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Trojan.Siggen21.12691
Added to the Dr.Web virus database:
2023-07-28
Virus description added:
2024-03-29
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Control Panel\Cpls] 'Pando' = '%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.cpl'
[HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Pando Media Booster' = '%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe'
Malicious functions
Executes the following
'%WINDIR%\syswow64\taskkill.exe' /F /IM PMB.exe /T
'%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram program="%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe" name="Pando Media Booster" mode=ENABLE profile=all
'%WINDIR%\syswow64\netsh.exe' firewall add portopening protocol=ALL port=56726 name="Pando Media Booster" profile=all
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Pando Media Booster" dir=in action=allow program="%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe" enable=yes profile=ANY protocol=ANY edge=yes
Modifies file system
Creates the following files
%TEMP%\<File name>.exe.log
%LOCALAPPDATA%\pmb files\cert\cert8.db
%LOCALAPPDATA%\pmb files\cert\secmod.db
%ALLUSERSPROFILE%\pmb files\pando.ini
%ProgramFiles(x86)%\pando networks\media booster\media booster faqs.url
%ProgramFiles(x86)%\pando networks\media booster\pmb.exe.config
%ProgramFiles(x86)%\pando networks\media booster\microsoft.vc90.crt\microsoft.vc90.crt.manifest
%ProgramFiles(x86)%\pando networks\media booster\ssl3.dll
%ProgramFiles(x86)%\pando networks\media booster\softokn3.dll
%ProgramFiles(x86)%\pando networks\media booster\nppandowebplugin.dll.2.config
%ProgramFiles(x86)%\pando networks\media booster\nppandowebplugin.dll
%ProgramFiles(x86)%\pando networks\media booster\smime3.dll
%ProgramFiles(x86)%\pando networks\media booster\nssckbi.dll
%ProgramFiles(x86)%\pando networks\media booster\pmb.exe
%ProgramFiles(x86)%\pando networks\media booster\pmb.cpl
%ProgramFiles(x86)%\pando networks\media booster\microsoft.vc90.crt\msvcr90.dll
%ProgramFiles(x86)%\pando networks\media booster\microsoft.vc90.crt\msvcp90.dll
%ProgramFiles(x86)%\pando networks\media booster\nss3.dll
%ProgramFiles(x86)%\pando networks\media booster\plds4.dll
%ProgramFiles(x86)%\pando networks\media booster\plc4.dll
%ProgramFiles(x86)%\pando networks\media booster\nspr4.dll
%ProgramFiles(x86)%\pando networks\media booster\uninst.exe
%ProgramFiles(x86)%\pando networks\media booster\bugsplatrc.dll
%ProgramFiles(x86)%\pando networks\media booster\freebl3.dll
%ProgramFiles(x86)%\pando networks\media booster\bssndrpt.exe
%ProgramFiles(x86)%\pando networks\media booster\bugsplat.dll
%HOMEPATH%\.swt\lib\win32\x86\swt-win32-3740.dll
%TEMP%\swt-win32-3740.dll
%LOCALAPPDATA%\pmb files\cert\key3.db
%LOCALAPPDATA%\pmb files\pando.log
Network activity
Connects to
'localhost':60524
'localhost':49187
'localhost':49189
'localhost':49191
'localhost':49193
'localhost':49195
'localhost':49197
'localhost':49199
TCP
Other
'localhost':49188
'localhost':49194
'localhost':49196
'localhost':49200
UDP
DNS ASK co#######ces.pandonetworks.com
Miscellaneous
Searches for the following windows
ClassName: '' WindowName: ''
Creates and executes the following
'%ProgramFiles(x86)%\pando networks\media booster\pmb.exe'
Executes the following
'%WINDIR%\syswow64\cmd.exe' /C set
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\MozillaPlugins\@pandonetworks.com/PandoWebPlugin /V Description /T REG_SZ /F /D "This plugin detects and launches Pando Media Booster"
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\MozillaPlugins\@pandonetworks.com/PandoWebPlugin /V Vendor /T REG_SZ /F /D "Pando Networks Inc."
