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Profil

Trojan.Encoder.38848

Added to the Dr.Web virus database: 2024-04-26

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • %TEMP%\temp.txt
Malicious functions
Reads files which store third party applications passwords
  • %HOMEPATH%\desktop\aoc_saq_d_v3_merchant.docx
  • %HOMEPATH%\desktop\thlps_keeper_mayer_1965.docx
  • %HOMEPATH%\desktop\testee.cer
  • %HOMEPATH%\desktop\split.avi
  • %HOMEPATH%\desktop\sdszfo.docx
  • %HOMEPATH%\desktop\sdksampleunprivdeveloper.cer
  • %HOMEPATH%\desktop\sdksampleprivdeveloper.cer
  • %HOMEPATH%\desktop\sdkfailsafeemulator.cer
  • %HOMEPATH%\desktop\ovp25012015.doc
  • %HOMEPATH%\desktop\nwfieldnotes1966.docx
  • %HOMEPATH%\desktop\hanni_umami_chapter.doc
  • %HOMEPATH%\desktop\hadac_newsletter_july_2010_final.docx
  • %HOMEPATH%\desktop\february_catalogue__2015.doc
  • %HOMEPATH%\desktop\dashborder_192.bmp
  • %HOMEPATH%\desktop\cveuropeo.doc
  • %HOMEPATH%\desktop\contosoroot.cer
  • %HOMEPATH%\desktop\coffee.bmp
  • %HOMEPATH%\desktop\applicantform_en.doc
  • %HOMEPATH%\desktop\toolbar.bmp
  • %APPDATA%\mozilla\firefox\profiles.ini
Modifies file system
Creates the following files
  • %TEMP%\sss.png
  • %TEMP%\show.exe
  • %TEMP%\hide.exe
  • %TEMP%\01.exe
  • %TEMP%\temp.txt
  • %TEMP%\shell.ps1
  • %TEMP%\attck.exe
Moves the following files
  • from %TEMP%\temp.txt to %APPDATA%\microsoft\windows\recent\customdestinations\590aee7bdd69b59b.customdestinations-ms
Modifies the following files
  • %TEMP%\temp.txt
Substitutes the following executable files
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\gmp-widevinecdm\4.10.1582.2\widevinecdm.dll
  • %APPDATA%\Telegram Desktop\Telegram.exe
  • %APPDATA%\Telegram Desktop\unins000.exe
  • %APPDATA%\Telegram Desktop\Updater.exe
Substitutes the following files
  • %HOMEPATH%\Desktop\aoc_saq_d_v3_merchant.docx
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\handlers.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\pkcs11.txt
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\prefs.js
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\saved-telemetry-pings\2a211dea-1f81-457a-9f7c-a174126ff0dd
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\saved-telemetry-pings\71d7d59d-5451-4f15-bb9e-420e88a3061f
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\saved-telemetry-pings\9cd37e15-817f-4044-81be-e43af1dfc595
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\saved-telemetry-pings\dc35f7c9-5b80-4042-a301-e84d8619b27e
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\search.json.mozlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\SecurityPreloadState.txt
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\security_state\data.safe.bin
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\sessionCheckpoints.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\sessionstore-backups\previous.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\sessionstore-backups\recovery.baklz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\sessionstore-backups\recovery.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\sessionstore-backups\upgrade.jsonlz4-20200708170202
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\shield-preference-experiments.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\SiteSecurityServiceState.txt
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\gmp-widevinecdm\4.10.1582.2\widevinecdm.dll.sig
  • %APPDATA%\Mozilla\Firefox\installs.ini
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\gmp-widevinecdm\4.10.1582.2\widevinecdm.dll.lib
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\gmp-widevinecdm\4.10.1582.2\LICENSE.txt
  • %APPDATA%\Mozilla\Firefox\Profiles\m15ucxjx.default\user.js
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\addons.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\addonStartup.json.lz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\AlternateServices.txt
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\bookmarkbackups\bookmarks-2024-04-01_11_w-7ab47BTxTEWDh4A2YEHg==.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\broadcast-listeners.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\compatibility.ini
