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Trojan.Encoder.37958

Added to the Dr.Web virus database: 2023-09-11

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following files on removable media
  • <Drive name for removable media>:\readme.txt
  • <Drive name for removable media>:\correct.avi
Modifies file system
Creates the following files
  • C:\readme.txt
  • %ProgramFiles(x86)%\microsoft analysis services\readme.txt
  • %ProgramFiles(x86)%\microsoft office\readme.txt
  • %ProgramFiles(x86)%\microsoft visual studio 8\readme.txt
  • %ProgramFiles(x86)%\microsoft.net\readme.txt
  • %ProgramFiles(x86)%\mozilla firefox\readme.txt
  • %ProgramFiles(x86)%\msbuild\readme.txt
  • %ProgramFiles(x86)%\opera\readme.txt
  • %ProgramFiles(x86)%\reference assemblies\readme.txt
  • %ProgramFiles(x86)%\steam\readme.txt
  • %ProgramFiles%\dvd maker\readme.txt
  • %ProgramFiles(x86)%\uninstall information\readme.txt
  • %ALLUSERSPROFILE%\microsoft\readme.txt
  • %ALLUSERSPROFILE%\microsoft help\readme.txt
  • %ALLUSERSPROFILE%\mozilla\readme.txt
  • %ALLUSERSPROFILE%\oracle\readme.txt
  • %ALLUSERSPROFILE%\package cache\readme.txt
  • %ALLUSERSPROFILE%\sun\readme.txt
  • C:\recovery\fc7d0508-3f8d-11ed-bf82-c9aa0b5639b5\readme.txt
  • C:\users\default\readme.txt
  • C:\users\public\readme.txt
  • %CommonProgramFiles(x86)%\readme.txt
  • %ProgramFiles(x86)%\internet explorer\readme.txt
  • %ProgramFiles(x86)%\adobe\readme.txt
  • %ProgramFiles%\uninstall information\readme.txt
  • %ProgramFiles%\reference assemblies\readme.txt
  • D:\readme.txt
  • C:\msocache\readme.txt
  • <Current directory>\readme.txt
  • %ProgramFiles%\readme.txt
  • %ProgramFiles(x86)%\readme.txt
  • %ALLUSERSPROFILE%\readme.txt
  • C:\recovery\readme.txt
  • C:\users\readme.txt
  • C:\msocache\all users\readme.txt
  • %HOMEPATH%\readme.txt
  • %ALLUSERSPROFILE%\adobe\readme.txt
  • %CommonProgramFiles%\readme.txt
  • %ProgramFiles%\java\readme.txt
  • %ProgramFiles%\microsoft analysis services\readme.txt
  • %ProgramFiles%\microsoft office\readme.txt
  • %ProgramFiles%\microsoft sql server compact edition\readme.txt
  • %ProgramFiles%\microsoft sync framework\readme.txt
  • %ProgramFiles%\microsoft synchronization services\readme.txt
  • %ProgramFiles%\mozilla firefox\readme.txt
  • %ProgramFiles%\mozilla thunderbird\readme.txt
  • %ProgramFiles%\msbuild\readme.txt
  • C:\kms\readme.txt
  • %ProgramFiles%\internet explorer\readme.txt
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\readme.txt
Moves the following files
  • from %ProgramFiles%\desktop.ini to %ProgramFiles%\desktop.ini.exten
  • from %ProgramFiles%\mozilla thunderbird\updater.ini to %ProgramFiles%\mozilla thunderbird\updater.ini.exten
  • from %ProgramFiles%\winrar\default.sfx to %ProgramFiles%\winrar\default.sfx.exten
  • from %ProgramFiles%\winrar\default64.sfx to %ProgramFiles%\winrar\default64.sfx.exten
  • from %ProgramFiles%\winrar\descript.ion to %ProgramFiles%\winrar\descript.ion.exten
