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Trojan.Siggen9.62276

Added to the Dr.Web virus database: 2020-07-27

Virus description added:

Technical Information

To ensure autorun and distribution
Sets the following service settings
  • [<HKLM>\System\CurrentControlSet\Services\8EDAD8E8FEEE] 'Start' = '00000001'
  • [<HKLM>\System\CurrentControlSet\Services\8EDAD8E8FEEE] 'ImagePath' = '%WINDIR%\8EDAD8E8FEEE.sys'
Creates the following services
  • '8EDAD8E8FEEE' %WINDIR%\8EDAD8E8FEEE.sys
Malicious functions
Executes the following
  • '%WINDIR%\syswow64\taskkill.exe' /f /im chrome.exe
  • '%WINDIR%\syswow64\taskkill.exe' /f /im opera.exe
Injects code into
the following system processes:
  • %WINDIR%\syswow64\rundll32.exe
the following user processes:
  • firefox.exe
  • chrome.exe
Reads files which store third party applications passwords
  • %LOCALAPPDATA%\google\chrome\user data\default\login data
  • %LOCALAPPDATA%\google\chrome\user data\default\cookies
  • %APPDATA%\mozilla\firefox\profiles.ini
  • %APPDATA%\opera software\opera stable\login data
  • %LOCALAPPDATA%\google\chrome\user data\default\web data
Modifies file system
Creates the following files
  • %TEMP%\yandex.exe
  • %TEMP%\1595840030572\default\web data
  • %TEMP%\1595840030572\default\history
  • %TEMP%\etilqs_svah975cd7bj5yd
  • %TEMP%\1595840030572\default\web data-journal
  • %TEMP%\etilqs_qj4cxqqjlgt71lx
  • %TEMP%\1595840030572\default\history-journal
  • %TEMP%\1595840030572\default\extension rules\log
  • %TEMP%\1595840030572\default\extension rules\000001.dbtmp
  • %TEMP%\1595840030572\default\extension rules\manifest-000001
  • %TEMP%\1595840035790
  • %TEMP%\1595840030572\default\chromedwritefontcache
  • %TEMP%\1595840030572\safe browsing uws list prefix set
  • %TEMP%\1595840030572\safe browsing uws list
  • %TEMP%\1595840030572\safe browsing inclusion whitelist
  • %TEMP%\etilqs_uvjbgdhknaysm46
  • %TEMP%\1595840030572\safe browsing extension blacklist
  • %TEMP%\1595840030572\safe browsing download whitelist
  • %TEMP%\1595840030572\safe browsing download
  • %TEMP%\1595840030572\safe browsing csd whitelist
  • %TEMP%\1595840030572\safe browsing cookies-journal
  • %TEMP%\1595840030572\safe browsing cookies
  • %TEMP%\1595840030572\safe browsing bloom prefix set
  • %TEMP%\1595840030572\safe browsing bloom
  • %TEMP%\1595840030572\local state
  • %TEMP%\1595840030572\chrome_shutdown_ms.txt
  • %WINDIR%\temp\udd20d3.tmp
  • %WINDIR%\8edad8e8feee.sys
  • %TEMP%\1595840030572\safe browsing ip blacklist
  • %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
  • %TEMP%\1595840030572\default\favicons
  • %TEMP%\1595840030572\default\cache\data_1
  • %TEMP%\1595840030572\default\cache\data_0
  • %TEMP%\1595840030572\default\cache\index
  • %TEMP%\1595840030572\default\login data
  • %TEMP%\scoped_dir_2796_17155\gmail.crx
  • %TEMP%\8407.tmp
  • %TEMP%\scoped_dir_2796_25647\search.crx
  • %TEMP%\83e7.tmp
  • %TEMP%\scoped_dir_2796_25466\youtube.crx
  • %TEMP%\83c6.tmp
  • %TEMP%\scoped_dir_2796_12\drive.crx
  • %TEMP%\83b6.tmp
  • %TEMP%\scoped_dir_2796_14216\docs.crx
  • %LOCALAPPDATA%webdata1595840025556
  • %TEMP%\1595840030572\default\favicons-journal
  • %TEMP%\1595840030572\default\current session
  • %TEMP%\etilqs_f0ihd3bjraepb9m
  • %TEMP%\1595840030572\default\login data-journal
  • %TEMP%\1595840030572\default\network action predictor
  • %TEMP%\1595840030572\default\network action predictor-journal
  • %TEMP%\1595840030572\default\shortcuts
  • %TEMP%\1595840030572\default\shortcuts-journal
  • %TEMP%\1595840030572\default\7f3f.tmp
  • %TEMP%\1595840030572\default\top sites
  • %TEMP%\1595840030572\default\gcm store\log
  • %TEMP%\1595840030572\default\gcm store\000001.dbtmp
  • %TEMP%\etilqs_kfhfunro4oxq1x2
  • %TEMP%\1595840030572\default\top sites-journal
  • %TEMP%\1595840030572\default\visited links
  • %TEMP%\1595840030572\default\gcm store\manifest-000001
  • %LOCALAPPDATA%\web data1595840025556
  • %LOCALAPPDATA%\cookies1595840025556
  • %LOCALAPPDATA%\login data1595840025540
  • %LOCALAPPDATA%\scrsnap\pgort80.dll
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\manifest.json
