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Trojan.Siggen15.15670

Added to the Dr.Web virus database: 2021-10-02

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Classes\blitz\shell\open\command] '' = '"%LOCALAPPDATA%\Programs\Blitz\Blitz.exe" "%1"'
Malicious functions
Injects code into
the following user processes:
  • blitz.exe
Modifies file system
Creates the following files
  • %TEMP%\nsq7a1f.tmp\system.dll
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\safe_x64_injector.exe
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\pinmanager.exe
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\native-utils.dll
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\lor-overlay.dll
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\fortnite-internal.dll
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\blitz-overlay.dll
  • %LOCALAPPDATA%\programs\blitz\libglesv2.dll
  • %LOCALAPPDATA%\programs\blitz\libegl.dll
  • %LOCALAPPDATA%\programs\blitz\ffmpeg.dll
  • %LOCALAPPDATA%\programs\blitz\d3dcompiler_47.dll
  • %LOCALAPPDATA%\programs\blitz\blitz.exe
  • %LOCALAPPDATA%\programs\blitz\vk_swiftshader_icd.json
  • %LOCALAPPDATA%\programs\blitz\v8_context_snapshot.bin
  • %LOCALAPPDATA%\programs\blitz\snapshot_blob.bin
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\safe_x86_injector.exe
  • %LOCALAPPDATA%\programs\blitz\resources\overlay\index.js.gz
  • %LOCALAPPDATA%\programs\blitz\resources\overlay\index.html
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\index.node
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\electron_overlay.node
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\blitz_core.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\win32-x64\node.napi.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\win32-ia32\node.napi.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\linux-x64\node.napi.musl.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\linux-x64\node.napi.glibc.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\linux-arm64\node.napi.armv8.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\linux-arm\node.napi.armv7.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\linux-arm\node.napi.armv6.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\darwin-x64\node.napi.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\android-arm64\node.napi.armv8.node
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar.unpacked\node_modules\leveldown\prebuilds\android-arm\node.napi.armv7.node
  • %LOCALAPPDATA%\programs\blitz\resources\overlay\index.js
  • %APPDATA%\blitz\blitz-deps\1.15.51\native-utils.dll
  • %APPDATA%\blitz\gpucache\data_2
  • %LOCALAPPDATA%\programs\blitz\swiftshader\libegl.dll
  • %APPDATA%\blitz\gpucache\data_1
  • %APPDATA%\blitz\gpucache\data_0
  • %APPDATA%\blitz\gpucache\index
  • %APPDATA%\blitz\cache\data_3
  • %APPDATA%\blitz\cache\data_2
  • %APPDATA%\blitz\cache\data_1
  • %APPDATA%\blitz\cache\data_0
  • %APPDATA%\blitz\cache\index
  • %APPDATA%\blitz\fontlookuptablecache\font_unique_name_table.pb
  • %APPDATA%\blitz\app.log
  • %APPDATA%\blitz\crashpad\settings.dat
  • %APPDATA%\blitz\blitz-deps\1.15.51\valorant-internal.dll
  • %APPDATA%\blitz\blitz-deps\1.15.51\safe_x86_injector.exe
  • %APPDATA%\blitz\blitz-deps\1.15.51\safe_x64_injector.exe
  • %LOCALAPPDATA%\programs\blitz\resources\app.asar
  • %APPDATA%\blitz\blitz-deps\1.15.51\pinmanager.exe
  • %APPDATA%\blitz\blitz-deps\1.15.51\lor-overlay.dll
  • %APPDATA%\blitz\blitz-deps\1.15.51\index.node
  • %APPDATA%\blitz\blitz-deps\1.15.51\fortnite-internal.dll
  • %APPDATA%\blitz\blitz-deps\1.15.51\electron_overlay.node
  • %APPDATA%\blitz\blitz-deps\1.15.51\blitz_core.node
  • %APPDATA%\blitz\blitz-deps\1.15.51\blitz-overlay.dll
  • %HOMEPATH%\desktop\blitz.lnk
  • %TEMP%\nsq7a1f.tmp\winshell.dll
  • %APPDATA%\microsoft\windows\start menu\programs\blitz.lnk
  • %LOCALAPPDATA%\programs\blitz\uninstall blitz.exe