  • from %ProgramFiles%\winrar\license.txt to %ProgramFiles%\winrar\license.txt.exten
  • from %ProgramFiles%\winrar\order.htm to %ProgramFiles%\winrar\order.htm.exten
  • from %ProgramFiles%\winrar\rar.txt to %ProgramFiles%\winrar\rar.txt.exten
  • from %ProgramFiles%\winrar\rarfiles.lst to %ProgramFiles%\winrar\rarfiles.lst.exten
  • from %ProgramFiles%\winrar\rarnew.dat to %ProgramFiles%\winrar\rarnew.dat.exten
  • from %ProgramFiles%\winrar\whatsnew.txt to %ProgramFiles%\winrar\whatsnew.txt.exten
  • from %ProgramFiles(x86)%\opera\launcher.visualelementsmanifest.xml to %ProgramFiles(x86)%\opera\launcher.visualelementsmanifest.xml.exten
  • from %ProgramFiles%\winrar\wincon.sfx to %ProgramFiles%\winrar\wincon.sfx.exten
  • from %ProgramFiles%\winrar\wincon64.sfx to %ProgramFiles%\winrar\wincon64.sfx.exten
  • from %ProgramFiles%\winrar\winrar.chm to %ProgramFiles%\winrar\winrar.chm.exten
  • from %ProgramFiles%\winrar\zip.sfx to %ProgramFiles%\winrar\zip.sfx.exten
  • from %ProgramFiles%\winrar\zip64.sfx to %ProgramFiles%\winrar\zip64.sfx.exten
  • from %ProgramFiles%\winrar\zipnew.dat to %ProgramFiles%\winrar\zipnew.dat.exten
  • from %ProgramFiles(x86)%\msbuild\microsoft.office.infopath.targets to %ProgramFiles(x86)%\msbuild\microsoft.office.infopath.targets.exten
  • from %ProgramFiles(x86)%\opera\installation_status.xml to %ProgramFiles(x86)%\opera\installation_status.xml.exten
  • from %ProgramFiles(x86)%\opera\installer_prefs.json to %ProgramFiles(x86)%\opera\installer_prefs.json.exten
  • from %ProgramFiles%\mozilla thunderbird\update-settings.ini to %ProgramFiles%\mozilla thunderbird\update-settings.ini.exten
  • from %ProgramFiles%\winrar\uninstall.lst to %ProgramFiles%\winrar\uninstall.lst.exten
  • from %ProgramFiles%\mozilla thunderbird\thunderbird.visualelementsmanifest.xml to %ProgramFiles%\mozilla thunderbird\thunderbird.visualelementsmanifest.xml.exten
  • from %ProgramFiles%\mozilla firefox\precomplete to %ProgramFiles%\mozilla firefox\precomplete.exten
  • from %ProgramFiles(x86)%\desktop.ini to %ProgramFiles(x86)%\desktop.ini.exten
  • from %ProgramFiles%\mozilla firefox\accessible.tlb to %ProgramFiles%\mozilla firefox\accessible.tlb.exten
  • from %ProgramFiles%\mozilla firefox\application.ini to %ProgramFiles%\mozilla firefox\application.ini.exten
  • from %ProgramFiles%\mozilla firefox\crashreporter.ini to %ProgramFiles%\mozilla firefox\crashreporter.ini.exten
  • from %ProgramFiles%\mozilla firefox\dependentlibs.list to %ProgramFiles%\mozilla firefox\dependentlibs.list.exten
  • from %ProgramFiles%\mozilla firefox\firefox.visualelementsmanifest.xml to %ProgramFiles%\mozilla firefox\firefox.visualelementsmanifest.xml.exten
  • from %ProgramFiles%\mozilla firefox\install.log to %ProgramFiles%\mozilla firefox\install.log.exten
  • from %ProgramFiles%\mozilla firefox\omni.ja to %ProgramFiles%\mozilla firefox\omni.ja.exten
  • from %ProgramFiles%\mozilla firefox\platform.ini to %ProgramFiles%\mozilla firefox\platform.ini.exten
