BluetoothNotificationAreaIconWindowClass'
  • ClassName: 'BluetoothNotificationAreaIconWindowClass' WindowName: ''
Creates and executes the following
  • '%TEMP%\dwme.exe'
  • '%APPDATA%\dwme.exe' auto
  • '%WINDIR%\syswow64\av protection 2011v121.exe' Protection 2011v121.exe 5985<Full path to file>
  • '%APPDATA%\lcc11ibdog4m6w7\av protection 2011v121.exe' Protection 2011v121.exe 5985%WINDIR%\SysWOW64\AV Protection 2011v121.exe
  • '%APPDATA%\dwme.exe' start%APPDATA%\AB488\1EB64.exe%%APPDATA%\AB488
  • '%ProgramFiles(x86)%\lp\649a\7510.tmp'
  • '%APPDATA%\dwme.exe' start%ProgramFiles(x86)%\8861A\lvvm.exe%%ProgramFiles(x86)%\8861A
Executes the following
  • '%WINDIR%\explorer.exe'

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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