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Profil

Trojan.Encoder.29660

Added to the Dr.Web virus database: 2019-09-30

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\] 'Client Server Runtime Subsystem' = '"%PROGRAMDATA%\Windows\csrss.exe"'
Creates the following files on removable media
  • <Drive name for removable media>:\readme1.txt
  • <Drive name for removable media>:\readme2.txt
  • <Drive name for removable media>:\readme3.txt
  • <Drive name for removable media>:\readme4.txt
  • <Drive name for removable media>:\readme5.txt
  • <Drive name for removable media>:\readme6.txt
  • <Drive name for removable media>:\readme7.txt
  • <Drive name for removable media>:\readme8.txt
  • <Drive name for removable media>:\readme9.txt
  • <Drive name for removable media>:\readme10.txt
Malicious functions
Creates and executes the following
  • '%TEMP%\rad55511.tmp'
Injects code into
the following user processes:
  • rad55511.tmp
Reads files which store third party applications passwords
  • %HOMEPATH%\desktop\tree_view.htm
  • %HOMEPATH%\desktop\advice_process.htm
  • %HOMEPATH%\desktop\alert.html
  • %HOMEPATH%\desktop\applicantform_en.doc
  • %HOMEPATH%\desktop\browse.html
  • %HOMEPATH%\desktop\contoso.cer
  • %HOMEPATH%\desktop\dashborder_192.bmp
  • %HOMEPATH%\desktop\dial.bmp
  • %HOMEPATH%\desktop\garden.htm
  • %HOMEPATH%\desktop\hadac_newsletter_july_2010_final.docx
  • %HOMEPATH%\desktop\join.avi
  • %HOMEPATH%\desktop\lisp_success.doc
  • %HOMEPATH%\desktop\pmd.cer
  • %HOMEPATH%\desktop\sdkfailsafeemulator.cer
  • %HOMEPATH%\desktop\split.avi
  • %HOMEPATH%\desktop\testcertificate.cer
  • %HOMEPATH%\desktop\000814251_video_01.avi
  • %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
  • %TEMP%\rad55511.tmp
  • C:\readme8.txt
  • C:\readme7.txt
  • C:\readme6.txt
  • C:\readme5.txt
  • C:\readme4.txt
  • C:\readme3.txt
  • C:\readme2.txt
  • C:\readme1.txt
  • D:\readme10.txt
  • D:\readme9.txt
  • D:\readme8.txt
  • C:\readme9.txt
  • D:\readme7.txt
  • D:\readme5.txt
  • D:\readme4.txt
  • D:\readme3.txt
  • D:\readme2.txt
  • D:\readme1.txt
  • %TEMP%\6893a5~1\cached-microdescs.new
  • %TEMP%\6893a5~1\cached-microdesc-consensus.tmp
  • %TEMP%\6893a5~1\cached-certs.tmp
  • %TEMP%\6893a5~1\unverified-microdesc-consensus.tmp
  • %TEMP%\6893a5~1\state.tmp
  • %PROGRAMDATA%\windows\csrss.exe
  • D:\readme6.txt
  • C:\readme10.txt
Deletes the following files
  • %TEMP%\6893a5~1\unverified-microdesc-consensus
Moves the following files
  • from %TEMP%\6893a5~1\state.tmp to %TEMP%\6893a5~1\state
  • from %APPDATA%\opera software\opera stable\storage\ext\sync-login\def\databases\databases.db to %APPDATA%\opera software\opera stable\storage\ext\sync-login\def\databases\ymvvhxjsscr20+8slyqcpiy6mgq-niak+ooz8f0klum=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\extension state\000007.log to %APPDATA%\opera software\opera stable\extension state\4vkdzbr2p+gd3muvkr5shr3jolk1mixg3v-pvoqp+gy=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\dictionaries\dictionaries.xml to %APPDATA%\opera software\opera stable\dictionaries\to8evwhg3cefassjm5f8aui56ttjoxsk+6kx6r0r71i=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\databases\databases.db to %APPDATA%\opera software\opera stable\databases\5ad-fd8y3ib-taxjsadxjba-vvbinxx8va0lcn4yfcm=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\thumbnails.db to %APPDATA%\opera software\opera stable\cja8kub9cqrvz8zopfqgynh0+szrv5cmnewatxwoava=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\siteprefs.json to %APPDATA%\opera software\opera stable\3dnaluev0to1le8t9oqkrgopqejg-7+rtms6yht1td8=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\session.db to %APPDATA%\opera software\opera stable\hif0qsyxv+tm2ep9vpkokwijkq2hgldi6jul98p3dfq=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\opera_shutdown_ms.txt to %APPDATA%\opera software\opera stable\epvbt-prjekxini4vtk8ym8nxob9qsifm0gy3fhk2xxae3pj6ylpx4w2yht4bnmw.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\opera_autoupdate.log to %APPDATA%\opera software\opera stable\mqw47eletmzdjqo3d7g8y6t1q5eixtvstjcivuk-mgpridcnljgzj00aqnpzukla.