  • from %ProgramFiles%\mozilla firefox\removed-files to %ProgramFiles%\mozilla firefox\removed-files.exten
  • from %ProgramFiles%\mozilla thunderbird\precomplete to %ProgramFiles%\mozilla thunderbird\precomplete.exten
  • from %ProgramFiles%\mozilla firefox\update-settings.ini to %ProgramFiles%\mozilla firefox\update-settings.ini.exten
  • from %ProgramFiles%\mozilla firefox\updater.ini to %ProgramFiles%\mozilla firefox\updater.ini.exten
  • from %ProgramFiles%\mozilla thunderbird\accessible.tlb to %ProgramFiles%\mozilla thunderbird\accessible.tlb.exten
  • from %ProgramFiles%\mozilla thunderbird\application.ini to %ProgramFiles%\mozilla thunderbird\application.ini.exten
  • from %ProgramFiles%\mozilla thunderbird\crashreporter.ini to %ProgramFiles%\mozilla thunderbird\crashreporter.ini.exten
  • from %ProgramFiles%\mozilla thunderbird\dependentlibs.list to %ProgramFiles%\mozilla thunderbird\dependentlibs.list.exten
  • from %ProgramFiles%\mozilla thunderbird\install.log to %ProgramFiles%\mozilla thunderbird\install.log.exten
  • from %ProgramFiles%\mozilla thunderbird\omni.ja to %ProgramFiles%\mozilla thunderbird\omni.ja.exten
  • from %ProgramFiles%\mozilla thunderbird\platform.ini to %ProgramFiles%\mozilla thunderbird\platform.ini.exten
  • from %ProgramFiles%\mozilla thunderbird\removed-files to %ProgramFiles%\mozilla thunderbird\removed-files.exten
  • from %ProgramFiles(x86)%\opera\resources.pri to %ProgramFiles(x86)%\opera\resources.pri.exten
Modifies the following files
  • C:\kms\kms_vl_all_aio.cmd
  • %ProgramFiles%\mozilla thunderbird\removed-files
  • %ProgramFiles%\mozilla thunderbird\precomplete
  • %ProgramFiles%\mozilla thunderbird\platform.ini
  • %ProgramFiles%\mozilla thunderbird\omni.ja
  • %ProgramFiles%\mozilla thunderbird\install.log
  • %ProgramFiles%\mozilla thunderbird\dependentlibs.list
  • %ProgramFiles%\mozilla thunderbird\crashreporter.ini
  • %ProgramFiles%\mozilla thunderbird\application.ini
  • %ProgramFiles%\mozilla thunderbird\accessible.tlb
  • %ProgramFiles%\mozilla firefox\updater.ini
  • %ProgramFiles%\mozilla firefox\update-settings.ini
  • %ProgramFiles%\mozilla firefox\removed-files
  • %ProgramFiles%\mozilla firefox\precomplete
  • %ProgramFiles%\mozilla firefox\platform.ini
  • %ProgramFiles%\mozilla firefox\omni.ja
  • %ProgramFiles%\mozilla firefox\install.log
  • %ProgramFiles%\mozilla firefox\firefox.visualelementsmanifest.xml
  • %ProgramFiles%\mozilla firefox\dependentlibs.list
  • %ProgramFiles%\mozilla firefox\crashreporter.ini
  • %ProgramFiles%\mozilla firefox\application.ini
  • %ProgramFiles%\mozilla firefox\accessible.tlb
  • C:\users\desktop.ini
  • <Drive name for removable media>:\correct.avi
  • %ProgramFiles(x86)%\desktop.ini
  • %ProgramFiles%\desktop.ini
  • D:\install.log
  • C:\kms\kms_vl_all_aio_debug.log
  • %ProgramFiles%\mozilla thunderbird\thunderbird.visualelementsmanifest.xml
  • %ProgramFiles%\mozilla thunderbird\update-settings.ini
Modifies multiple files.
