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Tool.NirCmd.3
Added to the Dr.Web virus database:
2023-10-19
Virus description added:
2024-08-18
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[HKLM\Software\Classes\xml_fajl\Shell\Open\Command] '' = '"msedge.exe" "%1"'
[HKLM\Software\Classes\xps_fajl\Shell\Open\Command] '' = '"iexplore.exe" "%1"'
Malicious functions
Modifies settings of Windows Internet Explorer
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1004' = '00000001'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1201' = '00000000'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1209' = '00000001'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1406' = '00000000'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2100' = '00000003'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2101' = '00000000'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2200' = '00000000'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1406' = '00000000'
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system
Creates the following files
Network activity
Connects to
'ut#####.colorado.edu':13
'ti###a.nist.gov':13
UDP
DNS ASK ut#####.colorado.edu
DNS ASK ti###a.nist.gov
Miscellaneous
Adds a root certificate
Searches for the following windows
ClassName: 'EDIT' WindowName: ''
ClassName: '' WindowName: 'TimeSync '
ClassName: 'RegEdit_RegEdit' WindowName: ''
Creates and executes the following
'%TEMP%\rarsfx0\datex.exe' -f YYYYMMDD_HHNNSS
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "BГrГіsГЎg - EljГЎrГЎsok nyomtatvГЎnyai" "https://...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "BГrГіsГЎg - Elektronikus ГњgyintГ©zГ©si PortГЎl" ...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "BГrГіsГЎg kereső" "https://birosag.hu/birosag-ker...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "BГrГіsГЎg - ГњgyfГ©l IrathozzГЎfГ©rГ©si Rendszer"...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "CГ©gkapu regisztrГЎciГі" "https://cegkapu.gov.hu" ...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "CГ©gnyomtatvГЎny XML ellenőrzГ©se" "https://srv.e-...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "e-PapГr" "https://epapir.gov.hu" "%HOMEPATH%\UGYV...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "E-CГ©gjegyzГ©k" "https://www.e-cegjegyzek.hu" "%HOMEPATH...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "Hiteles Elektronikus PostafiГіk" "https://tarhely....
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "KormГЎnyablak - IKR" "https://e-kormanyablak.kh.go...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "MagyarorszГЎg.hu" "https://magyarorszag.hu" "%HOME...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "RendelkezГ©si NyilvГЎntartГЎs" "https://rendelkeze...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "ГњgyfГ©lkapu AdminisztrГЎciГі" "https://ugyfelkapu...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\TovГЎbbi alkalmazГЎsok" "Bank kereső" "https://www.bankker...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\TovГЎbbi alkalmazГЎsok" "CГ©gkГ¶zlГ¶ny - KГ¶zvetlen KГ¶zve...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\TovГЎbbi alkalmazГЎsok" "EgyhГЎzi NyilvГЎntartГі Rendszer"...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "JГњB" "https://gate.gov.hu/sso/ap/ApServlet?partnerid=ke...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "AzonosГtГЎsra Visszavezetett DokumentumhitelesГt...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\LaunchIE.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "TakarNet IE" "http://www.takarnet.hu/main/belepes.htm" "%HOMEPATH%\UGYVED"\"TakarNet IE".ico "" "" "%HOMEPATH%" "...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "OptiJUS" "https://optijus.hu" "%HOMEPATH%\UGYVED"\"OptiJ...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "Nemzeti JogszabГЎlytГЎr" "https://www.njt.hu" "%HOMEPATH...
'%TEMP%\rarsfx0\certmgr.exe' /add CER_ROOT\cqlca_netlock_class_q.cer /s /r localMachine root
'%TEMP%\rarsfx0\certmgr.exe' /add CER_ROOT\takarnet_ca_2016.cer /s /r localMachine root
'%TEMP%\rarsfx0\certmgr.exe' /add CER_ROOT\vony.cer /s /r localMachine root
'%WINDIR%\syswow64\wscript.exe' "%TEMP%\RarSFX0\iemode_takarnet_mokk.vbs"
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "Bajvan.hu" "https://www.bajvan.hu" "%HOMEPATH%\UGYVED"\"...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "Budapesti ГњgyvГ©di Kamara - ГњgyintГ©zГ©si felГјlet" "h...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "CГ©gszolgГЎlat Online CГ©ginformГЎciГі" "https://occsz.e...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\TovГЎbbi alkalmazГЎsok" "e-SzignГі FogalomtГЎr" "https://e...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\E-per" "Hivatali kapuval rendelkező szervezetek" "https://...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "Civil Szervezetek NГ©vjegyzГ©ke" "https://birosag.hu/all...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "FMH" "https://fmh.mokk.hu" "%HOMEPATH%\UGYVED"\"FMH".ico...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "FГ¶ldhivatal Online" "https://gate.gov.hu/sso/ap/ApServl...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "HBNY" "https://hbny.mokk.hu" "%HOMEPATH%\UGYVED"\"HBNY"....
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "IgazolГЎsi kГ©relmek (MГЃK)" "https://illetekigazolas.al...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "IM FizetГ©si PortГЎl" "https://fizetes.im.gov.hu/Fizetes...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "JogtГЎr" "https://jogtar.hu" "%HOMEPATH%\UGYVED"\"JogtГЎ...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "LetГ©tkezelő NyilvГЎntartГЎsi Rendszer" "https://www.e-l...
'%TEMP%\rarsfx0\timesync\timesync.exe' /auto
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok" "EgyГ©ni vГЎllalkozГіk nyilvГЎntartГЎsa" "https://www.nyi...
'%TEMP%\rarsfx0\nircmd.exe' shortcut "%HOMEPATH%\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" "~$folder.desktop$\ГњgyvГ©di alkalmazГЎsok\TovГЎbbi alkalmazГЎsok" "EU FMH" "https://e-justice.europa...
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\RarSFX0\start.bat" "
'%WINDIR%\syswow64\cmd.exe' /c REG QUERY "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop
'%WINDIR%\syswow64\findstr.exe' "6\."
'%WINDIR%\syswow64\cmd.exe' /S /D /c" VER "
'%WINDIR%\syswow64\reg.exe' delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xps" /f
'%WINDIR%\syswow64\reg.exe' delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xml" /f
'<SYSTEM32>\regsvr32.exe' %WINDIR%\MSCsigner64.ocx /s
'%WINDIR%\syswow64\regsvr32.exe' %WINDIR%\MSCsigner64.ocx /s
'%WINDIR%\syswow64\regsvr32.exe' %WINDIR%\MSCsigner.ocx /s
'%WINDIR%\syswow64\regsvr32.exe' <SYSTEM32>\capicom.dll /s
'%WINDIR%\syswow64\regedit.exe' /S REG\word_security.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\trust_es_enged.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\SecureProtocols_tls12-13.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\rovid_datumformatum.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\off2k13.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\ie_microsigner_engedelyez.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\ie_compatibility_off.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\iemode_in_msedge.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\hivatkozasok_bekapcsolasa_ieben.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\ezreshatarolo.reg
'%WINDIR%\syswow64\regedit.exe' /S REG\eszigno_utcai_v33.reg
'%WINDIR%\syswow64\cmd.exe' /c DateX.exe -f YYYYMMDD_HHNNSS
'%WINDIR%\syswow64\net1.exe' FILE
'%WINDIR%\syswow64\net.exe' FILE
'%WINDIR%\syswow64\reg.exe' QUERY "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop
'%WINDIR%\syswow64\chcp.com' 1250
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.
Find out more about Dr.Web for Android
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