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Trojan.MulDrop11.24013
Added to the Dr.Web virus database:
2019-10-20
Virus description added:
2019-10-22
Technical Information
To ensure autorun and distribution
Creates the following services
[<HKLM>\System\CurrentControlSet\Services\kangle] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\kangle] 'ImagePath' = '%ProgramFiles(x86)%\Bangteng\Kangle\bin\kangle.exe --ntsrv'
Malicious functions
Executes the following
'%WINDIR%\syswow64\taskkill.exe' /f /T /PID
'%WINDIR%\syswow64\net.exe' stop kangle
Modifies file system
Creates the following files
Sets the 'hidden' attribute to the following files
Deletes the following files
%WINDIR%\winsxs\installtemp\20191020184032005.0\9.0.21022.8.cat
%WINDIR%\winsxs\installtemp\20191020184032005.0\9.0.21022.8.policy
%WINDIR%\winsxs\installtemp\20191020184031849.0\msvcm90.dll
%WINDIR%\winsxs\installtemp\20191020184031849.0\msvcp90.dll
%WINDIR%\winsxs\installtemp\20191020184031849.0\msvcr90.dll
%WINDIR%\winsxs\installtemp\20191020184031849.0\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.21022.8_x-ww_d08d0375.cat
%WINDIR%\winsxs\installtemp\20191020184031849.0\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.21022.8_x-ww_d08d0375.manifest
C:\kj3\xxhos45.bat
C:\kj3\shortcut.exe
C:\kl\cj20.cmd
Moves the following files
from C:\kj3\users\public\desktop\google chrome.lnk to C:\kj3\users\public\desktop\google .lnk
from C:\kj3\users\public\desktop\mozilla firefox.lnk to C:\kj3\users\public\desktop\mozilla firefox.lnk
from C:\kj3\users\user\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar\google chrome.lnk to C:\kj3\users\user\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar\google .lnk
from C:\kj3\users\user\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar\internet explorer.lnk to C:\kj3\users\user\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar\internet .lnk
from C:\kj3\users\user\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar\windows explorer.lnk to C:\kj3\users\user\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar\windows .lnk
Deletes itself.
Network activity
UDP
DNS ASK 5u##.com
DNS ASK po#.#aidu.com
Miscellaneous
Searches for the following windows
ClassName: 'EDIT' WindowName: ''
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebCheckMonitor' WindowName: ''
ClassName: 'IEFrame' WindowName: ''
ClassName: 'Static' WindowName: ''
Creates and executes the following
'C:\kl\certutil11.exe' -addstore -enterprise "root" C:\llq\ca11.cer
'C:\kj3\shortcut.exe' /f:"C:\kj3\Users\Public\Desktop\Google Chrome.lnk" /a:e /p:"ГГ±dh.aqllq.top/ГЎProgramFiles/Google/Chrome/Application/chrome.exe"
'C:\kj3\shortcut.exe' /f:"C:\kj3\Users\Public\Desktop\Mozilla Firefox.lnk" /a:e /p:"ГГ±dh.aqllq.top/C:/ProgramFiles(x86)/MozillaFirefox/firefox.exe"
'C:\kj3\shortcut.exe' /f:"C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Google Chrome.lnk" /a:e /p:"ГГ±dh.aqllq.top/ГЎProgramFiles/Google/Chrome/Application/chrome.e...
'C:\kj3\shortcut.exe' /f:"C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Internet Explorer.lnk" /a:e /p:"ГГ±dh.aqllq.top/C:/ProgramFiles(x86)/InternetExplorer/iexplor...