Changes user data files extensions (Trojan.Encoder).
Network activity
Connects to
  • '<LOCALNET>.52.0':445
  • '<LOCALNET>.52.161':445
  • '<LOCALNET>.52.162':445
  • '<LOCALNET>.52.163':445
  • '<LOCALNET>.52.164':445
  • '<LOCALNET>.52.165':445
  • '<LOCALNET>.52.166':445
  • '<LOCALNET>.52.167':445
  • '<LOCALNET>.52.168':445
  • '<LOCALNET>.52.169':445
  • '<LOCALNET>.52.170':445
  • '<LOCALNET>.52.171':445
  • '<LOCALNET>.52.172':445
  • '<LOCALNET>.52.173':445
  • '<LOCALNET>.52.175':445
  • '<LOCALNET>.52.189':445
  • '<LOCALNET>.52.176':445
  • '<LOCALNET>.52.177':445
  • '<LOCALNET>.52.178':445
  • '<LOCALNET>.52.179':445
  • '<LOCALNET>.52.180':445
  • '<LOCALNET>.52.181':445
  • '<LOCALNET>.52.182':445
  • '<LOCALNET>.52.183':445
  • '<LOCALNET>.52.184':445
  • '<LOCALNET>.52.185':445
  • '<LOCALNET>.52.186':445
  • '<LOCALNET>.52.187':445
  • '<LOCALNET>.52.188':445
  • '<LOCALNET>.52.160':445
  • '<LOCALNET>.52.174':445
  • '<LOCALNET>.52.159':445
  • '<LOCALNET>.52.142':445
  • '<LOCALNET>.52.129':445
  • '<LOCALNET>.52.130':445
  • '<LOCALNET>.52.131':445
  • '<LOCALNET>.52.132':445
  • '<LOCALNET>.52.133':445
  • '<LOCALNET>.52.134':445
  • '<LOCALNET>.52.135':445
  • '<LOCALNET>.52.136':445
  • '<LOCALNET>.52.137':445
  • '<LOCALNET>.52.138':445
  • '<LOCALNET>.52.139':445
  • '<LOCALNET>.52.140':445
  • '<LOCALNET>.52.141':445
  • '<LOCALNET>.52.143':445
  • '<LOCALNET>.52.157':445
  • '<LOCALNET>.52.144':445
  • '<LOCALNET>.52.145':445
  • '<LOCALNET>.52.146':445
  • '<LOCALNET>.52.147':445
  • '<LOCALNET>.52.148':445
  • '<LOCALNET>.52.149':445
  • '<LOCALNET>.52.150':445
  • '<LOCALNET>.52.151':445
  • '<LOCALNET>.52.152':445
  • '<LOCALNET>.52.153':445
  • '<LOCALNET>.52.154':445
  • '<LOCALNET>.52.155':445
  • '<LOCALNET>.52.156':445
  • '<LOCALNET>.52.158':445
  • '<LOCALNET>.52.207':445
  • '<LOCALNET>.52.253':445
  • '<LOCALNET>.52.192':445
  • '<LOCALNET>.52.225':445
  • '<LOCALNET>.52.226':445
  • '<LOCALNET>.52.227':445
  • '<LOCALNET>.52.228':445
  • '<LOCALNET>.52.229':445
  • '<LOCALNET>.52.230':445
  • '<LOCALNET>.52.231':445
  • '<LOCALNET>.52.232':445
  • '<LOCALNET>.52.233':445
  • '<LOCALNET>.52.234':445
  • '<LOCALNET>.52.235':445
  • '<LOCALNET>.52.236':445
  • '<LOCALNET>.52.237':445
  • '<LOCALNET>.52.239':445
  • '<LOCALNET>.52.191':445
  • '<LOCALNET>.52.240':445
  • '<LOCALNET>.52.241':445
  • '<LOCALNET>.52.242':445
  • '<LOCALNET>.52.243':445