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\jquery-1.8.3.min.js
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\icon48.png
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\icon.png
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\book.js
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\background.js
  • %LOCALAPPDATA%\cookies1595840018009
  • %LOCALAPPDATA%\crx.json
  • %LOCALAPPDATA%\crx.7z
  • %LOCALAPPDATA%\login data1595840017978
  • %TEMP%\1595840017540
  • %HOMEPATH%\desktop\scrsnap.lnk
  • %TEMP%\1595840030572\default\cache\data_2
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\popup.js
  • %LOCALAPPDATA%\scrsnap\pgodb80.dll
  • %LOCALAPPDATA%\scrsnap\unstall.exe
  • %LOCALAPPDATA%\scrsnap\scrsnap.exe
  • %LOCALAPPDATA%\scrsnap\scrsnap.ini
  • %LOCALAPPDATA%\scrsnap\resource\undo.bmp
  • %LOCALAPPDATA%\scrsnap\resource\text.bmp
  • %LOCALAPPDATA%\scrsnap\resource\save.bmp
  • %LOCALAPPDATA%\scrsnap\resource\header.bmp
  • %LOCALAPPDATA%\scrsnap\resource\copy.bmp
  • %LOCALAPPDATA%\scrsnap\resource\close.bmp
  • %LOCALAPPDATA%\scrsnap\resource\brush.bmp
  • %LOCALAPPDATA%\scrsnap\resource\back.bmp
  • %LOCALAPPDATA%\scrsnap.7z
  • %LOCALAPPDATA%\scrsnap\scrsnap.dll
  • %TEMP%\8386.tmp
  • %TEMP%\1595840018525
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\icon.png
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\background.js
  • %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++ff771a7c-4c05-4875-a89c-953b2d488d89^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++ff771a7c-4c05-4875-a89c-953b2d488d89^usercontextid=4294967295\.metadata-v2
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++dd6a624d-07eb-4b0e-a91c-7604a0421aac^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++dd6a624d-07eb-4b0e-a91c-7604a0421aac^usercontextid=4294967295\.metadata-v2
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++72c19674-7644-459d-bdf4-2c2e802a9afa^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++72c19674-7644-459d-bdf4-2c2e802a9afa^usercontextid=4294967295\.metadata-v2
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++2c732a3f-f8e6-4c7e-9521-0aabf7b5b084^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++2c732a3f-f8e6-4c7e-9521-0aabf7b5b084^usercontextid=4294967295\.metadata-v2
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++2c732a3f-f8e6-4c7e-9521-0aabf7b5b084\idb\61413404gyreekansoem.sqlite
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++2c732a3f-f8e6-4c7e-9521-0aabf7b5b084\.metadata-v2
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++0ed5fd03-9bee-4ece-a33b-9078c4b6eb07^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\book.js
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++0ed5fd03-9bee-4ece-a33b-9078c4b6eb07^usercontextid=4294967295\.metadata-v2
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\popup.html
  • %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
  • %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
  • %LOCALAPPDATA%\cookies1595840020134
  • %LOCALAPPDATA%\login data1595840020087
  • %LOCALAPPDATA%\cookies.sqlite1595840019290-shm
  • %LOCALAPPDATA%\cookies.sqlite1595840019290
  • %TEMP%\1595840018697
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\popup.js
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\popup.html
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\manifest.json
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\jquery-1.8.3.min.js
  • %APPDATA%\opera software\opera stable\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\icon48.png
  • %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\extensions\{e4a8a97b-f2ed-450b-b12d-ee082ba24781}.xpi
  • %TEMP%\1595840030572\default\cache\data_3
Deletes the following files
  • %LOCALAPPDATA%\scrsnap.7z
  • %TEMP%\83c6.tmp
  • %TEMP%\83b6.tmp
  • %TEMP%\8386.tmp
  • %TEMP%\1595840030572\default\7f3f.tmp
  • %TEMP%\1595840030572\chrome_shutdown_ms.txt
  • %TEMP%\1595840035790
  • %WINDIR%\temp\udd20d3.tmp
  • %TEMP%\yandex.exe
  • %LOCALAPPDATA%webdata1595840025556
  • %LOCALAPPDATA%\web data1595840025556
  • %LOCALAPPDATA%\cookies1595840025556
