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Trojan.Siggen10.22132

Added to the Dr.Web virus database: 2020-09-17

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000001] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000002] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000003] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000004] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000005] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000006] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000007] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000008] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000009] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
  • [<HKLM>\System\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000010] 'PackedCatalogItem' = '{25,53,79,73,74,65,6d,52,6f,6f,74,25,5c,73,79,73,74,65,6d,33...
Malicious functions
Executes the following
  • '<SYSTEM32>\taskkill.exe' /IM "EpicGamesLauncher.exe" /T /F
  • '<SYSTEM32>\taskkill.exe' /IM "FortniteClient-Win64-Shipping.exe" /T /F
  • '<SYSTEM32>\taskkill.exe' /IM "FortniteClient-Win64-Shipping_EAC.exe" /T /F
  • '<SYSTEM32>\taskkill.exe' /IM "FortniteLauncher.exe" /T /F
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: ''
Creates and executes the following
  • '<SYSTEM32>\cmd.exe' /s /c "fsutil dirty query %systemdrive%"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "IPCONFIG /FLUSHDNS"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "IPCONFIG /RENEW"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "IPCONFIG /RELEASE"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INT RESET ALL"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INTERFACE TCP RESET"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INTERFACE IPV6 RESET"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INTERFACE IPV4 RESET"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INT IP RESET"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH WINSOCK RESET"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "WMIC LOGICALDISK GET NAME"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKCU\SOFTWARE\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\EpicGames" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NBTSTAT -R"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\WOW6432Node\EpicGames" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\Classes\com.epicgames.launcher" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKCR\com.epicgames.launcher" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1001\Software\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1002\Software\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-501\Software\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1004\Software\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-500\Software\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "WMIC USERACCOUNT GET SID"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "FortniteLauncher.exe" /T /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "FortniteClient-Win64-Shipping_EAC.exe" /T /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "FortniteClient-Win64-Shipping.exe" /T /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "EpicGamesLauncher.exe" /T /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\WOW6432Node\Epic Games" /F"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /d /s /c "NBTSTAT -RR"' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' /s /c "fsutil dirty query %systemdrive%"
  • '<SYSTEM32>\cmd.exe' /d /s /c "WMIC LOGICALDISK GET NAME"
  • '<SYSTEM32>\wbem\wmic.exe' LOGICALDISK GET NAME
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH WINSOCK RESET"
  • '<SYSTEM32>\netsh.exe' WINSOCK RESET
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INT IP RESET"
  • '<SYSTEM32>\netsh.exe' INT IP RESET
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INTERFACE IPV4 RESET"
  • '<SYSTEM32>\netsh.exe' INTERFACE IPV4 RESET
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INTERFACE IPV6 RESET"
  • '<SYSTEM32>\netsh.exe' INTERFACE IPV6 RESET
  • '<SYSTEM32>\reg.exe' DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-501\Software\Epic Games" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INTERFACE TCP RESET"
  • '<SYSTEM32>\cmd.exe' /d /s /c "NETSH INT RESET ALL"
  • '<SYSTEM32>\netsh.exe' INT RESET ALL
  • '<SYSTEM32>\cmd.exe' /d /s /c "IPCONFIG /RELEASE"
  • '<SYSTEM32>\ipconfig.exe' /RELEASE
  • '<SYSTEM32>\cmd.exe' /d /s /c "IPCONFIG /RENEW"
  • '<SYSTEM32>\ipconfig.exe' /RENEW
  • '<SYSTEM32>\cmd.exe' /d /s /c "IPCONFIG /FLUSHDNS"
  • '<SYSTEM32>\ipconfig.exe' /FLUSHDNS
  • '<SYSTEM32>\cmd.exe' /d /s /c "NBTSTAT -R"
  • '<SYSTEM32>\nbtstat.exe' -R
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKCU\SOFTWARE\Epic Games" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKCU\SOFTWARE\Epic Games" /F
  • '<SYSTEM32>\reg.exe' DELETE "HKLM\SOFTWARE\EpicGames" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\EpicGames" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKLM\SOFTWARE\WOW6432Node\EpicGames" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "EpicGamesLauncher.exe" /T /F"
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "FortniteClient-Win64-Shipping.exe" /T /F"
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "FortniteClient-Win64-Shipping_EAC.exe" /T /F"
  • '<SYSTEM32>\cmd.exe' /d /s /c "TASKKILL /IM "FortniteLauncher.exe" /T /F"
  • '<SYSTEM32>\cmd.exe' /d /s /c "WMIC USERACCOUNT GET SID"
  • '<SYSTEM32>\wbem\wmic.exe' USERACCOUNT GET SID
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-500\Software\Epic Games" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-500\Software\Epic Games" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1004\Software\Epic Games" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1004\Software\Epic Games" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "NBTSTAT -RR"
  • '<SYSTEM32>\netsh.exe' INTERFACE TCP RESET
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-501\Software\Epic Games" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1002\Software\Epic Games" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1001\Software\Epic Games" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1001\Software\Epic Games" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKCR\com.epicgames.launcher" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKCR\com.epicgames.launcher" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\Classes\com.epicgames.launcher" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKLM\SOFTWARE\Classes\com.epicgames.launcher" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\WOW6432Node\Epic Games" /F"
  • '<SYSTEM32>\reg.exe' DELETE "HKLM\SOFTWARE\WOW6432Node\Epic Games" /F
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKLM\SOFTWARE\WOW6432Node\EpicGames" /F"
  • '<SYSTEM32>\fsutil.exe' dirty query C
  • '<SYSTEM32>\cmd.exe' /d /s /c "REG DELETE "HKEY_USERS\S-1-5-21-1960123792-2022915161-3775307078-1002\Software\Epic Games" /F"
  • '<SYSTEM32>\nbtstat.exe' -RR

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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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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  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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