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Trojan.Encoder.37839

Added to the Dr.Web virus database: 2023-08-15

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following files on removable media
  • <Drive name for removable media>:\how to restore your files.txt
  • <Drive name for removable media>:\middaugh_keynote.pptx
  • <Drive name for removable media>:\waterresourcesag.pptx
  • <Drive name for removable media>:\sdksampleprivdeveloper.cer
  • <Drive name for removable media>:\testcertificate.cer
  • <Drive name for removable media>:\contoso.cer
  • <Drive name for removable media>:\sdksampleunprivdeveloper.cer
  • <Drive name for removable media>:\contoso_1.cer
  • <Drive name for removable media>:\sdkfailsafeemulator.cer
  • <Drive name for removable media>:\stoc13_ml_quoc_le.pptx
  • <Drive name for removable media>:\dashborder_192.bmp
  • <Drive name for removable media>:\dialmap.bmp
  • <Drive name for removable media>:\dial.bmp
  • <Drive name for removable media>:\dashborder_120.bmp
  • <Drive name for removable media>:\default.bmp
  • <Drive name for removable media>:\join.avi
  • <Drive name for removable media>:\split.avi
  • <Drive name for removable media>:\000814251_video_01.avi
  • <Drive name for removable media>:\delete.avi
  • <Drive name for removable media>:\toolbar.bmp
  • <Drive name for removable media>:\indogerman2010.pptx
Malicious functions
Injects code into
the following system processes:
  • %WINDIR%\syswow64\cmd.exe
the following user processes:
  • mfc140u.exe
Terminates or attempts to terminate
the following user processes:
  • firefox.exe
Reads files which store third party applications passwords
  • %HOMEPATH%\desktop\aoc_saq_d_v3_merchant.docx
  • %HOMEPATH%\desktop\testee.cer
  • %HOMEPATH%\desktop\sdkfailsafeemulator.cer
  • %HOMEPATH%\desktop\testcertificate.cer
  • %HOMEPATH%\desktop\ovp25012015.doc
  • %HOMEPATH%\desktop\nwfieldnotes1966.docx
  • %HOMEPATH%\desktop\hadac_newsletter_july_2010_final.docx
  • %HOMEPATH%\desktop\dialmap.bmp
  • %HOMEPATH%\desktop\delete.avi
  • %HOMEPATH%\desktop\contoso_1.cer
  • %HOMEPATH%\desktop\contosoroot_1.cer
  • %HOMEPATH%\desktop\contoso.cer
  • %HOMEPATH%\desktop\contosoroot.cer
  • %HOMEPATH%\desktop\coffee.bmp
  • %HOMEPATH%\desktop\archer.avi
  • %HOMEPATH%\desktop\000814251_video_01.avi
  • %HOMEPATH%\desktop\tree_view.htm
  • %HOMEPATH%\desktop\thlps_keeper_mayer_1965.docx
Modifies file system
Creates the following files
  • %APPDATA%\srlazyzpebrujiumwlh\szifjqxnbaplglrnpd
  • %HOMEPATH%\videos\how to restore your files.txt
  • %HOMEPATH%\searches\how to restore your files.txt
  • %HOMEPATH%\saved games\how to restore your files.txt
  • %HOMEPATH%\pictures\how to restore your files.txt
  • %HOMEPATH%\onedrive\how to restore your files.txt
  • %HOMEPATH%\music\how to restore your files.txt
  • %HOMEPATH%\links\how to restore your files.txt
  • %HOMEPATH%\favorites\how to restore your files.txt
  • %HOMEPATH%\downloads\how to restore your files.txt
  • %HOMEPATH%\documents\how to restore your files.txt
  • %HOMEPATH%\desktop\how to restore your files.txt
  • %HOMEPATH%\favorites\links\how to restore your files.txt
  • %HOMEPATH%\contacts\how to restore your files.txt
  • %HOMEPATH%\.oracle_jre_usage\how to restore your files.txt
  • %HOMEPATH%\how to restore your files.txt
  • C:\users\how to restore your files.txt
  • C:\recovery\how to restore your files.txt
  • <Current directory>\how to restore your files.txt
  • C:\kms\how to restore your files.txt
  • C:\how to restore your files.txt
  • D:\how to restore your files.txt
  • %TEMP%\paublpsavm
  • %TEMP%\mfc140u.exe
  • %TEMP%\79d2a065
  • %HOMEPATH%\3d objects\how to restore your files.txt
  • %HOMEPATH%\pictures\camera roll\how to restore your files.txt
Modifies the following files
  • D:\install.log
  • %HOMEPATH%\3d objects\desktop.ini
  • %HOMEPATH%\.oracle_jre_usage\90737d32e3aba6b.timestamp
  • <Drive name for removable media>:\indogerman2010.pptx
  • <Drive name for removable media>:\stoc13_ml_quoc_le.pptx
  • <Drive name for removable media>:\middaugh_keynote.pptx
  • <Drive name for removable media>:\waterresourcesag.pptx
  • <Drive name for removable media>:\sdksampleprivdeveloper.cer
  • <Drive name for removable media>:\testcertificate.cer
  • <Drive name for removable media>:\contoso.cer
  • <Drive name for removable media>:\sdksampleunprivdeveloper.cer
  • <Drive name for removable media>:\contoso_1.cer
  • %HOMEPATH%\contacts\desktop.ini
  • <Drive name for removable media>:\sdkfailsafeemulator.cer
  • <Drive name for removable media>:\toolbar.bmp
  • <Drive name for removable media>:\dialmap.bmp
  • <Drive name for removable media>:\dial.bmp
  • <Drive name for removable media>:\dashborder_120.bmp
  • <Drive name for removable media>:\default.bmp
  • <Drive name for removable media>:\join.avi
  • <Drive name for removable media>:\split.avi
  • <Drive name for removable media>:\000814251_video_01.avi
  • <Drive name for removable media>:\delete.avi
  • C:\kms\kms_vl_all_aio_debug.log
  • C:\users\desktop.ini
  • <Drive name for removable media>:\dashborder_192.bmp
  • %HOMEPATH%\desktop\desktop.ini
Modifies multiple files.