  • %LOCALAPPDATA%\login data1595840025540
  • %TEMP%\1595840018697
  • %LOCALAPPDATA%\cookies1595840020134
  • %LOCALAPPDATA%\login data1595840020087
  • %LOCALAPPDATA%\cookies.sqlite1595840019290
  • %LOCALAPPDATA%\cookies.sqlite1595840019290-shm
  • %TEMP%\1595840018525
  • %TEMP%\1595840017540
  • %LOCALAPPDATA%\crx.7z
  • %LOCALAPPDATA%\cookies1595840018009
  • %LOCALAPPDATA%\crx.json
  • %LOCALAPPDATA%\login data1595840017978
  • %TEMP%\83e7.tmp
  • %TEMP%\8407.tmp
Moves the following files
  • from %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\book.js to %LOCALAPPDATA%\google\chrome\user data\default\extensions\ppdklkhhmipkacoinicojhdajcgmlcfi\1.0.0.0_0\d8yi+hf7rx.js
  • from %TEMP%\1595840030572\default\extension rules\000001.dbtmp to %TEMP%\1595840030572\default\extension rules\current
  • from %TEMP%\1595840030572\default\gcm store\000001.dbtmp to %TEMP%\1595840030572\default\gcm store\current
Substitutes the following files
  • %LOCALAPPDATA%\crx.7z
  • %LOCALAPPDATA%\crx.json
Deletes itself.
Network activity
Connects to
  • 'tr######e.googleapis.com':443
  • 'gs##tic.com':80
TCP
HTTP GET requests
  • http://78#####a3888d197.xyz/info/r
HTTP POST requests
  • http://78#####a3888d197.xyz/info/e
  • http://78#####a3888d197.xyz/info/g
  • http://78#####a3888d197.xyz/info/w
  • 'clients2.google.com':443
  • 'clients4.google.com':443
  • UDP
    • DNS ASK 78#####a3888d197.xyz
    • DNS ASK google.com
    • DNS ASK in####stvideo.com
    • DNS ASK clients2.google.com
    • DNS ASK clients4.google.com
    • DNS ASK tr######e.googleapis.com
    • DNS ASK gs##tic.com
    • DNS ASK clients3.google.com
    Miscellaneous
    Adds a root certificate
    Searches for the following windows
    • ClassName: '' WindowName: ''
    • ClassName: 'Chrome_MessageWindow' WindowName: '%TEMP%\1595840030572'
    • ClassName: 'Chrome_RenderWidgetHostHWND' WindowName: ''
    Creates and executes the following
    • '%TEMP%\yandex.exe' 0011 install5
    • '%TEMP%\yandex.exe' 200 install5
    • '%TEMP%\yandex.exe' 300 install5
    • '%TEMP%\yandex.exe' 0011 install5' (with hidden window)
    • '%TEMP%\yandex.exe' 200 install5' (with hidden window)
    • '%TEMP%\yandex.exe' 300 install5' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "<Full path to file>"' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im chrome.exe' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im opera.exe' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "%TEMP%\Yandex.exe"' (with hidden window)
    Executes the following
    • '%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "<Full path to file>"
    • '%WINDIR%\syswow64\ping.exe' 127.0.0.1 -n 3
    • '%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im chrome.exe
    • '%ProgramFiles(x86)%\mozilla firefox\firefox.exe'
    • '%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im opera.exe
    • '%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "%TEMP%\Yandex.exe"
    • '%WINDIR%\syswow64\rundll32.exe'
    • '%WINDIR%\syswow64\xcopy.exe' "%LOCALAPPDATA%\Google\Chrome\User Data" "%TEMP%\1595840030572\" /e
    • '%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --window-position=0,-5000 --user-data-dir="%TEMP%\1595840030572" http://www.in####stvideo.com/video1.php
    • '%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=gpu-process --channel="2796.0.1138527610\730789045" --user-data-dir="%TEMP%\1595840030572" --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-vendor-id=0x0000 --gpu-de...
    • '%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=renderer --enable-deferred-image-decoding --lang=ru --force-fieldtrials="BackgroundRendererProcesses/Disallow/BrowserBlacklist/Enabled/*CTRequiredForEVTrial/RequirementEnforced/CaptivePo...
    • '%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=renderer --enable-deferred-image-decoding --lang=ru --force-fieldtrials="BackgroundRendererProcesses/Disallow/*BrowserBlacklist/Enabled/*CTRequiredForEVTrial/RequirementEnforced/CaptiveP...

    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.

    Find out more about Dr.Web for Android

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