'C:\kj3\shortcut.exe' /f:"C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Windows Explorer.lnk" /a:e /p:"ГГ±dh.aqllq.top/ГЎwindir/explorer.exe"
'%ProgramFiles(x86)%\bangteng\kangle\bin\kangle.exe' --install
'%ProgramFiles(x86)%\bangteng\kangle\bin\kangle.exe' --ntsrv
'%ProgramFiles(x86)%\bangteng\kangle\bin\kangle.exe' "--shutdown" "12776" "--active" "12772" "--notice" "12768" "--worker_index" "0" "--ppid" "1712"
'C:\kl\3msistub2.exe' C:\kl\kkll3180.msi /quiet /norestart
'C:\kl\klssl.exe'
'%ProgramFiles(x86)%\bangteng\kangle\bin\kangle.exe' "--shutdown" "12776" "--active" "12772" "--notice" "12768" "--worker_index" "0" "--ppid" "328"
'%ProgramFiles(x86)%\bangteng\kangle\bin\extworker.exe'
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kl\c1j.bat" h"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kj3\xxhos45.bat" h"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kl\cj20.cmd" h"' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kl\c1j.bat" "
'%WINDIR%\syswow64\xcopy.exe' "%APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\*ΣВ»└└╞≈.lnk" "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\"
'%WINDIR%\syswow64\xcopy.exe' "%APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\*Chrome.lnk" "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\"
'%WINDIR%\syswow64\xcopy.exe' "%APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\*Explorer.lnk" "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\"
'%WINDIR%\syswow64\xcopy.exe' "%APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\*Firefox.lnk" "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\"
'%WINDIR%\syswow64\xcopy.exe' "%APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\*Browser.lnk" "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\"
'%WINDIR%\syswow64\cmd.exe' /c dir "C:\kj3\*.lnk" /s /b
'%WINDIR%\syswow64\cmd.exe' /S /D /c" type "C:\kj3\Users\Public\Desktop\Google Chrome.lnk" "
'%WINDIR%\syswow64\find.exe' /i "exe"
'%WINDIR%\syswow64\find.exe' /i "\"
'%WINDIR%\syswow64\cmd.exe' /S /D /c" type "C:\kj3\Users\Public\Desktop\Mozilla Firefox.lnk" "
'%WINDIR%\syswow64\cmd.exe' /S /D /c" type "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Google Chrome.lnk" "
'%WINDIR%\syswow64\cmd.exe' /S /D /c" type "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Internet Explorer.lnk" "
'%WINDIR%\syswow64\msiexec.exe' /i C:\kl\kkll3180.msi /qn
'%WINDIR%\syswow64\cmd.exe' /S /D /c" type "C:\kj3\Users\user\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Windows Explorer.lnk" "
'%WINDIR%\syswow64\findstr.exe' "2"
'%WINDIR%\syswow64\cmd.exe' /c dir C:\kj3\*.lnk /s /b /a-d
'%WINDIR%\syswow64\msiexec.exe' /i C:\kl\kkll3180.msi /quiet /norestart
'%WINDIR%\syswow64\cacls.exe' "<DRIVERS>\etc\hosts" /p everyone:f
'%WINDIR%\syswow64\attrib.exe' <DRIVERS>\etc\hosts -h -r
'%WINDIR%\syswow64\net1.exe' stop kangle
'%WINDIR%\syswow64\net.exe' start kangle
'%WINDIR%\syswow64\net1.exe' start kangle
'%ProgramFiles(x86)%\internet explorer\iexplore.exe' C:\sm\shuo4.html
'%WINDIR%\syswow64\cacls.exe' "%ProgramFiles(x86)%\Bangteng\Kangle\etc\config.xml" /p everyone:f
