Exploit.Siggen3.46053

Technical Information

Malicious functions

Creates and executes the following (exploit)

'%TEMP%\lingerer.exe'

Executes the following (exploit)

'%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE' -x -s 1928

Searches for registry branches where third party applications store passwords

[HKCU\Software\Far\Plugins\FTP\Hosts]
[HKCU\Software\FileZilla]
[HKCU\Software\FileZilla Client]
[HKLM\Software\Wow6432Node\FileZilla]
[HKLM\Software\FileZilla]
[HKLM\Software\Wow6432Node\FileZilla Client]
[HKLM\Software\FileZilla Client]
[HKCU\Software\FTPWare\COREFTP\Sites]
[HKLM\Software\Wow6432Node\FlashFXP]
[HKLM\Software\FlashFXP]
[HKCU\Software\VanDyke\SecureFX]
[HKCU\Software\Microsoft\Windows Live Mail]
[HKCU\Software\Microsoft\Windows Mail]
[HKCU\Software\Microsoft\Internet Account Manager\Accounts]
[HKCU\Identities\{D59A8B31-5854-4768-BA01-CD66BEADF546}\Software\Microsoft\Internet Account Manager\Accounts]
[HKLM\Software\Wow6432Node\Microsoft\Internet Account Manager]
[HKLM\Software\Microsoft\Internet Account Manager]
[HKCU\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
[HKCU\Software\Martin Prikryl]
[HKLM\Software\Wow6432Node\Martin Prikryl]
[HKLM\Software\FlashFXP\3]
[HKLM\Software\Wow6432Node\FlashFXP\3]
[HKCU\Software\FlashFXP]
[HKCU\Software\Far Manager\Plugins\FTP\Hosts]
[HKCU\Software\Far\SavedDialogHistory\FTPHost]
[HKCU\Software\Far2\SavedDialogHistory\FTPHost]
[HKCU\Software\Far Manager\SavedDialogHistory\FTPHost]
[HKCU\Software\Ghisler\Windows Commander]
[HKLM\Software\Wow6432Node\Ghisler\Windows Commander]
[HKLM\Software\Ghisler\Windows Commander]
[HKCU\Software\Ghisler\Total Commander]
[HKCU\Software\Far2\Plugins\FTP\Hosts]
[HKLM\Software\Wow6432Node\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\GlobalSCAPE\CuteFTP 7 Professional\QCToolbar]
[HKCU\Software\GlobalSCAPE\CuteFTP 8 Home\QCToolbar]
[HKCU\Software\GlobalSCAPE\CuteFTP 8 Professional\QCToolbar]
[HKCU\Software\GlobalSCAPE\CuteFTP 9\QCToolbar]
[HKCU\Software\FlashFXP\3]
[HKLM\Software\Ghisler\Total Commander]
[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings]
[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]

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%\lingerer.exe
%TEMP%\1248507.cvr
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
%LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol

Network activity

UDP

DNS ASK re###uggot.ru
DNS ASK su###rugru.ru

Curing recommendations

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.
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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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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Download Dr.Web

Download by serial number

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.
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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Myths

Technical Information

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