Substitutes the following files
  • %ALLUSERSPROFILE%\Microsoft\Search\Data\Applications\Windows\edb.jtx
  • %ALLUSERSPROFILE%\Microsoft\Search\Data\Applications\Windows\edbtmp.jtx
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Network activity
Connects to
  • 'do#.org':443
  • '<LOCALNET>.117.160':445
  • '<LOCALNET>.117.161':445
  • '<LOCALNET>.117.162':445
  • '<LOCALNET>.117.163':445
  • '<LOCALNET>.117.164':445
  • '<LOCALNET>.117.165':445
  • '<LOCALNET>.117.166':445
  • '<LOCALNET>.117.167':445
  • '<LOCALNET>.117.168':445
  • '<LOCALNET>.117.169':445
  • '<LOCALNET>.117.170':445
  • '<LOCALNET>.117.171':445
  • '<LOCALNET>.117.172':445
  • '<LOCALNET>.117.174':445
  • '<LOCALNET>.117.188':445
  • '<LOCALNET>.117.175':445
  • '<LOCALNET>.117.176':445
  • '<LOCALNET>.117.177':445
  • '<LOCALNET>.117.178':445
  • '<LOCALNET>.117.179':445
  • '<LOCALNET>.117.180':445
  • '<LOCALNET>.117.181':445
  • '<LOCALNET>.117.182':445
  • '<LOCALNET>.117.183':445
  • '<LOCALNET>.117.184':445
  • '<LOCALNET>.117.185':445
  • '<LOCALNET>.117.186':445
  • '<LOCALNET>.117.187':445
  • '<LOCALNET>.117.159':445
  • '<LOCALNET>.117.173':445
  • '<LOCALNET>.117.158':445
  • '<LOCALNET>.117.141':445
  • '<LOCALNET>.117.128':445
  • '<LOCALNET>.117.129':445
  • '<LOCALNET>.117.130':445
  • '<LOCALNET>.117.131':445
  • '<LOCALNET>.117.132':445
  • '<LOCALNET>.117.133':445
  • '<LOCALNET>.117.134':445
  • '<LOCALNET>.117.135':445
  • '<LOCALNET>.117.136':445
  • '<LOCALNET>.117.137':445
  • '<LOCALNET>.117.138':445
  • '<LOCALNET>.117.139':445
  • '<LOCALNET>.117.140':445
  • '<LOCALNET>.117.142':445
  • '<LOCALNET>.117.156':445
  • '<LOCALNET>.117.143':445
  • '<LOCALNET>.117.144':445
  • '<LOCALNET>.117.145':445
  • '<LOCALNET>.117.146':445
  • '<LOCALNET>.117.147':445
  • '<LOCALNET>.117.148':445
  • '<LOCALNET>.117.149':445
  • '<LOCALNET>.117.150':445
  • '<LOCALNET>.117.151':445
  • '<LOCALNET>.117.152':445
  • '<LOCALNET>.117.153':445
  • '<LOCALNET>.117.154':445
  • '<LOCALNET>.117.155':445
  • '<LOCALNET>.117.157':445
  • '<LOCALNET>.117.189':445
  • '<LOCALNET>.117.190':445
  • '<LOCALNET>.117.191':445
  • '<LOCALNET>.117.226':445
  • '<LOCALNET>.117.227':445
  • '<LOCALNET>.117.228':445
  • '<LOCALNET>.117.229':445
  • '<LOCALNET>.117.230':445
  • '<LOCALNET>.117.231':445
  • '<LOCALNET>.117.232':445
  • '<LOCALNET>.117.233':445
  • '<LOCALNET>.117.234':445
  • '<LOCALNET>.117.235':445
  • '<LOCALNET>.117.236':445
  • '<LOCALNET>.117.237':445
  • '<LOCALNET>.117.224':445
  • '<LOCALNET>.117.225':445
  • '<LOCALNET>.117.238':445
  • '<LOCALNET>.117.241':445
  • '<LOCALNET>.117.242':445
  • '<LOCALNET>.117.243':445
  • '<LOCALNET>.117.244':445
  • '<LOCALNET>.117.245':445
  • '<LOCALNET>.117.246':445
  • '<LOCALNET>.117.247':445
  • '<LOCALNET>.117.248':445
  • '<LOCALNET>.117.249':445
  • '<LOCALNET>.117.250':445
  • '<LOCALNET>.117.251':445
  • '<LOCALNET>.117.252':445
  • '<LOCALNET>.117.239':445
  • '<LOCALNET>.117.240':445
  • '<LOCALNET>.117.223':445