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\favorites.db to %APPDATA%\opera software\opera stable\lx-uafgtlixiiez2t6diuzalbq9pmfwkuaiy-gaqf3k=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\update_prefs.json to %APPDATA%\opera software\opera stable\zh-goovovmswxy1bap4kpxiggjaud3l4u-o2ar9gc3donrti8rtj8xj2h48mntfk.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\bookmarks.bak to %APPDATA%\opera software\opera stable\fqsih6wud9g6mhxyfa+wz2jtibjpwm2efzdczgx+558=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\xulstore.json to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\xctnhgta+rhiqq+m1qsy24rgiytwpatoia5e16dwzzw=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mra\update\ver.txt to %APPDATA%\mra\update\xbykvnfdetaljo001iei5w==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mra\installerlang.xml to %APPDATA%\mra\tnro0ffleqotoudu95k1apo0tszsnh9q0nlkolhmdamiv+voy47d1myam-z1xh+f.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\sessionstore-backups\recovery.js to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\sessionstore-backups\riqbxifbi8v8sdsq7bunhkyhkcuunfolgdgwnkuvwl4=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\sessionstore-backups\previous.js to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\sessionstore-backups\ldiujws8lwjls-8w6tvfikb372u2tcxrzlzsk4palw0=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\webapps\webapps.json to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\webapps\2whhkgo9rt5ycymsj7sotp89f7+qjholmrss8ofx6ju=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\datareporting\state.json to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\datareporting\ujfwqrmpm8-rnyol86bxomz4n8zjg4fw-zmjqfx0nds=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\secmod.db to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\uuwbmu605b8v2srzk6ctosc93j3z9aw+hb0au8o6y4s=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\search.json to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\pw0iowemwfbkux-b1ykbkmxvwgb8sqjr6eqaqb-f-nc=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\revocations.txt to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\nexig6vxpdly1iqfhdmgqwckxxntaho+fxbzovnwytw=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\prefs.js to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\ia3d2qivrhtnocr0cjo3rw==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\pluginreg.dat to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\8a022x1bzvqzndfv7ebwpqp3pikvx+yyhiwk9e8a2ye=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\telegram desktop\log.txt to %APPDATA%\telegram desktop\4xgkxamafxph1zwi6i8wca==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\opera software\opera stable\browser.js to %APPDATA%\opera software\opera stable\nm-kvcjx+n73jhuit8xhlvix7azywnhtz9xy8v4btui=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\telegram desktop\unins000.dat to %APPDATA%\telegram desktop\nmax6trtkldo9y7iq3ogivqae+zqmyze7udxeefv28i=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\session.json to %APPDATA%\thunderbird\profiles\wjj9aet2.default\ppufvbpesz3zqknlbiwbwvwowbnm9ma6vr9g8oimx6o=.a0a868d5c2f92eae6170.crypted000007
  • from %TEMP%\6893a5~1\unverified-microdesc-consensus.tmp to %TEMP%\6893a5~1\unverified-microdesc-consensus
  • from %TEMP%\6893a5~1\cached-certs.tmp to %TEMP%\6893a5~1\cached-certs
  • from %TEMP%\6893a5~1\cached-microdesc-consensus.tmp to %TEMP%\6893a5~1\cached-microdesc-consensus
  • from %APPDATA%\winamp\plugins\milkdrop2\milk2_msg.ini to %APPDATA%\winamp\plugins\milkdrop2\virwfxpghwlqx4eolyz9sdqz92hme7i4bmfq-gub+he=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\winamp\plugins\milkdrop2\milk2_img.ini to %APPDATA%\winamp\plugins\milkdrop2\vjvjtmp-swmygt7v6bmxccaoarrb19c-bwyynftvifc=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\winamp\winamp.ini to %APPDATA%\winamp\zr2xdi577k2qznxxzi7foawlibhl8erxqoxx4npvvh8=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\winamp\links.xml to %APPDATA%\winamp\mj+6ktubz1wdgm4bsfrctmhy-61c0xkqb0icxhznjjc=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\winamp\demo.mp3 to %APPDATA%\winamp\yhd0clvialjakqh7ttq1xa==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\virtualfolders.dat to %APPDATA%\thunderbird\profiles\wjj9aet2.default\eqafcg9-83sgctltpdbp7yrrh5uqemq5k7k-3gie6c7a--ntlg4b9boew0re7scv.