  • '<LOCALNET>.52.244':445
  • '<LOCALNET>.52.245':445
  • '<LOCALNET>.52.246':445
  • '<LOCALNET>.52.247':445
  • '<LOCALNET>.52.248':445
  • '<LOCALNET>.52.249':445
  • '<LOCALNET>.52.250':445
  • '<LOCALNET>.52.251':445
  • '<LOCALNET>.52.252':445
  • '<LOCALNET>.52.224':445
  • '<LOCALNET>.52.128':445
  • '<LOCALNET>.52.223':445
  • '<LOCALNET>.52.206':445
  • '<LOCALNET>.52.193':445
  • '<LOCALNET>.52.194':445
  • '<LOCALNET>.52.195':445
  • '<LOCALNET>.52.196':445
  • '<LOCALNET>.52.197':445
  • '<LOCALNET>.52.198':445
  • '<LOCALNET>.52.199':445
  • '<LOCALNET>.52.200':445
  • '<LOCALNET>.52.201':445
  • '<LOCALNET>.52.202':445
  • '<LOCALNET>.52.203':445
  • '<LOCALNET>.52.204':445
  • '<LOCALNET>.52.205':445
  • '<LOCALNET>.52.190':445
  • '<LOCALNET>.52.221':445
  • '<LOCALNET>.52.208':445
  • '<LOCALNET>.52.209':445
  • '<LOCALNET>.52.210':445
  • '<LOCALNET>.52.211':445
  • '<LOCALNET>.52.212':445
  • '<LOCALNET>.52.213':445
  • '<LOCALNET>.52.214':445
  • '<LOCALNET>.52.215':445
  • '<LOCALNET>.52.216':445
  • '<LOCALNET>.52.217':445
  • '<LOCALNET>.52.218':445
  • '<LOCALNET>.52.219':445
  • '<LOCALNET>.52.220':445
  • '<LOCALNET>.52.222':445
  • '<LOCALNET>.52.238':445
  • '<LOCALNET>.52.127':445
  • '<LOCALNET>.52.110':445
  • '<LOCALNET>.52.33':445
  • '<LOCALNET>.52.34':445
  • '<LOCALNET>.52.35':445
  • '<LOCALNET>.52.36':445
  • '<LOCALNET>.52.37':445
  • '<LOCALNET>.52.38':445
  • '<LOCALNET>.52.39':445
  • '<LOCALNET>.52.40':445
  • '<LOCALNET>.52.41':445
  • '<LOCALNET>.52.42':445
  • '<LOCALNET>.52.43':445
  • '<LOCALNET>.52.44':445
  • '<LOCALNET>.52.45':445
  • '<LOCALNET>.52.47':445
  • '<LOCALNET>.52.61':445
  • '<LOCALNET>.52.48':445
  • '<LOCALNET>.52.49':445
  • '<LOCALNET>.52.50':445
  • '<LOCALNET>.52.51':445
  • '<LOCALNET>.52.52':445
  • '<LOCALNET>.52.53':445
  • '<LOCALNET>.52.54':445
  • '<LOCALNET>.52.55':445
  • '<LOCALNET>.52.56':445
  • '<LOCALNET>.52.57':445
  • '<LOCALNET>.52.58':445
  • '<LOCALNET>.52.59':445
  • '<LOCALNET>.52.60':445
  • '<LOCALNET>.52.32':445
  • '<LOCALNET>.52.46':445
  • '<LOCALNET>.52.31':445
  • '<LOCALNET>.52.14':445
  • '<LOCALNET>.52.1':445
  • '<LOCALNET>.52.2':445
  • '<LOCALNET>.52.3':445
  • '<LOCALNET>.52.4':445
  • '<LOCALNET>.52.5':445
  • '<LOCALNET>.52.6':445
  • '<LOCALNET>.52.7':445
  • '<LOCALNET>.52.8':445
  • '<LOCALNET>.52.9':445
  • '<LOCALNET>.52.10':445
  • '<LOCALNET>.52.11':445