  • %LOCALAPPDATA%\blitz-updater\installer.exe
  • %LOCALAPPDATA%\programs\blitz\vulkan-1.dll
  • %LOCALAPPDATA%\programs\blitz\vk_swiftshader.dll
  • %LOCALAPPDATA%\programs\blitz\swiftshader\libglesv2.dll
  • %LOCALAPPDATA%\programs\blitz\resources\binaries\valorant-internal.dll
  • %LOCALAPPDATA%\programs\blitz\resources\elevate.exe
  • %LOCALAPPDATA%\programs\blitz\resources\app-update.yml
  • %LOCALAPPDATA%\programs\blitz\locales\hr.pak
  • %LOCALAPPDATA%\programs\blitz\locales\gu.pak
  • %LOCALAPPDATA%\programs\blitz\locales\fr.pak
  • %LOCALAPPDATA%\programs\blitz\locales\fil.pak
  • %LOCALAPPDATA%\programs\blitz\locales\fi.pak
  • %LOCALAPPDATA%\programs\blitz\locales\fa.pak
  • %LOCALAPPDATA%\programs\blitz\locales\et.pak
  • %LOCALAPPDATA%\programs\blitz\locales\es.pak
  • %LOCALAPPDATA%\programs\blitz\locales\es-419.pak
  • %LOCALAPPDATA%\programs\blitz\locales\en-us.pak
  • %LOCALAPPDATA%\programs\blitz\locales\en-gb.pak
  • %LOCALAPPDATA%\programs\blitz\locales\el.pak
  • %LOCALAPPDATA%\programs\blitz\locales\de.pak
  • %LOCALAPPDATA%\programs\blitz\locales\da.pak
  • %LOCALAPPDATA%\programs\blitz\locales\cs.pak
  • %LOCALAPPDATA%\programs\blitz\locales\he.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ca.pak
  • %LOCALAPPDATA%\programs\blitz\locales\bg.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ar.pak
  • %LOCALAPPDATA%\programs\blitz\locales\am.pak
  • %LOCALAPPDATA%\programs\blitz\licenses.chromium.html
  • %LOCALAPPDATA%\programs\blitz\license.electron.txt
  • %LOCALAPPDATA%\programs\blitz\icudtl.dat
  • %LOCALAPPDATA%\programs\blitz\chrome_200_percent.pak
  • %LOCALAPPDATA%\programs\blitz\chrome_100_percent.pak
  • %TEMP%\nsq7a1f.tmp\nsis7z.dll
  • %TEMP%\nsq7a1f.tmp\app-32.7z
  • %TEMP%\nsq7a1f.tmp\spiderbanner.dll
  • %TEMP%\nsq7a1f.tmp\nsexec.dll
  • %TEMP%\nsq7a1f.tmp\nsprocess.dll
  • %TEMP%\nsq7a1f.tmp\stdutils.dll
  • %LOCALAPPDATA%\programs\blitz\locales\bn.pak
  • %LOCALAPPDATA%\programs\blitz\locales\pt-pt.pak
  • %LOCALAPPDATA%\programs\blitz\resources.pak
  • %LOCALAPPDATA%\programs\blitz\locales\hu.pak
  • %LOCALAPPDATA%\programs\blitz\locales\zh-tw.pak
  • %LOCALAPPDATA%\programs\blitz\locales\zh-cn.pak
  • %LOCALAPPDATA%\programs\blitz\locales\vi.pak
  • %LOCALAPPDATA%\programs\blitz\locales\uk.pak
  • %LOCALAPPDATA%\programs\blitz\locales\tr.pak
  • %LOCALAPPDATA%\programs\blitz\locales\th.pak
  • %LOCALAPPDATA%\programs\blitz\locales\te.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ta.pak
  • %LOCALAPPDATA%\programs\blitz\locales\sw.pak
  • %LOCALAPPDATA%\programs\blitz\locales\sv.pak
  • %LOCALAPPDATA%\programs\blitz\locales\sr.pak
  • %LOCALAPPDATA%\programs\blitz\locales\sl.pak
  • %LOCALAPPDATA%\programs\blitz\locales\sk.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ru.pak
  • %LOCALAPPDATA%\programs\blitz\resources\.env.production
  • %LOCALAPPDATA%\programs\blitz\locales\ro.pak
  • %LOCALAPPDATA%\programs\blitz\locales\pt-br.pak
  • %LOCALAPPDATA%\programs\blitz\locales\pl.pak
  • %LOCALAPPDATA%\programs\blitz\locales\nl.pak
  • %LOCALAPPDATA%\programs\blitz\locales\nb.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ms.pak
  • %LOCALAPPDATA%\programs\blitz\locales\mr.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ml.pak
  • %LOCALAPPDATA%\programs\blitz\locales\lv.pak
  • %LOCALAPPDATA%\programs\blitz\locales\lt.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ko.pak
  • %LOCALAPPDATA%\programs\blitz\locales\kn.pak
  • %LOCALAPPDATA%\programs\blitz\locales\ja.pak
  • %LOCALAPPDATA%\programs\blitz\locales\it.pak
  • %LOCALAPPDATA%\programs\blitz\locales\id.pak
  • %LOCALAPPDATA%\programs\blitz\locales\hi.pak
  • %APPDATA%\blitz\gpucache\data_3
Deletes the following files
  • %TEMP%\nsq7a1f.tmp\app-32.7z
  • %TEMP%\nsq7a1f.tmp\nsexec.dll
  • %TEMP%\nsq7a1f.tmp\nsis7z.dll
  • %TEMP%\nsq7a1f.tmp\nsprocess.dll
  • %TEMP%\nsq7a1f.tmp\spiderbanner.dll
  • %TEMP%\nsq7a1f.tmp\stdutils.dll