  • '<LOCALNET>.117.222':445
  • '<LOCALNET>.117.221':445
  • '<LOCALNET>.117.193':445
  • '<LOCALNET>.117.194':445
  • '<LOCALNET>.117.195':445
  • '<LOCALNET>.117.196':445
  • '<LOCALNET>.117.197':445
  • '<LOCALNET>.117.198':445
  • '<LOCALNET>.117.199':445
  • '<LOCALNET>.117.200':445
  • '<LOCALNET>.117.201':445
  • '<LOCALNET>.117.202':445
  • '<LOCALNET>.117.203':445
  • '<LOCALNET>.117.204':445
  • '<LOCALNET>.117.205':445
  • '<LOCALNET>.117.192':445
  • '<LOCALNET>.117.206':445
  • '<LOCALNET>.117.208':445
  • '<LOCALNET>.117.209':445
  • '<LOCALNET>.117.210':445
  • '<LOCALNET>.117.211':445
  • '<LOCALNET>.117.212':445
  • '<LOCALNET>.117.213':445
  • '<LOCALNET>.117.214':445
  • '<LOCALNET>.117.215':445
  • '<LOCALNET>.117.216':445
  • '<LOCALNET>.117.217':445
  • '<LOCALNET>.117.218':445
  • '<LOCALNET>.117.219':445
  • '<LOCALNET>.117.220':445
  • '<LOCALNET>.117.207':445
  • '<LOCALNET>.117.127':445
  • '<LOCALNET>.117.253':445
  • '<LOCALNET>.117.126':445
  • '<LOCALNET>.117.124':445
  • '<LOCALNET>.117.31':445
  • '<LOCALNET>.117.32':445
  • '<LOCALNET>.117.33':445
  • '<LOCALNET>.117.34':445
  • '<LOCALNET>.117.35':445
  • '<LOCALNET>.117.36':445
  • '<LOCALNET>.117.37':445
  • '<LOCALNET>.117.38':445
  • '<LOCALNET>.117.39':445
  • '<LOCALNET>.117.40':445
  • '<LOCALNET>.117.41':445
  • '<LOCALNET>.117.42':445
  • '<LOCALNET>.117.43':445
  • '<LOCALNET>.117.45':445
  • '<LOCALNET>.117.59':445
  • '<LOCALNET>.117.46':445
  • '<LOCALNET>.117.47':445
  • '<LOCALNET>.117.48':445
  • '<LOCALNET>.117.49':445
  • '<LOCALNET>.117.50':445
  • '<LOCALNET>.117.51':445
  • '<LOCALNET>.117.52':445
  • '<LOCALNET>.117.53':445
  • '<LOCALNET>.117.54':445
  • '<LOCALNET>.117.55':445
  • '<LOCALNET>.117.56':445
  • '<LOCALNET>.117.57':445
  • '<LOCALNET>.117.58':445
  • '<LOCALNET>.117.30':445
  • '<LOCALNET>.117.44':445
  • '<LOCALNET>.117.29':445
  • '<LOCALNET>.117.12':445
  • 'i.##b.co':443
  • '<LOCALNET>.117.0':445
  • '<LOCALNET>.117.1':445
  • '<LOCALNET>.117.2':445
  • '<LOCALNET>.117.3':445
  • '<LOCALNET>.117.4':445
  • '<LOCALNET>.117.5':445
  • '<LOCALNET>.117.6':445
  • '<LOCALNET>.117.7':445
  • '<LOCALNET>.117.8':445
  • '<LOCALNET>.117.9':445
  • '<LOCALNET>.117.10':445
  • '<LOCALNET>.117.11':445
  • '<LOCALNET>.117.13':445
  • '<LOCALNET>.117.27':445
  • '<LOCALNET>.117.14':445
  • '<LOCALNET>.117.15':445
  • '<LOCALNET>.117.16':445
  • '<LOCALNET>.117.17':445
  • '<LOCALNET>.117.18':445
  • '<LOCALNET>.117.19':445
  • '<LOCALNET>.117.20':445
  • '<LOCALNET>.117.21':445
  • '<LOCALNET>.117.22':445
  • '<LOCALNET>.117.23':445
  • '<LOCALNET>.117.24':445
  • '<LOCALNET>.117.25':445
  • '<LOCALNET>.117.26':445
  • '<LOCALNET>.117.28':445
  • '<LOCALNET>.117.60':445
  • '<LOCALNET>.117.61':445
  • '<LOCALNET>.117.62':445
  • '<LOCALNET>.117.97':445
  • '<LOCALNET>.117.98':445
  • '<LOCALNET>.117.99':445
  • '<LOCALNET>.117.100':445
  • '<LOCALNET>.117.101':445
  • '<LOCALNET>.117.102':445
  • '<LOCALNET>.117.103':445