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\containers.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\crashes\store.json.mozlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\datareporting\archived\2023-09\1694565729016.2a211dea-1f81-457a-9f7c-a174126ff0dd.new-profile.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\datareporting\archived\2023-09\1694565729047.dc35f7c9-5b80-4042-a301-e84d8619b27e.event.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\datareporting\archived\2023-09\1694565729067.9cd37e15-817f-4044-81be-e43af1dfc595.main.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\datareporting\archived\2023-09\1694565729070.71d7d59d-5451-4f15-bb9e-420e88a3061f.first-shutdown.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\datareporting\session-state.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\datareporting\state.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\extension-preferences.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\extensions.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\gmp-widevinecdm\4.10.1582.2\manifest.json
  • %APPDATA%\Mozilla\Firefox\Profiles\m15ucxjx.default\times.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\default\moz-extension+++5fc1ef9c-f7bf-452f-a7ef-92635f5362ce^userContextId=4294967295\.metadata-v2
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\datareporting\archived\2023-09\1694565729925.d8154144-ac52-40e8-b685-b640783b2c0d.main.jsonlz4
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\datareporting\archived\2023-09\1694565729926.199a0618-6d48-4205-858d-6b9a8ba9e913.first-shutdown.jsonlz4
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\datareporting\session-state.json
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\datareporting\state.json
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\directoryTree.json
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\enigmail.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\extension-preferences.json
  • %APPDATA%\Microsoft\Windows\SendTo\Documents.mydocs
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\extensions.json
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\formhistory.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\global-messages-db.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\history.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\openpgp.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\parent.lock
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\permissions.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\pkcs11.txt
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\crashes\store.json.mozlz4
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\datareporting\archived\2023-09\1694565729880.22a456d0-5d02-445b-9603-4fe4b9e5c45c.new-profile.jsonlz4
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\.metadata-v2
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\default\moz-extension+++5fc1ef9c-f7bf-452f-a7ef-92635f5362ce^userContextId=4294967295\idb\3647222921wleabcEoxlt-eengsairo.sql...
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\blist.sqlite
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\idb\2823318777ntouromlalnodry--naod.sqlite
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\idb\2918063365piupsah.sqlite
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\idb\3561288849sdhlie.sqlite
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\times.json
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\TRRBlacklist.txt
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\user.js
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\xulstore.json
  • %APPDATA%\Mozilla\Firefox\profiles.ini
  • %APPDATA%\Thunderbird\Crash Reports\InstallTime20210406220621
  • %APPDATA%\Thunderbird\installs.ini
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\abook.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\addons.json
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\addonStartup.json.lz4
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\AlternateServices.txt
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\compatibility.ini
  • %APPDATA%\Mozilla\Firefox\Profiles\v08trqk6.default-release\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\cookies.sqlite
  • %APPDATA%\Mozilla\Firefox\Crash Reports\InstallTime20200708170202
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\WinRAR\WinRAR help.lnk
  • %HOMEPATH%\Documents\desktop.ini
  • %HOMEPATH%\Searches\desktop.ini
  • %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-3150914307-1777937420-491476919-1000\f58155b4b1d5a524ca0261c3ee99fb50_d99ef00b-ccd3-4f1d-9980-90ac453b0b47
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\desktop.ini
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Google Chrome.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Shows Desktop.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Firefox.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Google Chrome.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Internet Explorer.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Opera.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Windows Explorer.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Windows Media Player.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Window Switcher.lnk