  • '<LOCALNET>.52.12':445
  • '<LOCALNET>.52.13':445
  • '<LOCALNET>.52.15':445
  • '<LOCALNET>.52.29':445
  • '<LOCALNET>.52.16':445
  • '<LOCALNET>.52.17':445
  • '<LOCALNET>.52.18':445
  • '<LOCALNET>.52.19':445
  • '<LOCALNET>.52.20':445
  • '<LOCALNET>.52.21':445
  • '<LOCALNET>.52.22':445
  • '<LOCALNET>.52.23':445
  • '<LOCALNET>.52.24':445
  • '<LOCALNET>.52.25':445
  • '<LOCALNET>.52.26':445
  • '<LOCALNET>.52.27':445
  • '<LOCALNET>.52.28':445
  • '<LOCALNET>.52.30':445
  • '<LOCALNET>.52.79':445
  • '<LOCALNET>.52.125':445
  • '<LOCALNET>.52.64':445
  • '<LOCALNET>.52.97':445
  • '<LOCALNET>.52.98':445
  • '<LOCALNET>.52.99':445
  • '<LOCALNET>.52.100':445
  • '<LOCALNET>.52.101':445
  • '<LOCALNET>.52.102':445
  • '<LOCALNET>.52.103':445
  • '<LOCALNET>.52.104':445
  • '<LOCALNET>.52.105':445
  • '<LOCALNET>.52.106':445
  • '<LOCALNET>.52.107':445
  • '<LOCALNET>.52.108':445
  • '<LOCALNET>.52.109':445
  • '<LOCALNET>.52.111':445
  • '<LOCALNET>.52.63':445
  • '<LOCALNET>.52.112':445
  • '<LOCALNET>.52.113':445
  • '<LOCALNET>.52.114':445
  • '<LOCALNET>.52.115':445
  • '<LOCALNET>.52.116':445
  • '<LOCALNET>.52.117':445
  • '<LOCALNET>.52.118':445
  • '<LOCALNET>.52.119':445
  • '<LOCALNET>.52.120':445
  • '<LOCALNET>.52.121':445
  • '<LOCALNET>.52.122':445
  • '<LOCALNET>.52.123':445
  • '<LOCALNET>.52.124':445
  • '<LOCALNET>.52.96':445
  • '<LOCALNET>.52.126':445
  • '<LOCALNET>.52.95':445
  • '<LOCALNET>.52.78':445
  • '<LOCALNET>.52.65':445
  • '<LOCALNET>.52.66':445
  • '<LOCALNET>.52.67':445
  • '<LOCALNET>.52.68':445
  • '<LOCALNET>.52.69':445
  • '<LOCALNET>.52.70':445
  • '<LOCALNET>.52.71':445
  • '<LOCALNET>.52.72':445
  • '<LOCALNET>.52.73':445
  • '<LOCALNET>.52.74':445
  • '<LOCALNET>.52.75':445
  • '<LOCALNET>.52.76':445
  • '<LOCALNET>.52.77':445
  • '<LOCALNET>.52.62':445
  • '<LOCALNET>.52.93':445
  • '<LOCALNET>.52.80':445
  • '<LOCALNET>.52.81':445
  • '<LOCALNET>.52.82':445
  • '<LOCALNET>.52.83':445
  • '<LOCALNET>.52.84':445
  • '<LOCALNET>.52.85':445
  • '<LOCALNET>.52.86':445
  • '<LOCALNET>.52.87':445
  • '<LOCALNET>.52.88':445
  • '<LOCALNET>.52.89':445
  • '<LOCALNET>.52.90':445
  • '<LOCALNET>.52.91':445
  • '<LOCALNET>.52.92':445
  • '<LOCALNET>.52.94':445
  • '<LOCALNET>.52.254':445

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.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

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