'%WINDIR%\syswow64\cacls.exe' "%ProgramFiles%\Bangteng\Kangle\etc\config.xml" /p everyone:f
'%WINDIR%\syswow64\attrib.exe' "%ProgramFiles(x86)%\Bangteng\Kangle\etc\config.xml" -h -r
'%WINDIR%\syswow64\xcopy.exe' C:\Users\Public\Desktop\*Firefox.lnk C:\kj3\Users\Public\Desktop\
'%WINDIR%\syswow64\xcopy.exe' C:\Users\Public\Desktop\*Browser.lnk C:\kj3\Users\Public\Desktop\
'%WINDIR%\syswow64\xcopy.exe' C:\Users\Public\Desktop\*Explorer.lnk C:\kj3\Users\Public\Desktop\
'%WINDIR%\syswow64\xcopy.exe' C:\Users\Public\Desktop\*Chrome.lnk C:\kj3\Users\Public\Desktop\
'%WINDIR%\syswow64\xcopy.exe' C:\Users\Public\Desktop\*ΣВ»└└╞≈.lnk C:\kj3\Users\Public\Desktop\
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kj3\xxhos45.bat" "
'%WINDIR%\syswow64\mshta.exe' vbscript:createobject("wscript.shell").run("""C:\kj3\xxhos45.bat"" h",0)(window.close)
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kl\c1j.bat" h"
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kj3\xxhos45.bat" h"
'%WINDIR%\syswow64\attrib.exe' "%ProgramFiles(x86)%\Bangteng\Kangle\etc\config.xml" -h +r
'%WINDIR%\syswow64\cacls.exe' <DRIVERS>\etc\hosts /p everyone:f
'%WINDIR%\syswow64\attrib.exe' "%ProgramFiles%\Bangteng\Kangle\etc\config.xml" -h +r
'%WINDIR%\syswow64\netstat.exe' -ano
'%WINDIR%\syswow64\findstr.exe' 0.0.0.0:80
'%WINDIR%\syswow64\cmd.exe' /S /D /c" echo y"
'%WINDIR%\syswow64\cacls.exe' "%ProgramFiles(x86)%\Bangteng\Kangle\etc\config.xml" /p everyone:r
'%WINDIR%\syswow64\tasklist.exe'
'%WINDIR%\syswow64\attrib.exe' "%ProgramFiles%\Bangteng\Kangle\etc\config.xml" -h -r
'%WINDIR%\syswow64\reg.exe' Query HKCU\Software\Microsoft\Windows\Currentversion\Explorer\Advanced /v Hidden
'%WINDIR%\syswow64\findstr.exe' ""
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kl\cj20.cmd" "
'%WINDIR%\syswow64\mshta.exe' vbscript:createobject("wscript.shell").run("""C:\kl\cj20.cmd"" h",0)(window.close)
'%WINDIR%\syswow64\cmd.exe' /c reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\360se6.exe" | find /i "Path"
'%WINDIR%\syswow64\reg.exe' query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\360se6.exe"
'%WINDIR%\syswow64\find.exe' /i "Path"
'%WINDIR%\syswow64\cmd.exe' /c ""C:\kl\cj20.cmd" h"
'%WINDIR%\syswow64\ping.exe' -n 2 localhost
'%WINDIR%\syswow64\xcopy.exe' %HOMEPATH%\Desktop\*ΣВ»└└╞≈.lnk C:\kj3\Users\user\Desktop\
'%WINDIR%\syswow64\xcopy.exe' %HOMEPATH%\Desktop\*Chrome.lnk C:\kj3\Users\user\Desktop\
'%WINDIR%\syswow64\xcopy.exe' %HOMEPATH%\Desktop\*Explorer.lnk C:\kj3\Users\user\Desktop\
'%WINDIR%\syswow64\xcopy.exe' %HOMEPATH%\Desktop\*Firefox.lnk C:\kj3\Users\user\Desktop\
'%WINDIR%\syswow64\xcopy.exe' %HOMEPATH%\Desktop\*Browser.lnk C:\kj3\Users\user\Desktop\
'%WINDIR%\syswow64\mshta.exe' vbscript:createobject("wscript.shell").run("""C:\kl\c1j.bat"" h",0)(window.close)
'%WINDIR%\syswow64\cacls.exe' "%ProgramFiles%\Bangteng\Kangle\etc\config.xml" /p everyone:r
'%WINDIR%\syswow64\ping.exe' 127.0.0.1 -n 1
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.
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