  • '<LOCALNET>.117.104':445
  • '<LOCALNET>.117.105':445
  • '<LOCALNET>.117.106':445
  • '<LOCALNET>.117.107':445
  • '<LOCALNET>.117.108':445
  • '<LOCALNET>.117.95':445
  • '<LOCALNET>.117.96':445
  • '<LOCALNET>.117.109':445
  • '<LOCALNET>.117.112':445
  • '<LOCALNET>.117.113':445
  • '<LOCALNET>.117.114':445
  • '<LOCALNET>.117.115':445
  • '<LOCALNET>.117.116':445
  • '<LOCALNET>.117.117':445
  • '<LOCALNET>.117.118':445
  • '<LOCALNET>.117.119':445
  • '<LOCALNET>.117.120':445
  • '<LOCALNET>.117.121':445
  • '<LOCALNET>.117.122':445
  • '<LOCALNET>.117.123':445
  • '<LOCALNET>.117.110':445
  • '<LOCALNET>.117.111':445
  • '<LOCALNET>.117.94':445
  • '<LOCALNET>.117.93':445
  • '<LOCALNET>.117.92':445
  • '<LOCALNET>.117.64':445
  • '<LOCALNET>.117.65':445
  • '<LOCALNET>.117.66':445
  • '<LOCALNET>.117.67':445
  • '<LOCALNET>.117.68':445
  • '<LOCALNET>.117.69':445
  • '<LOCALNET>.117.70':445
  • '<LOCALNET>.117.71':445
  • '<LOCALNET>.117.72':445
  • '<LOCALNET>.117.73':445
  • '<LOCALNET>.117.74':445
  • '<LOCALNET>.117.75':445
  • '<LOCALNET>.117.76':445
  • '<LOCALNET>.117.63':445
  • '<LOCALNET>.117.77':445
  • '<LOCALNET>.117.79':445
  • '<LOCALNET>.117.80':445
  • '<LOCALNET>.117.81':445
  • '<LOCALNET>.117.82':445
  • '<LOCALNET>.117.83':445
  • '<LOCALNET>.117.84':445
  • '<LOCALNET>.117.85':445
  • '<LOCALNET>.117.86':445
  • '<LOCALNET>.117.87':445
  • '<LOCALNET>.117.88':445
  • '<LOCALNET>.117.89':445
  • '<LOCALNET>.117.90':445
  • '<LOCALNET>.117.91':445
  • '<LOCALNET>.117.78':445
  • '<LOCALNET>.117.125':445
  • '<LOCALNET>.117.254':445
TCP
HTTP GET requests
  • http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/CABD2A79A1076A31F21D253635CB039D4329A5E8.crt?bb##############
Other
  • 'do#.org':443
  • 'i.##b.co':443
UDP
  • DNS ASK do#.org
  • DNS ASK i.##b.co
Miscellaneous
Creates and executes the following
  • '%TEMP%\mfc140u.exe'
Executes the following
  • '%WINDIR%\syswow64\cmd.exe'
  • '<SYSTEM32>\searchprotocolhost.exe' Global\UsGthrFltPipeMssGthrPipe3_ Global\UsGthrCtrlFltPipeMssGthrPipe3 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "%...
  • '<SYSTEM32>\searchfilterhost.exe' 0 764 772 780 8192 776
  • '<SYSTEM32>\svchost.exe' -k wsappx -p

Recommandations pour le traitement

  1. Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space.
  2. Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.
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Veuillez lancer le scan complet de toutes les partitions du disque à l'aide de Dr.Web Antivirus pour Linux.

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  1. Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android. Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
  2. Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
    • démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
    • puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
    • Débranchez votre appareil et rebranchez-le.

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