  • %TEMP%\nsq7a1f.tmp\system.dll
  • %TEMP%\nsq7a1f.tmp\winshell.dll
Network activity
Connects to
  • 'ut###.iesdev.com':443
TCP
Other
  • 'ut###.iesdev.com':443
UDP
  • DNS ASK ut###.iesdev.com
Miscellaneous
Searches for the following windows
  • ClassName: '#32770' WindowName: ''
  • ClassName: 'Chrome_MessageWindow' WindowName: '%APPDATA%\Blitz'
Creates and executes the following
  • '%LOCALAPPDATA%\programs\blitz\blitz.exe'
  • '%LOCALAPPDATA%\programs\blitz\blitz.exe' --type=crashpad-handler --user-data-dir=%APPDATA%\Blitz /prefetch:7 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=%APPDATA%\Blitz\Crashpad --url=https://sentry.bli...
  • '%LOCALAPPDATA%\programs\blitz\blitz.exe' --type=gpu-process --field-trial-handle=1296,8384702209006169437,7309475050795889032,131072 --disable-features=HardwareMediaKeyHandling,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnly...
  • '%LOCALAPPDATA%\programs\blitz\blitz.exe' --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1296,8384702209006169437,7309475050795889032,131072 --disable-features=HardwareMediaKeyHandling,SpareRenderer...
  • '%LOCALAPPDATA%\programs\blitz\blitz.exe' --type=renderer --user-data-dir="%APPDATA%\Blitz" --enable-sandbox --app-user-model-id=com.blitz.app --app-path="%LOCALAPPDATA%\Programs\Blitz\resources\app.asar" --enable-sandbox --disable-bli...
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "chcp"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "echo %COMPUTERNAME%.%USERDNSDOMAIN%"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe path win32_VideoController get /value"' (with hidden window)
  • '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe path win32_desktopmonitor get /value"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe os get /value"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "reg query "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0" /v FeatureSet"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe cpu get /value"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe path Win32_CacheMemory get CacheType,InstalledSize,Purpose"' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "findstr /C:"Detected boot environment" "%windir%\Panther\setupact.log""' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "chcp"
  • '%WINDIR%\syswow64\wbem\wmic.exe' path Win32_CacheMemory get CacheType,InstalledSize,Purpose
  • '%WINDIR%\syswow64\wbem\wmic.exe' cpu get /value
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe path Win32_CacheMemory get CacheType,InstalledSize,Purpose"
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe cpu get /value"
  • '%WINDIR%\syswow64\reg.exe' query "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0" /v FeatureSet
  • '%WINDIR%\syswow64\wbem\wmic.exe' os get /value
  • '%WINDIR%\syswow64\wbem\wmic.exe' path win32_desktopmonitor get /value
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "findstr /C:"Detected boot environment" "%windir%\Panther\setupact.log""
  • '%WINDIR%\syswow64\wbem\wmic.exe' path win32_VideoController get /value
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "reg query "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0" /v FeatureSet"
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe os get /value"
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe path win32_desktopmonitor get /value"
  • '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "<SYSTEM32>\chcp.com 65001 | <SYSTEM32>\wbem\wmic.exe path win32_VideoController get /value"
  • '%WINDIR%\syswow64\cmd.exe' /d /s /c "echo %COMPUTERNAME%.%USERDNSDOMAIN%"
  • '%WINDIR%\syswow64\chcp.com'
  • '%WINDIR%\syswow64\chcp.com' 65001
  • '%WINDIR%\syswow64\findstr.exe' /C:"Detected boot environment" "%WINDIR%\Panther\setupact.log"

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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  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.

Find out more about Dr.Web for Android