  • %APPDATA%\Microsoft\Protect\CREDHIST
  • %HOMEPATH%\Pictures\desktop.ini
  • %APPDATA%\Microsoft\Protect\S-1-5-21-3150914307-1777937420-491476919-1000\3e7a4b63-cd41-4806-916a-59fd454c04f2
  • %HOMEPATH%\Music\desktop.ini
  • %HOMEPATH%\Desktop\Telegram.lnk
  • %TEMP%\temp.txt
  • %HOMEPATH%\Desktop\applicantform_en.doc
  • %HOMEPATH%\Desktop\coffee.bmp
  • %HOMEPATH%\Desktop\contosoroot.cer
  • %HOMEPATH%\Desktop\cveuropeo.doc
  • %HOMEPATH%\Desktop\dashBorder_192.bmp
  • %HOMEPATH%\Desktop\desktop.ini
  • %HOMEPATH%\Desktop\february_catalogue__2015.doc
  • %HOMEPATH%\Desktop\Google Chrome.lnk
  • %HOMEPATH%\Desktop\hadac_newsletter_july_2010_final.docx
  • %HOMEPATH%\Desktop\hanni_umami_chapter.doc
  • %HOMEPATH%\Desktop\nwfieldnotes1966.docx
  • %HOMEPATH%\Desktop\ovp25012015.doc
  • %HOMEPATH%\Desktop\SDKFailsafeEmulator.cer
  • %HOMEPATH%\Desktop\SDKSamplePrivDeveloper.cer
  • %HOMEPATH%\Desktop\SDKSampleUnprivDeveloper.cer
  • %HOMEPATH%\Desktop\sdszfo.docx
  • %HOMEPATH%\Downloads\desktop.ini
  • %APPDATA%\Microsoft\Protect\S-1-5-21-3150914307-1777937420-491476919-1000\51da22b7-9513-4885-adb9-cd2e72f47f0a
  • %HOMEPATH%\Videos\desktop.ini
  • %APPDATA%\Microsoft\Protect\S-1-5-21-3150914307-1777937420-491476919-1000\Preferred
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\computer.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Internet Explorer (No Add-ons).lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Private Character Editor.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows Explorer.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Google Chrome\Google Chrome.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Internet Explorer (64-bit).lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Internet Explorer.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Maintenance\Help.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Telegram Desktop\Telegram.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Telegram Desktop\Uninstall Telegram.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\WinRAR\Console RAR manual.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\WinRAR\What is new in the latest version.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Run.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Control Panel.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Notepad.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Command Prompt.lnk
  • %APPDATA%\Microsoft\Windows\Libraries\desktop.ini
  • %APPDATA%\Microsoft\Windows\Libraries\Music.library-ms
  • %APPDATA%\Microsoft\Windows\Libraries\Pictures.library-ms
  • %APPDATA%\Microsoft\Windows\Libraries\Videos.library-ms
  • %APPDATA%\Microsoft\Windows\Recent\AutomaticDestinations\1b4dd67f29cb1962.automaticDestinations-ms
  • %APPDATA%\Microsoft\Windows\Recent\desktop.ini
  • %APPDATA%\Microsoft\Windows\SendTo\Compressed (zipped) Folder.ZFSendToTarget
  • %APPDATA%\Microsoft\Windows\SendTo\Desktop (create shortcut).DeskLink
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\places.sqlite
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\favicons.sqlite
  • %APPDATA%\Microsoft\Windows\SendTo\Desktop.ini
  • %APPDATA%\Microsoft\Windows\SendTo\Mail Recipient.MAPIMail
  • %APPDATA%\Microsoft\Windows\Start Menu\desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Ease of Access.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Magnify.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Narrator.lnk
  • %APPDATA%\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\On-Screen Keyboard.lnk
  • %APPDATA%\Microsoft\Windows\Libraries\Documents.library-ms
  • %APPDATA%\Microsoft\Windows\SendTo\Fax Recipient.lnk
  • %APPDATA%\Thunderbird\Profiles\chdgbv82.default-release\prefs.js
Modifies user data files (Trojan.Encoder).
Miscellaneous
Searches for the following windows
  • ClassName: 'EDIT' WindowName: ''
Creates and executes the following
  • '%TEMP%\hide.exe'
  • '%TEMP%\01.exe'
  • '%TEMP%\attck.exe'
Executes the following
  • '<SYSTEM32>\cmd.exe' /c powershell.exe -ExecutionPolicy Bypass -File "shell.ps1"
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -ExecutionPolicy Bypass -File "shell.ps1"

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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Download by serial number

  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