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\MozillaPlugins\@pandonetworks.com/PandoWebPlugin /V Version /T REG_SZ /F /D
'%WINDIR%\syswow64\regsvr32.exe' /s "%ProgramFiles(x86)%\Pando Networks\Media Booster\npPandoWebPlugin.dll"
'%WINDIR%\syswow64\cmd.exe' /c "netsh firewall add allowedprogram program="%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe" name="Pando Media Booster" mode=ENABLE profile=all"
'%WINDIR%\syswow64\cmd.exe' /c "netsh firewall add portopening protocol=ALL port=56726 name="Pando Media Booster" profile=all"
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Internet Explorer\Low RightsElevationPolicy\{3644F00E-747A-44aa-8DC3-139CCBEF5BFB}" /V AppName /T REG_SZ /F /D PMB.exe
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\MozillaPlugins\@pandonetworks.com/PandoWebPlugin /V Path /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster\npPandoWebPlugin.dll"
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\MozillaPlugins\@pandonetworks.com/PandoWebPlugin /V ProductName /T REG_SZ /F /D "Pando Web Plugin"
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Internet Explorer\Low RightsElevationPolicy\{3644F00E-747A-44aa-8DC3-139CCBEF5BFB}" /V AppPath /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster"
'%WINDIR%\syswow64\cmd.exe' /c " cacls "%ALLUSERSPROFILE%\PMB Files\pando.ini" /C /P Everyone:F /e""
'%WINDIR%\syswow64\cacls.exe' "%ALLUSERSPROFILE%\PMB Files\pando.ini" /C /P Everyone:F /e"
'%WINDIR%\syswow64\cmd.exe' /c "netsh advfirewall firewall add rule name="Pando Media Booster" dir=in action=allow program="%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe" enable=yes profile=ANY protocol=ANY edg...
'%WINDIR%\syswow64\reg.exe' ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V "Pando Media Booster" /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe"
'%WINDIR%\syswow64\regsvr32.exe' /u /s "%ProgramFiles(x86)%\Pando Networks\PandoShared\npPandoWebInst.dll"
'%WINDIR%\syswow64\reg.exe' query "HKLM\Software\Mozilla\Mozilla Firefox" /v CurrentVersion
'%WINDIR%\syswow64\reg.exe' query "HKLM\Software\Mozilla\Mozilla Firefox\\Main" /v "Install Directory"
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Internet Explorer\Low RightsElevationPolicy\{3644F00E-747A-44aa-8DC3-139CCBEF5BFB}" /V Policy /T REG_DWORD /F /D 3
'%WINDIR%\syswow64\reg.exe' query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v "Common AppData"
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved\{31261F21-2B16-45EE-BEAB-07C4CFA18B65} /F
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V EstimatedSize /T REG_DWORD /F /D 5600
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V NoRepair /T REG_DWORD /F /D 1
'%WINDIR%\syswow64\reg.exe' query "HKLM\Software\Pando Networks\PMB" /v "Version Number"
'%WINDIR%\syswow64\reg.exe' DELETE HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /va /F
'%WINDIR%\syswow64\reg.exe' DELETE HKCU\Software\Microsoft\Installer\Products\F281A0892A0E04A4491CEAC0215309E2 /va /F
'%WINDIR%\syswow64\reg.exe' DELETE HKCU\Software\Microsoft\Installer\UpgradeCodes\868F06E7785EC6543949591BEAFF543B /va /F
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Cpls" /V Pando /T REG_EXPAND_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.cpl"
'%WINDIR%\syswow64\reg.exe' ADD "HKCU\SOFTWARE\Pando Networks\PMB" /V "Program Directory" /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster"
'%WINDIR%\syswow64\reg.exe' ADD "HKCU\SOFTWARE\Pando Networks\PMB" /V "Version Number" /T REG_SZ /F /D
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Pando Networks\PMB" /V "Program Directory" /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster"
'%WINDIR%\syswow64\reg.exe' query "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager" /v PendingFileRenameOperations
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Pando Networks\PMB" /V "Version Number" /T REG_SZ /F /D
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V DisplayVersion /T REG_SZ /F /D
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V InstallLocation /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster"
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V UninstallString /T REG_EXPAND_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster\u...
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V URLInfoAbout /T REG_SZ /F /D http://www.pandonetworks.com/pando-media-booster-support-faq
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V WindowsInstaller /T REG_DWORD /F /D 0
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V Publisher /T REG_SZ /F /D "Pando Networks Inc."
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V DisplayIcon /T REG_SZ /F /D "%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.exe"
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V NoModify /T REG_DWORD /F /D 1
'%WINDIR%\syswow64\reg.exe' ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{980A182F-E0A2-4A40-94C1-AE0C1235902E} /V DisplayName /T REG_SZ /F /D "Pando Media Booster"
'%WINDIR%\syswow64\cmd.exe' /c "del /F /Q "%ProgramFiles(x86)%\Pando Networks\PandoShared\npPandoWebInst.*" "\Plugins\npPandoWebInst.*""
'%WINDIR%\syswow64\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Extended Properties\{305CA226-D286-468e-B848-2B2E8E697B74} 2" /V "%ProgramFiles(x86)%\Pando Networks\Media Booster\PMB.cpl" /T ...
Curing recommendations
Windows
macOS
Linux
Android
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
Find out more about Dr.Web for Android
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