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\times.json to %APPDATA%\thunderbird\profiles\wjj9aet2.default\xzwc+l5w+ipdltthiiirh1sbzubgiozgij6jdg2gpfi=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\sessioncheckpoints.json to %APPDATA%\thunderbird\profiles\wjj9aet2.default\aa5ve4xwygqltafkzoajbcnlg2vn4yeu9hg-5ptfwmmlydpyq1v683jecn7fddqy.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\secmod.db to %APPDATA%\thunderbird\profiles\wjj9aet2.default\whryi-vuxdezafktxita+i+bogync-il+a8uyso2xkc=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\telegram desktop\tdata\shortcuts-default.json to %APPDATA%\telegram desktop\tdata\ozb1p7gtgbkubbtgvjpsroiklrtftz-v-tpydzpuw1vzikclexgl0qu2odl3j9gy.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\prefs.js to %APPDATA%\thunderbird\profiles\wjj9aet2.default\hi+baqynq72rmki99p6ncq==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\mailviews.dat to %APPDATA%\thunderbird\profiles\wjj9aet2.default\dw1lmbr8cns40ha+q61cqdd30z8pwj3m5e6zq+xqmz0=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\localstore.rdf to %APPDATA%\thunderbird\profiles\wjj9aet2.default\q8xldixnyjjdt7-n-vsavlsbnptigf5c-jk8lyg1cdq=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\key3.db to %APPDATA%\thunderbird\profiles\wjj9aet2.default\kqhddzzyidwsobyujqwxua==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\foldertree.json to %APPDATA%\thunderbird\profiles\wjj9aet2.default\zfw6cp88xsf+esyl4kysxyzxo+jdyhn2bsl10fdknuw=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\extensions.json to %APPDATA%\thunderbird\profiles\wjj9aet2.default\unjxyydwxhkbmtai4jusobrhu6lpf88vdq1jdmeako0=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\extensions.ini to %APPDATA%\thunderbird\profiles\wjj9aet2.default\yoo9psxzsonpmiaatbzl9xswzzavfgdq1qwta3pkuua=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\compatibility.ini to %APPDATA%\thunderbird\profiles\wjj9aet2.default\khk+zyfybbsxjrpjjydhgr-ki0vwl4waozl80moec+lqrjdjhd+miceuai4lvfcc.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\cert8.db to %APPDATA%\thunderbird\profiles\wjj9aet2.default\wep90rscute2b-kcsyjl0w==.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles\wjj9aet2.default\blocklist.xml to %APPDATA%\thunderbird\profiles\wjj9aet2.default\dh0cytlg1oralgz0-wio6a52p4kxwkys1jnikldi4rk=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\thunderbird\profiles.ini to %APPDATA%\thunderbird\lpshvp7jg6kfx5l2+ut0wqx1m41dtlauo5vmth-czmc=.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\telegram desktop\tdata\shortcuts-custom.json to %APPDATA%\telegram desktop\tdata\5dkcwdbvyozt4qee3saxujgglhygbdstgjkgg6swo08chln2+wvaddbewuoi4rb4.a0a868d5c2f92eae6170.crypted000007
  • from %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\mimetypes.rdf to %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\y2uudyp8eg+ekmnbmlsudi-izclxdil1wsxlnhmhuue=.a0a868d5c2f92eae6170.crypted000007
Deletes itself.
Modifies user data files (Trojan.Encoder).
Network activity
TCP
HTTP GET requests
  • http://sa###dninth.com/templates/beez/html/com_contact/category/2c.jpg
  • http://ip#####.#hatismyipaddress.com/
  • http://a4#####2xzclh6fd.onion/reg.php?i=##################################
UDP
  • DNS ASK sa###dninth.com
  • DNS ASK ip#####.#hatismyipaddress.com
Miscellaneous
Creates and executes the following
  • '<SYSTEM32>\cmd.exe' /c %TEMP%\rad55511.tmp' (with hidden window)
  • '<SYSTEM32>\vssadmin.exe' List Shadows' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' ' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' /c %TEMP%\rad55511.tmp
  • '<SYSTEM32>\vssadmin.exe' List Shadows
  • '<SYSTEM32>\vssvc.exe'
  • '<SYSTEM32>\svchost.exe' -k swprv
  • '%WINDIR%\syswow64\cmd.exe'
  • '%WINDIR%\syswow64\chcp.com'

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.

Veuillez lancer le scan complet du système à l'aide de Dr.Web Antivirus pour Mac OS.

Veuillez lancer le scan complet de toutes les partitions du disque à l'aide de Dr.Web Antivirus pour Linux.

  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.

En savoir plus sur Dr.Web pour Android